JR48398: TWTASK.PROCESSINSTANCESTEP RESULTS IN NPE WITH PARALLEL EVENTS

Version 8.5 Refresh Pack 5 for the IBM Business Process Manager products
Download Version 8.0.1 Fix Pack 3 for the IBM Business Process Manager products
Version 8.5.0 Fix Pack 2 for the IBM Business Process Manager products

APAR status

• Closed as program error.

Error description

• When running a BPD , if multiple steps are active at a given
  moment, executing TWTask.processInstanceStep API may result in a
  NullPointerException. This issue only occurs when parallel
  events are active at the same time.
  

Local fix

• n/a
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  IBM Business Process Manager Advanced,      *
  *                  Standard, and Express editions.             *
  ****************************************************************
  * PROBLEM DESCRIPTION: When running the                        *
  *                      TWTask.processInstanceStep() API, a     *
  *                      NullPointerException might occur.       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  The TWTask.processInstanceStep() API results in a
  NullPointerException when the process instance has multiple
  active tasks that are waiting for user input. The
  TWTask.processInstanceStep() API cannot find the correct step
  ID.
  The following exception stack may be seen:
  Caused by: java.lang.NullPointerException
  at
  com.lombardisoftware.core.script.js.TWTaskScriptable.findBpdExec
  utionTreeNode(TWTaskScriptable.java:526)
  at
  com.lombardisoftware.core.script.js.TWTaskScriptable.findBpdExec
  utionTreeNode(TWTaskScriptable.java:531)
  at
  com.lombardisoftware.core.script.js.TWTaskScriptable.findBpdExec
  utionTreeNode(TWTaskScriptable.java:522)
  at
  com.lombardisoftware.core.script.js.TWTaskScriptable.jsGet_proce
  ssInstanceStep(TWTaskScriptable.java:500)
  

Problem conclusion

• A fix is available so that the implementation of the
  WTask.processInstanceStep() API iterates through the process
  diagram to locate the corresponding step in the flow .
  
  On Fix Central (http://www.ibm.com/support/fixcentral),
  select the
  product group, product, installed version, and platform, click
  Continue and then select APAR or SPR, enter JR48398, and click
  Continue. When downloading 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

• R800 PSY

     UP