JR46940: NULLPOINTEREXCEPTION IN COACH WHEN NESTED CALLS TO THE SAME COACH

8.0.1.0-WS-BPM-IFJR46940
Download Version 8.0.1 Fix Pack 2 for the IBM Business Process Manager products
Version 8.5.0 Fix Pack 1 for the IBM Business Process Manager products

APAR status

• Closed as program error.

Error description

• Customer is getting NullpointerException when a callback (via
  button) is made from a coach back to the same coach the 2nd
  time.
  In customer's reproduction scneario, he has a table with 2 rows
  and a button to save the current selected row.
  When this button is clicked after the coach was reloaded one
  time, the NullPointerException occurs.
  .
  [3/26/13 10:00:40:570 CET] 0000005d wle           E
  CWLLG0594E: An
  exception occurred while initializing the runnable thread.
  Error:
  com.lombardisoftware.component.common.workflow.WorkflowProcessIt
  emExcept
  ion: java.lang.NullPointerException
  com.lombardisoftware.component.common.workflow.WorkflowProcessIt
  emExcept
  ion: java.lang.NullPointerException
   at
  com.lombardisoftware.component.common.workflow.ExecutionJob.doJo
  b(ExecutionJob.java:421)
   at
  com.lombardisoftware.server.ejb.workflow.EJBWorkflowManagerBean.
  doResumeWorkflowEngine(EJBWorkflowManagerBean.java:1236)
   at
  com.lombardisoftware.server.ejb.workflow.EJBWorkflowManagerBean.
  resumeProcess(EJBWorkflowManagerBean.java:401)
   at
  com.lombardisoftware.server.ejb.workflow.EJSRemoteStatefulEJBWor
  kflowManager_82478d70.resumeProcess(Unknown Source)
  .
  .---------------------------------------
     These are the nested exceptions from two different
  occurrences of this problem.
  .
  Caused by: java.lang.NullPointerException
      at
  com.lombardisoftware.component.coachng.worker.CoachNGDataJSONHel
  per.updateCoachData(CoachNGDataJSONHelper.java:88)
      at
  com.lombardisoftware.component.coachng.worker.CoachNGDataJSONHel
  per.updateCoachData(CoachNGDataJSONHelper.java:41)
      at
  com.lombardisoftware.component.coachng.worker.CoachNGWorker.doJo
  bProcessWebData(CoachNGWorker.java:203)
      at
  com.lombardisoftware.component.common.worker.WebWorker.doJob(Web
  Worker.java:73)
      at
  com.lombardisoftware.component.common.workflow.ExecutionJob.doJo
  b(ExecutionJob.java:409)
      ... 66 more
  .----------------------------------------------
  Caused by: java.lang.NullPointerException
      at
  com.lombardisoftware.component.coachng.worker.CoachNGDataJSONHel
  per.JSONArrayToTWObject(CoachNGDataJSONHelper.java:288)
      at
  com.lombardisoftware.component.coachng.worker.CoachNGDataJSONHel
  per.JSONArrayToTWObject(CoachNGDataJSONHelper.java:263)
      at
  com.lombardisoftware.component.coachng.worker.CoachNGDataJSONHel
  per.JSONObjectToTWObject(CoachNGDataJSONHelper.java:177)
      at
  com.lombardisoftware.component.coachng.worker.CoachNGDataJSONHel
  per.JSONToTWObject(CoachNGDataJSONHelper.java:258)
      at
  com.lombardisoftware.component.coachng.worker.CoachNGDataJSONHel
  per.JSONToTWObject(CoachNGDataJSONHelper.java:230)
  
  AFFECTED PRODUCTS:
  IBM Business Process Manager (BPM) Advanced
  IBM BPM Standard
  IBM BPM Express
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  User who implement looping back server      *
  *                  script with properties of the variables     *
  *                  that are not initialized completely.        *
  ****************************************************************
  * PROBLEM DESCRIPTION: A NPE might occur, if user              *
  *                      implements a looping back server        *
  *                      script with properties of the           *
  *                      variables that are not initialized.     *
  ****************************************************************
  * RECOMMENDATION:  A work around is available: Users to        *
  *                  initialize the variables completely.        *
  ****************************************************************
  User may get NPE, when implementing looping back server
  script with properties of the variables that are not
  initialized completely.
  

Problem conclusion

• A fix is available for IBM BPM 8.5.0.0 through superseding fix
  for JR50923. On Fix Central
  (http://www.ibm.com/support/fixcentral), search for JR50923:
  
      1. Select IBM Business Process Manager with your edition
  from the product selector, the installed version to the fix pack
  level, and your platform, and then click Continue.
      2. Select APAR or SPR, enter JR50923, and click Continue.
  
  When you download fix packages, ensure that you also download
  the readme file for each fix. Review each readme file for
  additional installation instructions and information about the
  fix.
  

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

• R850 PSY

     UP