4.0.0 1.8 1.8 com.taosdata.demo connectionPools 1.0-SNAPSHOT com.taosdata.jdbc taos-jdbcdriver 3.0.0 com.alibaba druid 1.1.17 com.zaxxer HikariCP 3.2.0 commons-pool commons-pool 1.5.4 commons-dbcp commons-dbcp 1.4 com.mchange c3p0 0.9.5.4 org.apache.logging.log4j log4j-core 2.17.1 com.cloudhopper.proxool proxool 0.9.1 org.apache.maven.plugins maven-assembly-plugin 3.3.0 ConnectionPoolDemo ConnectionPoolDemo com.taosdata.example.ConnectionPoolDemo jar-with-dependencies package single ProxoolDemo ProxoolDemo com.taosdata.example.ProxoolDemo jar-with-dependencies package single