java.sql.SQLException: Connection handle has been closed and is unusable

Oracle Community | 3004 | 1 decade ago
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  1. 0

    Transaction problem

    Oracle Community | 1 decade ago | 3004
    java.sql.SQLException: Connection handle has been closed and is unusable
  2. 0

    com.br | 1 year ago
    java.sql.SQLException: Connection handle is not currently associated with a ManagedConnection
  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 | 8 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

      Connection handle has been closed and is unusable

      at org.jboss.resource.adapter.jdbc.WrappedConnection.checkStatus()
    2. JBoss Application Server Connector
      WrappedConnection.getWarnings
      1. org.jboss.resource.adapter.jdbc.WrappedConnection.checkStatus(WrappedConnection.java:800)
      2. org.jboss.resource.adapter.jdbc.WrappedConnection.getWarnings(WrappedConnection.java:603)
      2 frames
    3. com.solarmetric.kodo
      EEPersistenceManager.afterCompletion
      1. com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.logWarnings(SQLExecutionManagerImpl.java:1050)
      2. com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.fireEvent(SQLExecutionManagerImpl.java:1030)
      3. com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.close(SQLExecutionManagerImpl.java:899)
      4. com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.end(JDBCStoreManager.java:232)
      5. com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.commit(JDBCStoreManager.java:193)
      6. com.solarmetric.kodo.runtime.PersistenceManagerImpl.endTransaction(PersistenceManagerImpl.java:829)
      7. com.solarmetric.kodo.ee.EEPersistenceManager.afterCompletion(EEPersistenceManager.java:224)
      7 frames
    4. JBoss Transaction 7.1.0 SPI
      TransactionImpl.commit
      1. org.jboss.tm.TransactionImpl.doAfterCompletion(TransactionImpl.java:1331)
      2. org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:410)
      2 frames
    5. JBoss Application Server Server
      Container.invoke
      1. org.jboss.ejb.plugins.TxInterceptorCMT.endTransaction(TxInterceptorCMT.java:369)
      2. org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:253)
      3. org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      4. org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      5. org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      6. org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      7. org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      8. org.jboss.ejb.Container.invoke(Container.java:674)
      8 frames
    6. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      4. java.lang.reflect.Method.invoke(Method.java:324)
      4 frames
    7. org.jboss.mx
      ReflectedMBeanDispatcher.invoke
      1. org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
      1 frame
    8. JBoss Application Server J2SE
      MBeanServerImpl.invoke
      1. org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
      1 frame
    9. JBoss Application Server Server
      JRMPInvoker.invoke
      1. org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:359)
      1 frame
    10. Java RT
      Thread.run
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      4. java.lang.reflect.Method.invoke(Method.java:324)
      5. sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:261)
      6. sun.rmi.transport.Transport$1.run(Transport.java:148)
      7. java.security.AccessController.doPrivileged(Native Method)
      8. sun.rmi.transport.Transport.serviceCall(Transport.java:144)
      9. sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
      10. sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport..java:701)
      11. java.lang.Thread.run(Thread.java:536)
      11 frames