JR44041: NULLPOINTEREXCEPTION IS THROWN WHEN INVOKING MQ WITH THE CORRELATIONID IS POPULATED ON MQ HEADER IN V7.5

Version 7.5.1 Fix Pack 2 for the IBM Business Process Manager products

APAR status

• Closed as program error.

Error description

• When MediationFlow invoking MQ binding import, If set correlId
  to MQ
  header in MediatinFlow, NullPointerException could occur in MQ
  binding
  at runtime.
  
  Exception:
  Caused by: java.lang.NullPointerException
   at
  com.ibm.ws.sca.internal.mq.MQMDUtils.createMQMD(MQMDUtils.java:3
  78)
   at
   com.ibm.ws.sca.internal.mq.MQMethodBindingImpl.getRequestMessag
  e(MQMeth
  odBindingImpl.java:513)
   at
   com.ibm.ws.sca.internal.mq.MQMethodBindingImpl.oneway_invoke(MQ
  MethodBi
  ndingImpl.java:193)
   at
   com.ibm.ws.sca.internal.mq.MQInterfaceBindingImpl.invokeAsync(M
  QInterfa
  ceBindingImpl.java:163)
   at
   com.ibm.ws.sca.internal.mq.handler.MQImportHandler.invokeDynami
  cImport(
  MQImportHandler.java:620)
   at
   com.ibm.ws.sca.internal.mq.handler.MQImportHandler.processMessa
  ge(MQImp
  ortHandler.java:357)
   at
   com.ibm.ws.sca.internal.mq.handler.NativeMQImportHandler.proces
  sMessage
  (NativeMQImportHandler.java:206)
   at
   com.ibm.ws.sca.internal.message.impl.MessageDispatcherImpl.proc
  essMessa
  ge(MessageDispatcherImpl.java:1756)
   ... 94 more
  

Local fix

• iFix is requested
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  Business Process Manager V75 uses           *
  ****************************************************************
  * PROBLEM DESCRIPTION: NullPointerException is thrown when     *
  *                      invoking MQ with the CorrelatoinID is   *
  *                      propulated on MQ header                 *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  When MediationFlow invoke MQ import, if customer set correlId
  to MQ header in MediatinFlow, got NullPointerException at
  runtime.
  Exception:
  Caused by: java.lang.NullPointerException
  at
  com.ibm.ws.sca.internal.mq.MQMDUtils.createMQMD(MQMDUtils.java:3
  78)
  at
  com.ibm.ws.sca.internal.mq.MQMethodBindingImpl.getRequestMessage
  (MQMethodBindingImpl.java:513)
  at
  com.ibm.ws.sca.internal.mq.MQMethodBindingImpl.oneway_invoke(MQM
  ethodBindingImpl.java:193)
  at
  com.ibm.ws.sca.internal.mq.MQInterfaceBindingImpl.invokeAsync(MQ
  InterfaceBindingImpl.java:163)
  ...
  

Problem conclusion

• This problem is fixed by adding header properties checker and
  handling correlId properly.
  Fix is available on FixCentral.
  Install/Dependency information is available in the
  readme.txt
  on FixCentral. When the user goes to the download files page
  in FixCentral, the readme will be available with the fix
  package as a separate download.
  

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

  BPM ADVANCED

• Fixed component ID

  5725C9400

Applicable component levels

• R750 PSY

     UP