2026-03-23 21:26:52.646 [main] INFO c.x.job.admin.XxlJobAdminApplication - Starting XxlJobAdminApplication using Java 21 with PID 7 (/app.jar started by root in /)
2026-03-23 21:26:52.657 [main] INFO c.x.job.admin.XxlJobAdminApplication - No active profile set, falling back to 1 default profile: "default"
2026-03-23 21:26:55.680 [main] INFO o.s.boot.tomcat.TomcatWebServer - Tomcat initialized with port 9090 (http)
2026-03-23 21:26:55.698 [main] INFO o.a.coyote.http11.Http11NioProtocol - Initializing ProtocolHandler ["http-nio-9090"]
2026-03-23 21:26:55.704 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
2026-03-23 21:27:00.181 [main] INFO o.s.b.a.e.web.EndpointLinksResolver - Exposing 1 endpoint beneath base path '/actuator'
2026-03-23 21:27:00.729 [main] INFO o.a.coyote.http11.Http11NioProtocol - Starting ProtocolHandler ["http-nio-9090"]
2026-03-23 21:27:00.973 [main] INFO o.a.c.c.C.[.[.[/xxl-job-admin] - Initializing Spring DispatcherServlet 'dispatcherServlet'
2026-03-23 21:27:00.974 [main] INFO o.s.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
2026-03-23 21:27:00.979 [main] INFO o.s.web.servlet.DispatcherServlet - Completed initialization in 5 ms
2026-03-23 21:27:00.986 [main] INFO o.s.boot.tomcat.TomcatWebServer - Tomcat started on port 9090 (http) with context path '/xxl-job-admin'
2026-03-23 21:27:01.025 [main] INFO c.x.job.admin.XxlJobAdminApplication - Started XxlJobAdminApplication in 9.785 seconds (process running for 13.525)
### The error may exist in class path resource [mapper/XxlJobUserMapper.xml]
### The error may involve com.xxl.job.admin.mapper.XxlJobUserMapper.loadByUserName-Inline
### The error occurred while setting parameters
### SQL: SELECT t.id, t.username, t.password, t.token, t.role, t.permission FROM xxl_job_user AS t WHERE t.username = ?
### Cause: java.sql.SQLSyntaxErrorException: Unknown column 't.token' in 'field list'
; bad SQL grammar []
at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:244)
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:102)
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:95)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:362)
at jdk.proxy2/jdk.proxy2.$Proxy80.selectOne(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:169)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:141)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at jdk.proxy2/jdk.proxy2.$Proxy86.loadByUserName(Unknown Source)
at com.xxl.job.admin.controller.base.LoginController.doLogin(LoginController.java:60)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:258)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:190)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:934)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:853)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:86)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:866)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1003)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:903)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:649)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:874)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:710)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:128)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
at org.springframework.web.filter.ServerHttpObservationFilter.doFilterInternal(ServerHttpObservationFilter.java:110)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:199)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:165)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:77)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:113)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:83)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:72)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:397)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:903)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1778)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:946)
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:480)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:57)
at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.sql.SQLSyntaxErrorException: Unknown column 't.token' in 'field list'
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:112)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:114)
at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:988)
at com.mysql.cj.jdbc.ClientPreparedStatement.execute(ClientPreparedStatement.java:383)
at com.zaxxer.hikari.pool.ProxyPreparedStatement.execute(ProxyPreparedStatement.java:44)
at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.execute(HikariProxyPreparedStatement.java)
at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:65)
at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:80)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:65)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:336)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:158)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:110)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:90)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:154)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:142)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:75)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:348)
... 53 common frames omitted
2026-03-23 21:32:26.340 [HikariCP:housekeeper] WARN com.zaxxer.hikari.pool.PoolBase - HikariCP - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@12ae8f75 (Communications link failure
The last packet successfully received from the server was 111,352 milliseconds ago. The last packet sent successfully to the server was 111,632 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
2026-03-23 21:32:56.827 [xxl-job, admin JobRegistryMonitorHelper-registryMonitorThread] WARN com.zaxxer.hikari.pool.PoolBase - HikariCP - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@458783a5 (Communications link failure
The last packet successfully received from the server was 27,887 milliseconds ago. The last packet sent successfully to the server was 28,694 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
2026-03-23 21:33:01.401 [xxl-job, admin JobRegistryMonitorHelper-registryMonitorThread] WARN com.zaxxer.hikari.pool.PoolBase - HikariCP - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@cb88eba (Communications link failure
The last packet successfully received from the server was 9,796 milliseconds ago. The last packet sent successfully to the server was 14,998 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
2026-03-23 21:33:03.676 [xxl-job, admin JobFailMonitorHelper] WARN com.zaxxer.hikari.pool.PoolBase - HikariCP - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@67503f46 (Communications link failure
The last packet successfully received from the server was 70,357 milliseconds ago. The last packet sent successfully to the server was 71,063 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
2026-03-23 21:33:05.665 [xxl-job, admin JobRegistryMonitorHelper-registryMonitorThread] WARN com.zaxxer.hikari.pool.PoolBase - HikariCP - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3cf455ae (Communications link failure
The last packet successfully received from the server was 64,654 milliseconds ago. The last packet sent successfully to the server was 65,247 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
2026-03-23 21:33:10.410 [xxl-job, admin JobFailMonitorHelper] WARN com.zaxxer.hikari.pool.PoolBase - HikariCP - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5042a9b9 (Communications link failure
The last packet successfully received from the server was 31,132 milliseconds ago. The last packet sent successfully to the server was 32,023 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
2026-03-23 21:33:13.902 [xxl-job, admin JobLosedMonitorHelper] WARN com.zaxxer.hikari.pool.PoolBase - HikariCP - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@25c84a50 (Communications link failure
The last packet successfully received from the server was 60,400 milliseconds ago. The last packet sent successfully to the server was 61,170 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
2026-03-23 21:33:17.178 [HikariCP:housekeeper] WARN com.zaxxer.hikari.pool.PoolBase - HikariCP - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@25424084 (Communications link failure
The last packet successfully received from the server was 115,250 milliseconds ago. The last packet sent successfully to the server was 116,060 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
### The error may exist in class path resource [mapper/XxlJobGroupMapper.xml]
### The error may involve com.xxl.job.admin.mapper.XxlJobGroupMapper.findByAddressType
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:156)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:142)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:348)
... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:84)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:70)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:348)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:89)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:64)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:336)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:158)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:110)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:90)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:154)
... 14 common frames omitted
Caused by: java.sql.SQLTransientConnectionException: HikariCP - Connection is not available, request timed out after 16223ms (total=5, active=4, idle=1, waiting=0)
at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:714)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:184)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:142)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)
... 24 common frames omitted
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
The last packet successfully received from the server was 64,654 milliseconds ago. The last packet sent successfully to the server was 65,247 milliseconds ago.
at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:165)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:55)
at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:837)
at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:685)
at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:173)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:166)
... 29 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet successfully received from the server was 64,654 milliseconds ago. The last packet sent successfully to the server was 65,247 milliseconds ago.
at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:52)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:95)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:140)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:156)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:591)
at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:768)
at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:707)
at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:939)
at com.mysql.cj.NativeSession.execSQL(NativeSession.java:817)
at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:789)
... 32 common frames omitted
Caused by: java.net.SocketTimeoutException: Read timed out
at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:278)
at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:304)
at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:346)
at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:796)
at java.base/java.net.Socket$SocketInputStream.read(Socket.java:1099)
at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:489)
at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:483)
at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1461)
at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1066)
at java.base/java.io.FilterInputStream.read(FilterInputStream.java:119)
at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:55)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:72)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:54)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:36)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:43)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:32)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:45)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:35)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:585)
### The error may exist in class path resource [mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.mapper.XxlJobLogMapper.findFailJobLogIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:156)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:142)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:348)
... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:84)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:70)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:348)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:89)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:64)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:336)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:158)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:110)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:90)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:154)
... 14 common frames omitted
Caused by: java.sql.SQLTransientConnectionException: HikariCP - Connection is not available, request timed out after 10428ms (total=4, active=3, idle=0, waiting=0)
at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:714)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:184)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:142)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)
... 24 common frames omitted
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
The last packet successfully received from the server was 31,132 milliseconds ago. The last packet sent successfully to the server was 32,023 milliseconds ago.
at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:165)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:55)
at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:837)
at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:685)
at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:173)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:166)
... 29 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet successfully received from the server was 31,132 milliseconds ago. The last packet sent successfully to the server was 32,023 milliseconds ago.
at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:52)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:95)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:140)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:156)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:591)
at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:768)
at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:707)
at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:939)
at com.mysql.cj.NativeSession.execSQL(NativeSession.java:817)
at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:789)
... 32 common frames omitted
Caused by: java.net.SocketTimeoutException: Read timed out
at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:278)
at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:304)
at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:346)
at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:796)
at java.base/java.net.Socket$SocketInputStream.read(Socket.java:1099)
at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:489)
at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:483)
at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1461)
at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1066)
at java.base/java.io.FilterInputStream.read(FilterInputStream.java:119)
at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:55)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:72)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:54)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:36)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:43)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:32)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:45)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:35)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:585)
... 37 common frames omitted
2026-03-23 21:34:19.054 [xxl-job, admin JobFailMonitorHelper] WARN com.zaxxer.hikari.pool.PoolBase - HikariCP - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@755c2f6b (Communications link failure
The last packet successfully received from the server was 47,727 milliseconds ago. The last packet sent successfully to the server was 52,553 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
### The error may exist in class path resource [mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.mapper.XxlJobLogMapper.findFailJobLogIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:156)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:142)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:348)
... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:84)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:70)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:348)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:89)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:64)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:336)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:158)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:110)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:90)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:154)
... 14 common frames omitted
Caused by: java.sql.SQLTransientConnectionException: HikariCP - Connection is not available, request timed out after 11544ms (total=1, active=1, idle=0, waiting=1)
at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:714)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:184)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:142)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)
... 24 common frames omitted
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
The last packet successfully received from the server was 47,727 milliseconds ago. The last packet sent successfully to the server was 52,553 milliseconds ago.
at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:165)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:55)
at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:837)
at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:685)
at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:173)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:166)
... 29 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet successfully received from the server was 47,727 milliseconds ago. The last packet sent successfully to the server was 52,553 milliseconds ago.
at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:52)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:95)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:140)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:156)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:591)
at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:768)
at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:707)
at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:939)
at com.mysql.cj.NativeSession.execSQL(NativeSession.java:817)
at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:789)
... 32 common frames omitted
Caused by: java.net.SocketTimeoutException: Read timed out
at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:278)
at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:304)
at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:346)
at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:796)
at java.base/java.net.Socket$SocketInputStream.read(Socket.java:1099)
at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:489)
at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:483)
at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1461)
at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1066)
at java.base/java.io.FilterInputStream.read(FilterInputStream.java:119)
at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:55)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:72)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:54)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:36)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:43)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:32)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:45)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:35)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:585)
### The error may exist in class path resource [mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.mapper.XxlJobLogMapper.findLostJobIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:156)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:142)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:348)
... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:84)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:70)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:348)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:89)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:64)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:336)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:158)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:110)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:90)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:154)
... 14 common frames omitted
Caused by: java.sql.SQLTransientConnectionException: HikariCP - Connection is not available, request timed out after 10069ms (total=1, active=1, idle=0, waiting=2)
at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:714)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:184)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:142)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)
... 24 common frames omitted
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
The last packet successfully received from the server was 47,727 milliseconds ago. The last packet sent successfully to the server was 52,553 milliseconds ago.
at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:165)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:55)
at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:837)
at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:685)
at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:173)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:166)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:142)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:70)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:348)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:89)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:64)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:336)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:158)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:110)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:90)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:154)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:142)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:348)
at jdk.proxy2/jdk.proxy2.$Proxy80.selectList(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:209)
at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:141)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at jdk.proxy2/jdk.proxy2.$Proxy83.findFailJobLogIds(Unknown Source)
at com.xxl.job.admin.scheduler.thread.JobFailAlarmMonitorHelper$1.run(JobFailAlarmMonitorHelper.java:41)
... 1 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet successfully received from the server was 47,727 milliseconds ago. The last packet sent successfully to the server was 52,553 milliseconds ago.
at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:52)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:95)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:140)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:156)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:591)
at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:768)
at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:707)
at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:939)
at com.mysql.cj.NativeSession.execSQL(NativeSession.java:817)
at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:789)
... 32 common frames omitted
Caused by: java.net.SocketTimeoutException: Read timed out
at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:278)
at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:304)
at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:346)
at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:796)
at java.base/java.net.Socket$SocketInputStream.read(Socket.java:1099)
at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:489)
at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:483)
at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1461)
at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1066)
at java.base/java.io.FilterInputStream.read(FilterInputStream.java:119)
at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:55)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:72)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:54)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:36)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:43)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:32)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:45)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:35)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:585)
### The error may exist in class path resource [mapper/XxlJobGroupMapper.xml]
### The error may involve com.xxl.job.admin.mapper.XxlJobGroupMapper.findByAddressType
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:156)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:142)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:348)
... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:84)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:70)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:348)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:89)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:64)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:336)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:158)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:110)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:90)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:154)
... 14 common frames omitted
Caused by: java.sql.SQLTransientConnectionException: HikariCP - Connection is not available, request timed out after 10158ms (total=1, active=1, idle=0, waiting=0)
at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:714)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:184)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:142)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)
... 24 common frames omitted
Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:102)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:81)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:55)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:65)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:914)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:416)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:180)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:144)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:373)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:210)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:488)
at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:752)
at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:731)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
... 1 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:52)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:95)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:140)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:156)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:79)
at com.mysql.cj.NativeSession.connect(NativeSession.java:142)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:854)
... 14 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.base/java.net.InetAddress$CachedLookup.get(InetAddress.java:988)
at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1818)
at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1688)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:121)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:53)
### The error may exist in class path resource [mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.mapper.XxlJobLogMapper.findLogReport
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:156)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:142)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:75)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:348)
... 8 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:84)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:70)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:348)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:89)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:64)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:336)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:158)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:110)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:90)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:154)
... 14 common frames omitted
Caused by: java.sql.SQLTransientConnectionException: HikariCP - Connection is not available, request timed out after 10101ms (total=1, active=1, idle=0, waiting=1)
at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:714)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:184)
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:142)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)
... 24 common frames omitted
Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:102)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:81)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:55)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:65)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:914)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:416)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:180)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:144)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:373)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:210)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:488)
at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:752)
at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:731)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
... 1 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:52)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:95)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:140)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:156)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:79)
at com.mysql.cj.NativeSession.connect(NativeSession.java:142)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:854)
... 14 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.base/java.net.InetAddress$CachedLookup.get(InetAddress.java:988)
at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1818)
at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1688)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:121)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:53)
... 16 common frames omitted
2026-03-23 21:40:20.482 [main] INFO c.x.job.admin.XxlJobAdminApplication - Starting XxlJobAdminApplication using Java 21 with PID 7 (/app.jar started by root in /)
2026-03-23 21:40:20.491 [main] INFO c.x.job.admin.XxlJobAdminApplication - No active profile set, falling back to 1 default profile: "default"
2026-03-23 21:40:23.175 [main] INFO o.s.boot.tomcat.TomcatWebServer - Tomcat initialized with port 9090 (http)
2026-03-23 21:40:23.194 [main] INFO o.a.coyote.http11.Http11NioProtocol - Initializing ProtocolHandler ["http-nio-9090"]
2026-03-23 21:40:23.198 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
2026-03-23 21:40:26.256 [main] INFO o.s.b.a.e.web.EndpointLinksResolver - Exposing 1 endpoint beneath base path '/actuator'
2026-03-23 21:40:26.400 [main] INFO o.a.coyote.http11.Http11NioProtocol - Starting ProtocolHandler ["http-nio-9090"]
2026-03-23 21:40:26.445 [main] INFO o.a.c.c.C.[.[.[/xxl-job-admin] - Initializing Spring DispatcherServlet 'dispatcherServlet'
2026-03-23 21:40:26.446 [main] INFO o.s.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
2026-03-23 21:40:26.458 [main] INFO o.s.web.servlet.DispatcherServlet - Completed initialization in 9 ms
2026-03-23 21:40:26.462 [main] INFO o.s.boot.tomcat.TomcatWebServer - Tomcat started on port 9090 (http) with context path '/xxl-job-admin'
2026-03-23 21:40:26.478 [main] INFO c.x.job.admin.XxlJobAdminApplication - Started XxlJobAdminApplication in 6.677 seconds (process running for 13.434)
2026-03-23 21:43:49,247 INFO [main] c.x.job.admin.XxlJobAdminApplication [StartupInfoLogger.java : 55] Starting XxlJobAdminApplication using Java 1.8.0_332 on 0e430ca1b3aa with PID 7 (/app.jar started by root in /)
2026-03-23 21:43:49,260 INFO [main] c.x.job.admin.XxlJobAdminApplication [SpringApplication.java : 631] No active profile set, falling back to 1 default profile: "default"
2026-03-23 21:43:51,505 INFO [main] o.s.b.w.e.tomcat.TomcatWebServer [TomcatWebServer.java : 108] Tomcat initialized with port(s): 9090 (http)
2026-03-23 21:43:51,611 INFO [main] o.a.c.c.C.[.[.[/xxl-job-admin] [DirectJDKLog.java : 173] Initializing Spring embedded WebApplicationContext
2026-03-23 21:43:51,612 INFO [main] o.s.b.w.s.c.ServletWebServerApplicationContext [ServletWebServerApplicationContext.java : 292] Root WebApplicationContext: initialization completed in 1936 ms
2026-03-23 21:43:54,219 INFO [main] o.s.web.servlet.DispatcherServlet [FrameworkServlet.java : 547] Completed initialization in 2 ms
2026-03-23 21:43:54,223 INFO [main] o.s.b.w.e.tomcat.TomcatWebServer [TomcatWebServer.java : 220] Tomcat started on port(s): 9090 (http) with context path '/xxl-job-admin'
2026-03-23 21:43:54,249 INFO [main] c.x.job.admin.XxlJobAdminApplication [StartupInfoLogger.java : 61] Started XxlJobAdminApplication in 6.778 seconds (JVM running for 10.394)
2026-03-23 21:48:17,586 WARN [http-nio-9090-exec-8] o.s.web.servlet.PageNotFound [DispatcherServlet.java : 1282] No mapping for POST /xxl-job-admin/auth/doLogin
2026-03-23 18:23:15,611 INFO [main] c.x.job.admin.XxlJobAdminApplication [StartupInfoLogger.java : 55] Starting XxlJobAdminApplication using Java 1.8.0_312 on a3215fd80f2c with PID 9 (/app.jar started by root in /)
2026-03-23 18:23:15,718 INFO [main] c.x.job.admin.XxlJobAdminApplication [SpringApplication.java : 631] No active profile set, falling back to 1 default profile: "default"
2026-03-23 18:30:55,486 INFO [main] o.s.b.w.e.tomcat.TomcatWebServer [TomcatWebServer.java : 108] Tomcat initialized with port(s): 9090 (http)
2026-03-23 18:30:57,610 INFO [main] o.a.c.c.C.[.[.[/xxl-job-admin] [DirectJDKLog.java : 173] Initializing Spring embedded WebApplicationContext
2026-03-23 18:30:57,616 INFO [main] o.s.b.w.s.c.ServletWebServerApplicationContext [ServletWebServerApplicationContext.java : 292] Root WebApplicationContext: initialization completed in 413701 ms
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findLostJobIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:97)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:439)
at com.sun.proxy.$Proxy71.selectList(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:224)
at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at com.sun.proxy.$Proxy72.findLostJobIds(Unknown Source)
at com.xxl.job.admin.core.thread.JobCompleteHelper$3.run(JobCompleteHelper.java:79)
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findLostJobIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:153)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
... 16 common frames omitted
Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
... 26 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 40 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
... 42 common frames omitted
2026-03-23 18:31:30,730 ERROR [xxl-job, admin JobScheduleHelper#scheduleThread] com.zaxxer.hikari.pool.HikariPool [HikariPool.java : 594] HikariCP - Exception during pool initialization.
java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at com.xxl.job.admin.core.thread.JobScheduleHelper$1.run(JobScheduleHelper.java:69)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 13 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
2026-03-23 18:31:35,146 INFO [main] o.s.web.servlet.DispatcherServlet [FrameworkServlet.java : 547] Completed initialization in 29 ms
2026-03-23 18:31:35,182 INFO [main] o.s.b.w.e.tomcat.TomcatWebServer [TomcatWebServer.java : 220] Tomcat started on port(s): 9090 (http) with context path '/xxl-job-admin'
2026-03-23 18:31:35,618 INFO [main] c.x.job.admin.XxlJobAdminApplication [StartupInfoLogger.java : 61] Started XxlJobAdminApplication in 536.735 seconds (JVM running for 557.967)
2026-03-23 18:31:35,964 ERROR [xxl-job, admin JobRegistryMonitorHelper-registryMonitorThread] com.zaxxer.hikari.pool.HikariPool [HikariPool.java : 594] HikariCP - Exception during pool initialization.
java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
at com.sun.proxy.$Proxy71.selectList(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:224)
at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at com.sun.proxy.$Proxy75.findByAddressType(Unknown Source)
at com.xxl.job.admin.core.thread.JobRegistryHelper$3.run(JobRegistryHelper.java:62)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 40 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobGroupMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobGroupDao.findByAddressType
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:97)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:439)
at com.sun.proxy.$Proxy71.selectList(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:224)
at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at com.sun.proxy.$Proxy75.findByAddressType(Unknown Source)
at com.xxl.job.admin.core.thread.JobRegistryHelper$3.run(JobRegistryHelper.java:62)
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobGroupMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobGroupDao.findByAddressType
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:153)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
... 16 common frames omitted
Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
... 26 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 40 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
... 42 common frames omitted
2026-03-23 18:31:41,175 ERROR [xxl-job, admin JobFailMonitorHelper] com.zaxxer.hikari.pool.HikariPool [HikariPool.java : 594] HikariCP - Exception during pool initialization.
java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
at com.sun.proxy.$Proxy71.selectList(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:224)
at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at com.sun.proxy.$Proxy72.findFailJobLogIds(Unknown Source)
at com.xxl.job.admin.core.thread.JobFailMonitorHelper$1.run(JobFailMonitorHelper.java:41)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 40 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findFailJobLogIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:97)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:439)
at com.sun.proxy.$Proxy71.selectList(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:224)
at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at com.sun.proxy.$Proxy72.findFailJobLogIds(Unknown Source)
at com.xxl.job.admin.core.thread.JobFailMonitorHelper$1.run(JobFailMonitorHelper.java:41)
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findFailJobLogIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:153)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
... 16 common frames omitted
Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
... 26 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 40 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
... 42 common frames omitted
2026-03-23 18:31:46,557 ERROR [xxl-job, admin JobLogReportHelper] com.zaxxer.hikari.pool.HikariPool [HikariPool.java : 594] HikariCP - Exception during pool initialization.
java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
at com.sun.proxy.$Proxy71.selectOne(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:160)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at com.sun.proxy.$Proxy72.findLogReport(Unknown Source)
at com.xxl.job.admin.core.thread.JobLogReportHelper$1.run(JobLogReportHelper.java:71)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 40 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findLogReport
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:97)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:439)
at com.sun.proxy.$Proxy71.selectOne(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:160)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at com.sun.proxy.$Proxy72.findLogReport(Unknown Source)
at com.xxl.job.admin.core.thread.JobLogReportHelper$1.run(JobLogReportHelper.java:71)
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findLogReport
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:153)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
... 8 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
... 16 common frames omitted
Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
... 26 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 40 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
... 42 common frames omitted
2026-03-23 18:31:50,896 ERROR [xxl-job, admin JobScheduleHelper#scheduleThread] com.zaxxer.hikari.pool.HikariPool [HikariPool.java : 594] HikariCP - Exception during pool initialization.
java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at com.xxl.job.admin.core.thread.JobScheduleHelper$1.run(JobScheduleHelper.java:69)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.GeneratedConstructorAccessor39.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 13 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findFailJobLogIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:97)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:439)
at com.sun.proxy.$Proxy71.selectList(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:224)
at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at com.sun.proxy.$Proxy72.findFailJobLogIds(Unknown Source)
at com.xxl.job.admin.core.thread.JobFailMonitorHelper$1.run(JobFailMonitorHelper.java:41)
### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findFailJobLogIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:153)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
... 16 common frames omitted
Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
... 26 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.GeneratedConstructorAccessor39.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 40 common frames omitted
Caused by: java.net.UnknownHostException: mysql: Temporary failure in name resolution
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:929)
at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1324)
at java.net.InetAddress.getAllByName0(InetAddress.java:1277)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
... 42 common frames omitted
2026-03-23 18:32:01,025 ERROR [xxl-job, admin JobLogReportHelper] com.zaxxer.hikari.pool.HikariPool [HikariPool.java : 594] HikariCP - Exception during pool initialization.
java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
at com.sun.proxy.$Proxy71.selectList(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:224)
at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)
at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at com.sun.proxy.$Proxy72.findClearLogIds(Unknown Source)
at com.xxl.job.admin.core.thread.JobLogReportHelper$1.run(JobLogReportHelper.java:112)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.GeneratedConstructorAccessor39.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:838)
... 40 common frames omitted
Caused by: java.net.UnknownHostException: mysql
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
2026-03-23 18:52:22,432 INFO [main] c.x.job.admin.XxlJobAdminApplication [StartupInfoLogger.java : 55] Starting XxlJobAdminApplication using Java 1.8.0_312 on a3215fd80f2c with PID 9 (/app.jar started by root in /)
2026-03-23 18:52:23,348 INFO [main] c.x.job.admin.XxlJobAdminApplication [SpringApplication.java : 631] No active profile set, falling back to 1 default profile: "default"
2026-03-23 18:52:59,560 INFO [main] o.s.b.w.e.tomcat.TomcatWebServer [TomcatWebServer.java : 108] Tomcat initialized with port(s): 9090 (http)
2026-03-23 18:53:00,935 INFO [main] o.a.c.c.C.[.[.[/xxl-job-admin] [DirectJDKLog.java : 173] Initializing Spring embedded WebApplicationContext
2026-03-23 18:53:00,947 INFO [main] o.s.b.w.s.c.ServletWebServerApplicationContext [ServletWebServerApplicationContext.java : 292] Root WebApplicationContext: initialization completed in 31448 ms
