java.sql.SQLException: Attempted to use PooledConnection after closed() was called.

Apache's JIRA Issue Tracker | Dave Oxley | 5 years ago
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  1. 0

    Under high load commons-dbcp (or commons-pool) exhibits thread safety issues and begins throwing various exceptions. I don't yet know the cause of the issue but it looks like a connection maybe handed out to multiple threads concurrently. Here's a few examples of the exceptions we are getting: {noformat} jvm 1 | Caused by: java.sql.SQLException: Attempted to use PooledConnection after closed() was called. jvm 1 | at org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.assertOpen(PooledConnectionImpl.java:163) jvm 1 | at org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.getConnection(PooledConnectionImpl.java:174) jvm 1 | at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:768) jvm 1 | at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:676) jvm 1 | at uk.co.webessence.kernel.database.DriverAdapterConnectionPool.acquireConnection(DriverAdapterConnectionPool.java:101) jvm 1 | ... 94 more {noformat} {noformat} jvm 1 | Caused by: java.sql.SQLException: PooledConnection was reused, withoutits previous Connection being closed. jvm 1 | at org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.getConnection(PooledConnectionImpl.java:179) jvm 1 | at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:768) jvm 1 | at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:676) jvm 1 | at uk.co.webessence.kernel.database.DriverAdapterConnectionPool.acquireConnection(DriverAdapterConnectionPool.java:101) jvm 1 | ... 77 more {noformat} {noformat} jvm 1 | Caused by: java.sql.SQLException: Invalid state, the ResultSet object is closed. jvm 1 | at net.sourceforge.jtds.jdbc.JtdsResultSet.checkOpen(JtdsResultSet.java:299) jvm 1 | at net.sourceforge.jtds.jdbc.JtdsResultSet.getColumn(JtdsResultSet.java:273) jvm 1 | at net.sourceforge.jtds.jdbc.JtdsResultSet.getObject(JtdsResultSet.java:840) jvm 1 | at org.apache.commons.dbcp.DelegatingResultSet.getObject(DelegatingResultSet.java:325) jvm 1 | at uk.co.webessence.kernel.persistence.Preloader.getDataArray(Preloader.java:428) jvm 1 | at uk.co.webessence.kernel.persistence.Preloader.processSingleRow(Preloader.java:175) jvm 1 | at uk.co.webessence.kernel.persistence.PersistenceHandler.processRecordReload(PersistenceHandler.java:471) jvm 1 | at uk.co.webessence.kernel.persistence.PersistenceHandler$1.doLoad(PersistenceHandler.java:447) jvm 1 | ... 71 more {noformat} {noformat} Message: TDS Protocol error: Invalid packet type 0x4 jvm 1 | Caused by: java.sql.SQLException: TDS Protocol error: Invalid packet type 0x4 jvm 1 | at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2314) jvm 1 | at net.sourceforge.jtds.jdbc.TdsCore.getNextRow(TdsCore.java:764) jvm 1 | at net.sourceforge.jtds.jdbc.JtdsResultSet.next(JtdsResultSet.java:593) jvm 1 | at org.apache.commons.dbcp.DelegatingResultSet.next(DelegatingResultSet.java:207) jvm 1 | at uk.co.webessence.kernel.persistence.Preloader.loadData(Preloader.java:142) jvm 1 | at uk.co.webessence.kernel.persistence.PersistenceHandler$3.doLoad(PersistenceHandler.java:592) jvm 1 | ... 111 more jvm 1 | Caused by: net.sourceforge.jtds.jdbc.ProtocolException: Invalid packet type 0x4 jvm 1 | at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2301) jvm 1 | ... 116 more {noformat}

    Apache's JIRA Issue Tracker | 5 years ago | Dave Oxley
    java.sql.SQLException: Attempted to use PooledConnection after closed() was called.
  2. 0

    Under high load commons-dbcp (or commons-pool) exhibits thread safety issues and begins throwing various exceptions. I don't yet know the cause of the issue but it looks like a connection maybe handed out to multiple threads concurrently. Here's a few examples of the exceptions we are getting: {noformat} jvm 1 | Caused by: java.sql.SQLException: Attempted to use PooledConnection after closed() was called. jvm 1 | at org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.assertOpen(PooledConnectionImpl.java:163) jvm 1 | at org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.getConnection(PooledConnectionImpl.java:174) jvm 1 | at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:768) jvm 1 | at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:676) jvm 1 | at uk.co.webessence.kernel.database.DriverAdapterConnectionPool.acquireConnection(DriverAdapterConnectionPool.java:101) jvm 1 | ... 94 more {noformat} {noformat} jvm 1 | Caused by: java.sql.SQLException: PooledConnection was reused, withoutits previous Connection being closed. jvm 1 | at org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.getConnection(PooledConnectionImpl.java:179) jvm 1 | at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:768) jvm 1 | at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:676) jvm 1 | at uk.co.webessence.kernel.database.DriverAdapterConnectionPool.acquireConnection(DriverAdapterConnectionPool.java:101) jvm 1 | ... 77 more {noformat} {noformat} jvm 1 | Caused by: java.sql.SQLException: Invalid state, the ResultSet object is closed. jvm 1 | at net.sourceforge.jtds.jdbc.JtdsResultSet.checkOpen(JtdsResultSet.java:299) jvm 1 | at net.sourceforge.jtds.jdbc.JtdsResultSet.getColumn(JtdsResultSet.java:273) jvm 1 | at net.sourceforge.jtds.jdbc.JtdsResultSet.getObject(JtdsResultSet.java:840) jvm 1 | at org.apache.commons.dbcp.DelegatingResultSet.getObject(DelegatingResultSet.java:325) jvm 1 | at uk.co.webessence.kernel.persistence.Preloader.getDataArray(Preloader.java:428) jvm 1 | at uk.co.webessence.kernel.persistence.Preloader.processSingleRow(Preloader.java:175) jvm 1 | at uk.co.webessence.kernel.persistence.PersistenceHandler.processRecordReload(PersistenceHandler.java:471) jvm 1 | at uk.co.webessence.kernel.persistence.PersistenceHandler$1.doLoad(PersistenceHandler.java:447) jvm 1 | ... 71 more {noformat} {noformat} Message: TDS Protocol error: Invalid packet type 0x4 jvm 1 | Caused by: java.sql.SQLException: TDS Protocol error: Invalid packet type 0x4 jvm 1 | at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2314) jvm 1 | at net.sourceforge.jtds.jdbc.TdsCore.getNextRow(TdsCore.java:764) jvm 1 | at net.sourceforge.jtds.jdbc.JtdsResultSet.next(JtdsResultSet.java:593) jvm 1 | at org.apache.commons.dbcp.DelegatingResultSet.next(DelegatingResultSet.java:207) jvm 1 | at uk.co.webessence.kernel.persistence.Preloader.loadData(Preloader.java:142) jvm 1 | at uk.co.webessence.kernel.persistence.PersistenceHandler$3.doLoad(PersistenceHandler.java:592) jvm 1 | ... 111 more jvm 1 | Caused by: net.sourceforge.jtds.jdbc.ProtocolException: Invalid packet type 0x4 jvm 1 | at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2301) jvm 1 | ... 116 more {noformat}

    Apache's JIRA Issue Tracker | 5 years ago | Dave Oxley
    java.sql.SQLException: Attempted to use PooledConnection after closed() was called.
  3. 0

    java.sql.SQLException: No value specified for parameter 1解决办法_IT知识问答_希赛网

    educity.cn | 2 years ago
    java.sql.SQLException: No value specified for parameter 1 代码如下 public boolean login(UserInfo user)throws Exception{ //用户登录 boolean flag=false; int userNo=Integer.parseInt(user.getUserNo()); String password=user.getPassword(); //测试是否从现在的user对象中取到了值 System.out.println(userNo+"我是USER对象的userNo"); System.out.println(password+"我是USER对象的password"); DatabaseConnection dbc=new DatabaseConnection();//取得数据库连接和关闭对象; try{ String sql="SELECT userNo FROM userInfo where userNo= and password= "; this.conn=dbc.getConnection(); this.pst=conn.prepareStatement(sql); //this.pst.setInt(1, userNo);//给sql中参数赋值 this.pst.setLong(1, userNo); this.pst.setString(2, password); ResultSet rs=pst.executeQuery(); if(rs.next()){//传入用户账号和对应的密码都存在时为真 flag=true; System.out.println(rs.getString(userNo)+"我是从数据库里取出来的"); System.out.print(flag+"测试flag");//测试flag,看是否进入了if里面,true则进入了 rs.close(); } }catch(Exception e){ e.printStackTrace(); }finally{ if(this.pst!=null){ this.pst.close(); } this.conn.close(); } return flag; } 报的错误信息如:
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  5. 0

    java.sql.SQLException: No suitable driver - Toolbox for IT Groups

    ittoolbox.com | 9 months ago
    java.sql.SQLException: No suitable driver at java.sql.DriverManager.getConnection(DriverManager .java:545) at java.sql.DriverManager.getConnection(DriverManager .java:171) at com.stc.sql.framework.jdbc.DBConnectionFactory.cre ateConnection(DBConnectionFactory.java:372) at com.stc.sql.framework.jdbc.DBConnectionFactory.get Connection(DBConnectionFactory.java:281) at com.stc.etl.engine.impl.SimpleTask.getConnection(S impleTask.java:254) at com.stc.etl.engine.impl.Extractor.getSelectData(Ex tractor.java:376) at com.stc.etl.engine.impl.Extractor.process(Extracto r.java:190) at com.stc.etl.engine.impl.ETLTaskThread.run(ETLTaskT hread.java:147)
  6. 0

    1 more error - Java Programming Help - KnowCoding.com

    knowcoding.com | 2 years ago
    java.sql.SQLException: Protocol violation at oracle.jdbc.dbaccess.DBError.throwSqlException(DBE rror.java:134) at oracle.jdbc.dbaccess.DBError.throwSqlException(DBE rror.java:179) at oracle.jdbc.dbaccess.DBError.check_error(DBError.j ava:1160) at oracle.jdbc.ttc7.Ocommoncall.receive(Ocommoncall.j ava:149) at oracle.jdbc.ttc7.TTC7Protocol.rollback(TTC7Protoco l.java:488) at oracle.jdbc.driver.OracleConnection.rollback(Oracl eConnection.java:1412) at net.sf.hibernate.transaction.JDBCTransaction.rollb ack(JDBCTransaction.java:86) at com.azure.spark.database.hibernate.util.HibernateU til.doSessionWork(HibernateUtil.java:90) at com.azure.spark.database.hibernate.util.HibernateU til.doSessionWork(HibernateUtil.java:59) at com.azure.spark.database.hibernate.util.HibernateU til.get(HibernateUtil.java:569) at com.azure.spark.database.hibernate.util.HibernateS ession.get(HibernateSession.java:340) at com.azure.spark.taskcontroller.TaskControllerCompo nent.taskCompleted(TaskControllerComponent.java:11 54) at com.azure.spark.taskcontroller.TaskControllerCompo nent.onTaskEvent(TaskControllerComponent.java:1111 ) at com.azure.spark.taskcontroller.tasks.AbstractTaskC omponent.run(AbstractTaskComponent.java:354)

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    Root Cause Analysis

    1. java.sql.SQLException

      Attempted to use PooledConnection after closed() was called.

      at org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.assertOpen()
    2. Commons DBCP
      InstanceKeyDataSource.getConnection
      1. org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.assertOpen(PooledConnectionImpl.java:163)
      2. org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.getConnection(PooledConnectionImpl.java:174)
      3. org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:768)
      4. org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:676)
      4 frames
    3. com.daveoxley.dbcpbug
      App$TestThread.run
      1. com.daveoxley.dbcpbug.App$TestThread.run(App.java:140)
      1 frame
    4. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:662)
      1 frame