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PH68776: NULLPOINTEREXCEPTION OCCURS IN WEBSPHERE APPLICATION SERVER V9.0.5.24

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APAR status

  • Closed as program error.

Error description

  • In WebSphere Application Server v9.0.5.24, application fails
with NullPointerException.
java.lang.NullPointerException
	at com.ibm.ws.rsadapter.spi.CacheMap.remove(CacheMap.java:302)
	at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.getStat
ement(WSRdbManagedConnectionImpl.java:3371)
	at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.prepareStatement
(WSJdbcConnection.java:3007)
	at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.prepareStatement
(WSJdbcConnection.java:2957)

You may also see the following exception in the SystemOut.log
and FFDC::
java.lang.ArrayIndexOutOfBoundsException
	at com.ibm.ws.rsadapter.spi.CacheMap.remove(CacheMap.java:302)
	at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.getStat
ement(WSRdbManagedConnectionImpl.java:3371)
	at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.prepareStatement
(WSJdbcConnection.java:3007)
	at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.prepareStatement
(WSJdbcConnection.java:2957)
java.lang.ArrayIndexOutOfBoundsException
	at
com.ibm.ws.rsadapter.spi.CacheMap.removeLRU(CacheMap.java:434)
	at com.ibm.ws.rsadapter.spi.CacheMap.add(CacheMap.java:185)
	at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.cacheSt
atement(WSRdbManagedConnectionImpl.java:3445)
	at com.ibm.ws.rsadapter.jdbc.WSJdbcPreparedStatement.closeWrap
per(WSJdbcPreparedStatement.java:529)
	at com.ibm.ws.rsadapter.jdbc.WSJdbcObject.close(WSJdbcObject.j
ava:262)
java.lang.ArrayIndexOutOfBoundsException: Array index out of
range: 10
	at
com.ibm.ws.rsadapter.spi.CacheMap.removeAll(CacheMap.java:362)
	at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.clearSt
atementCache(WSRdbManagedConnectionImpl.java:5207)
	at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.destroy
(WSRdbManagedConnectionImpl.java:4063)
	at com.ibm.ejs.j2c.MCWrapper.destroy(MCWrapper.java:2207)
	at com.ibm.ejs.j2c.FreePool.cleanupAndDestroyMCWrapper(FreePoo
l.java:810)
	at com.ibm.ejs.j2c.PoolManager.reclaimConnections(PoolManager.
java:7583)
	at
com.ibm.ejs.j2c.PoolManager.executeTask(PoolManager.java:7291)
	at com.ibm.ejs.j2c.TaskTimer.run(TaskTimer.java:92)

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:  All users of IBM WebSphere Application      *
*                  Server using datasources                    *
****************************************************************
* PROBLEM DESCRIPTION: NullPointerException can occur when     *
*                      using prepared statements.              *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
In WebSphere Application Server v9.0.5.24, application fails
with NullPointerException.
java.lang.NullPointerException
at com.ibm.ws.rsadapter.spi.CacheMap.remove(CacheMap.java:302)
at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.getStat
ement(WSRdbManagedConnectionImpl.java:3371)

    



Problem conclusion


    

  • Code was changed to be more tolerant of potential
multithreaded access while closing connections.

The fix for this APAR is targeted for inclusion in fix pack
9.0.5.27 and 8.5.5.29. For more information, see 'Recommended
Updates for  WebSphere Application Server':
https://www.ibm.com/support/pages/node/715553

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PH68776
    • 

  • Reported component name
    WEBS APP SERV N
    • 

  • Reported component ID
    5724H8800
    • 

  • Reported release
    900
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2025-10-30
    • 

  • Closed date
    2026-01-22
    • 

  • Last modified date
    2026-01-22
    • 





    

  • 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


    








      
              
                            

              

              [{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            22 January 2026
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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