oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12516, TNS:listener could not find available handler with matching protocol stack

Oracle Community | user8744020 | 2 years ago
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    Oracle Community | 2 years ago | user8744020
    oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12516, TNS:listener could not find available handler with matching protocol stack
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    oracle.net.ns.NetException: The Network Adapter could not establish the connection

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    Root Cause Analysis

    1. oracle.net.ns.NetException

      Listener refused the connection with the following error: ORA-12516, TNS:listener could not find available handler with matching protocol stack

      at oracle.net.ns.NSProtocol.connect()
    2. Oracle jdbc
      OracleXADataSource.getXAConnection
      1. oracle.net.ns.NSProtocol.connect(NSProtocol.java:411)
      2. oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1229)
      3. oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:326)
      4. oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:678)
      5. oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:234)
      6. oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)
      7. oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:567)
      8. oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:404)
      9. oracle.jdbc.xa.client.OracleXADataSource.getPooledConnection(OracleXADataSource.java:674)
      10. oracle.jdbc.xa.client.OracleXADataSource.getXAConnection(OracleXADataSource.java:267)
      11. oracle.jdbc.xa.client.OracleXADataSource.getXAConnection(OracleXADataSource.java:134)
      11 frames
    3. weblogic.jdbc.common
      XAConnectionEnvFactory.createResource
      1. weblogic.jdbc.common.internal.XAConnectionEnvFactory.makeConnection(XAConnectionEnvFactory.java:481)
      2. weblogic.jdbc.common.internal.XAConnectionEnvFactory.createResource(XAConnectionEnvFactory.java:177)
      2 frames
    4. weblogic.common.resourcepool
      ResourcePoolImpl$ResourcePoolMaintanenceTask.timerExpired
      1. weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourcePoolImpl.java:1310)
      2. weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourcePoolImpl.java:1227)
      3. weblogic.common.resourcepool.ResourcePoolImpl.recreateDeadResources(ResourcePoolImpl.java:2154)
      4. weblogic.common.resourcepool.ResourcePoolImpl.access$1700(ResourcePoolImpl.java:41)
      5. weblogic.common.resourcepool.ResourcePoolImpl$ResourcePoolMaintanenceTask.timerExpired(ResourcePoolImpl.java:2778)
      5 frames
    5. weblogic.timers.internal
      TimerImpl.run
      1. weblogic.timers.internal.TimerImpl.run(TimerImpl.java:273)
      1 frame
    6. weblogic.work
      ExecuteThread.run
      1. weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545)
      2. weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
      3. weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
      3 frames