PH39960: J2CA0081E .... CAUGHT EXCEPTION:JAVA.LANG.NULLPOINTEREXCEPTION OCCURS WHEN STOPPING THE SERVER

APAR status

• Closed as program error.

Error description

• Occasionally "J2CA0081E Method cleanup failed .... Caught
  exception:java.lang.NullPointerException" may occur when
  stopping the server.
  
  
  The following error stack is SystemOut output:
  AdminHelper   A   ADMN1021I: An attempt is made to stop the
  xxxxx server.
  .....
  MCWrapper     E   J2CA0081E: Method cleanup failed while trying
  to execute method cleanup on ManagedConnection
  WSRdbManagedConnectionImpl@3ba2588 from resource jdbc/xxxxx.
  Caught exception: java.lang.NullPointerException
  	at com.ibm.ejs.j2c.CMConfigDataImpl.getPurgePolicy(CMConfigDat
  aImpl.java:1017)
  	at
  com.ibm.ws.rsadapter.DSConfig.getPurgePolicy(DSConfig.java:509)
  	at com.ibm.ws.rsadapter.spi.WSManagedConnectionFactoryImpl.get
  PurgePolicy(WSManagedConnectionFactoryImpl.java:3879)
  	at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.cleanup
  (WSRdbManagedConnectionImpl.java:4323)
  	at com.ibm.ejs.j2c.MCWrapper.cleanup(MCWrapper.java:1891)
  	at com.ibm.ejs.j2c.FreePool.cleanupAndDestroyMCWrapper(FreePoo
  l.java:767)
  	at com.ibm.ejs.j2c.FreePool.cleanupAndDestroyAllFreeConnection
  s(FreePool.java:2650)
  	at com.ibm.ejs.j2c.PoolManager.serverShutDown(PoolManager.java
  :2467)
  	at com.ibm.ejs.j2c.ConnectionFactoryDetailsImpl.stop(Connectio
  nFactoryDetailsImpl.java:462)
  	at com.ibm.ejs.j2c.RALifeCycleManagerImpl.shutdown(RALifeCycle
  ManagerImpl.java:1529)
  	at com.ibm.ejs.j2c.RALifeCycleManagerImpl.stop(RALifeCycleMana
  gerImpl.java:573)
  	at com.ibm.ws.runtime.component.ContainerHelper.stopComponent(
  ContainerHelper.java:477)
  	at com.ibm.ws.runtime.component.ContainerHelper.stopComponents
  (ContainerHelper.java:461)
  	at com.ibm.ws.runtime.component.ContainerImpl.stopComponents(C
  ontainerImpl.java:650)
  	at com.ibm.ws.runtime.component.ContainerImpl.stop(ContainerIm
  pl.java:638)
  	at com.ibm.ws.runtime.component.ApplicationServerImpl.stop(App
  licationServerImpl.java:286)
  	at com.ibm.ws.runtime.component.ContainerHelper.stopComponent(
  ContainerHelper.java:477)
  	at com.ibm.ws.runtime.component.ContainerHelper.stopComponents
  (ContainerHelper.java:461)
  	at com.ibm.ws.runtime.component.ContainerImpl.stopComponents(C
  ontainerImpl.java:650)
  	at com.ibm.ws.runtime.component.ContainerImpl.stop(ContainerIm
  pl.java:638)
  	at com.ibm.ws.runtime.component.ServerImpl.stop(ServerImpl.jav
  a:672)
  	at com.ibm.ws.runtime.component.ServerCollaborator$ShutdownHoo
  k$1.run(ServerCollaborator.java:919)
  	at com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextMa
  nagerImpl.java:5446)
  	at com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(Con
  textManagerImpl.java:5662)
  	at com.ibm.ws.runtime.component.ServerCollaborator$ShutdownHoo
  k.run(ServerCollaborator.java:909)
  	at com.ibm.ws.runtime.component.ServerCollaborator$StopAction.
  alarm(ServerCollaborator.java:860)
  	at com.ibm.ejs.util.am._Alarm.runImpl(_Alarm.java:151)
  	at com.ibm.ejs.util.am._Alarm.run(_Alarm.java:136)
  	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1909)
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server using Datasources during server      *
  *                  stop.                                       *
  ****************************************************************
  * PROBLEM DESCRIPTION: Null pointer exception during server    *
  *                      stop                                    *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  The following will occur in the error log,  MCWrapper     E
  J2CA0081E: Method cleanup failed while trying
  to execute method cleanup on ManagedConnection
  WSRdbManagedConnectionImpl@3ba2588 from resource jdbc/xxxxx.
  Caught exception: java.lang.NullPointerException
  at com.ibm.ejs.j2c.CMConfigDataImpl.getPurgePolicy(CMConfigDat
  aImpl.java:1017)
  at
  com.ibm.ws.rsadapter.DSConfig.getPurgePolicy(DSConfig.java:509)
  at com.ibm.ws.rsadapter.spi.WSManagedConnectionFactoryImpl.get
  PurgePolicy(WSManagedConnectionFactoryImpl.java:3879)
  at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.cleanup
  (WSRdbManagedConnectionImpl.java:4323)
  

Problem conclusion

• Fixed object that was null by checking it before using it.
  
  The fix for this APAR is targeted for inclusion in fix pack
  8.5.5.21 and 9.0.5.10. For more information, see 'Recommended
  Updates for  WebSphere Application Server':
  https://www.ibm.com/support/pages/node/715553
  

Temporary fix

Comments

APAR Information

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

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

Fix information

• Fixed component name

  WEBS APP SERV N

• Fixed component ID

  5724H8800

Applicable component levels

• R850 PSY

     UP

• R900 PSY

     UP