atorg.apache.tomcat.dbcp.dbcp2.PoolableConnection.close(PoolableConnection.java:181)-locked<0xb59>(aorg.apache.tomcat.dbcp.dbcp2.PoolableConnection)atorg.apache.tomcat.dbcp.dbcp2.DelegatingConnection.closeInternal(DelegatingConnection.java:234)atorg.apache.tomcat.dbcp.dbcp2.DelegatingConnection.close(De...
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:672) at org.apache.tomcat.jdbc.pool.ConnectionPool.getConnection(ConnectionPool.java:187) at org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:128) at com.xxxxx.dbmanager.utils.DBManager.getC...
import org.apache.tomcat.jdbc.pool.PoolProperties; public class SimplePOJOExample { public static void main(String[] args) throws Exception { PoolProperties p = new PoolProperties(); p.setUrl("jdbc:mysql://localhost:3306/mysql"); p.setDriverClassName("com.mysql.jdbc.Driver"); p.setUsername...
JDBC - Version 12.2.0.0.0 and later: org.apache.tomcat.jdbc.pool.PoolExhaustedException: Timeout: Pool empty When Trying to Fetch A Connection
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:803) at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:628) at org.apache.tomcat.jdbc.pool.ConnectionPool.getConnection(ConnectionPool.java:187) ...
importjava.sql.Connection;importjava.sql.ResultSet;importjava.sql.Statement;importorg.apache.tomcat.jdbc.pool.DataSource;importorg.apache.tomcat.jdbc.pool.PoolProperties;publicclassSimplePOJOExample{publicstaticvoidmain(String[] args)throwsException{ ...
url="jdbc:mysql://127.0.0.1:3306/mydb" username="root" password="root" maxActive="10" maxIdle="5" maxWait="-1"/> 属性说明: name:数据源的名称。 auth:指定管理Resource的Manager,由两个可选值:Container和Application。 Container表示由容器来创建和管理Resource。
Connection conn=null; DataSource ds=(DataSource)ctx.lookup("java:comp/env/jdbc/mysql"); conn=ds.getConnection(); Statement stmt=conn.createStatement(ResultSet.CONCUR_READ_ONLY,ResultSet.CONCUR_UPDATABLE); ResultSet rs=stmt.executeQuery("select * from testexample"); ...
at org.postgresql.jdbc.PgConnection.isValid(PgConnection.java:1364) ~[postgresql-42.2.1.jar:42.2.1] at com.zaxxer.hikari.pool.PoolBase.isConnectionAlive(PoolBase.java:160) [HikariCP-2.7.6.jar:na] at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:171) [HikariCP-2.7.6.jar:...
警告:Connection has been abandoned PooledConnection[com.mysql.jdbc.JDBC4Connection@5ebeda8]:java.lang.Exceptionat org.apache.tomcat.jdbc.pool.ConnectionPool.getThreadDump(ConnectionPool.java:1023)at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:752)...