[ISSUE 5541] Fix H2 in-memory database table missing issues (#6008)

* add ;DB_CLOSE_DELAY=-1 to the database URL

* Update CHANGES log

* add ;DB_CLOSE_DELAY=-1 to the H2 database URL of application.yml
Co-authored-by: Nzhanglei36 <zhanglei36@asiainfo.com>

CHANGES.md

@@ -24,6 +24,7 @@ Release Notes.
 * Fix potential gRPC connection leak(not closed) for the channels among OAP instances.
 * Filter OAP instances(unassigned in booting stage) of the empty IP in KubernetesCoordinator.
 * Add component ID for Python aiohttp plugin requester and server.
+* Fix H2 in-memory database table missing issues
 
 #### UI
 * Fix un-removed tags in trace query.

oap-server/server-bootstrap/src/main/resources/application.yml

@@ -154,7 +154,7 @@ storage:
     advanced: ${SW_STORAGE_ES_ADVANCED:""}
   h2:
     driver: ${SW_STORAGE_H2_DRIVER:org.h2.jdbcx.JdbcDataSource}
-    url: ${SW_STORAGE_H2_URL:jdbc:h2:mem:skywalking-oap-db}
+    url: ${SW_STORAGE_H2_URL:jdbc:h2:mem:skywalking-oap-db;DB_CLOSE_DELAY=-1}
     user: ${SW_STORAGE_H2_USER:sa}
     metadataQueryMaxSize: ${SW_STORAGE_H2_QUERY_MAX_SIZE:5000}
     maxSizeOfArrayColumn: ${SW_STORAGE_MAX_SIZE_OF_ARRAY_COLUMN:20}

oap-server/server-storage-plugin/storage-jdbc-hikaricp-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/jdbc/h2/H2StorageConfig.java

@@ -26,7 +26,7 @@ import org.apache.skywalking.oap.server.library.module.ModuleConfig;
 @Getter
 public class H2StorageConfig extends ModuleConfig {
     private String driver = "org.h2.jdbcx.JdbcDataSource";
-    private String url = "jdbc:h2:mem:skywalking-oap-db";
+    private String url = "jdbc:h2:mem:skywalking-oap-db;DB_CLOSE_DELAY=-1";
     private String user = "";
     private String password = "";
     private int metadataQueryMaxSize = 5000;