PK89366: GETTING java.lang.NullPointerException followed by DSRA9110E: Connection is closed exception

APAR status

• Closed as duplicate of another APAR.

Error description

• Problem description:
  
  
  Customer observing the following
  error messages in log files:
  
  java.lang.NullPointerException
          at java.util.Hashtable.getEntry(Hashtable.java:468)
          at java.util.Hashtable.containsKey(Hashtable.java:354)
          at com.ibm.db2.jcc.b.sf.setCursorName(sf.java:763)
          at
  com.ibm.websphere.rsadapter.DB2UniversalDataStoreHelper.doStatem
  entClean
  up(DB2UniversalDataStoreHelper.java:225)
          at
  com.ibm.ws.rsadapter.jdbc.WSJdbcPreparedStatement.closeWrapper(W
  SJdbcPre
  paredStatement.java:435)
  
  
  followed by the follwing object closed exception
  
  
  
  [4/24/09 10:25:31:197 EST] 00000029 MCWrapper     E   J2CA0081E:
  Method cleanup failed while trying to execute method cleanup on
  ManagedConnection WSRdbManagedConnectionImpl@49a849a8 from
  resource jdbc/SRSSCHDB_SRSDEV1. Caught exception:
  com.ibm.ws.exception.WsException: DSRA9110E: Connection is
  closed.
   at
  com.ibm.ws.rsadapter.exceptions.DataStoreAdapterException.<init>
  (DataStoreAdapterException.java:241)
   at
  com.ibm.ws.rsadapter.exceptions.DataStoreAdapterException.<init>
  (DataStoreAdapterException.java:190)
   at
  com.ibm.ws.rsadapter.AdapterUtil.createDataStoreAdapterException
  (AdapterUtil.java:388)
   at
  com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.dissociate(WSJdbcConn
  ection.java:1383)
   at
  com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.dissociateCo
  nnections(WSRdbManagedConnectionImpl.java:841)
   at com.ibm.ejs.j2c.MCWrapper.cleanup(MCWrapper.java:1436)
   at com.ibm.ejs.j2c.FreePool.returnToFreePool(FreePool.java:487)
   at com.ibm.ejs.j2c.PoolManager.release(PoolManager.java:1780)
   at
  com.ibm.ejs.j2c.MCWrapper.releaseToPoolManager(MCWrapper.java:22
  81)
   at
  com.ibm.ejs.j2c.LocalTransactionWrapper.afterCompletion(LocalTra
  nsactionWrapper.java:1228)
   at
  com.ibm.ws.LocalTransaction.LocalTranCoordImpl.driveSy
  
  
  
  This APAR is only for the NPE followed by the object closed
  exception. If the NPE is observed with out the object closed
  exception it is caused by a DB2 problem see the following
  link
  
  
  http://www-01.ibm.com/support/docview.wss?uid=swg1IZ27010
  
  
  
  This APAR will make sure that this method is not returned to the
  application in the case were the connection is already closed.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  Note: This APAR is created for DSRA9110E: Connection is closed
  not for NPE.
  

Local fix

• N/A
  

Problem summary

Problem conclusion

Temporary fix

Comments

• PK89366 is a sysroute of APAR PK86552. PK89366 is being closed
  DUP of APAR PK90193 because PK90193 will document the delivery
  of APAR PK86552 in Service Level (Fix Pack) 6.1.0.27 of
  WebSphere Application Server V6.1.0.
  

APAR Information

• APAR is sysrouted FROM one or more of the following:

  PK86552

• APAR is sysrouted TO one or more of the following:

Fix information

Applicable component levels