JR49267: BPMDELETESNAPSHOT COMMAND HITS NPE AND THE LAST SNAPSHOT IN A PROCESS APP COULD NOT BE DELETED

Version 7.5.1 Fix Pack 2 for the IBM Business Process Manager products
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 you try to delete the last snapshot in a process app, you
  see one or more errors.
  
  Note: If you have JR48752 installed, you cannot delete the last
  snapshot by using the BPMDeleteSnapshot wsadmin command.
  
  
  PRODUCTS AFFECTED:
  IBM Business Process Manager (BPM) Advanced
  IBM BPM Standard
  IBM BPM Express
  

Local fix

Problem summary

• When you try to delete the last snapshot, you see either or both
   of the following errors.
  
  When a process application has no snapshot, you might see the
  following stack trace in the log file at run time:
  
   [30/09/13 10:39:19:222 BST] 00000429 wle           I
  Exception in EJB call
   [30/09/13 10:39:19:223 BST] 00000429 wle_ucaexcept E
  CWLLG0181E: An exception occurred during execution of task
  25,367.  Error: java.lang.NullPointerException
  
  com.lombardisoftware.client.delegate.BusinessDelegateException:
  java.lang.NullPointerException
               at
  com.lombardisoftware.client.delegate.BusinessDelegateException.a
  sBusinessDelegateException(BusinessDelegateException.java:41)
               at
  com.lombardisoftware.client.delegate.common.WebsphereDelegateHel
  per.doAsCurrentSubjectContextSensitive(WebsphereDelegateHelper.j
  ava:177)
               at
  com.lombardisoftware.client.delegate.EventMgrDelegateDefault.exe
  cuteUCA(EventMgrDelegateDefault.java:142)
               at
  com.lombardisoftware.server.scheduler.tasks.UcaExecutorTask.exec
  ute(UcaExecutorTask.java:39)
               at
  com.lombardisoftware.server.scheduler.Engine.execute(Engine.java
  :759)
               at
  com.lombardisoftware.server.scheduler.Engine.access$300(Engine.j
  ava:76)
   . . .
   Caused by: java.lang.NullPointerException
               at
  com.lombardisoftware.client.persistence.SnapshotFactory.findVCIn
  Project(SnapshotFactory.java:356)
               at
  com.lombardisoftware.bpd.runtime.engine.message.DefaultMessageRo
  utingCache.loadCacheData(DefaultMessageRoutingCache.java:289)
               at
  com.lombardisoftware.bpd.runtime.engine.message.DefaultMessageRo
  utingCache.loadCacheData(DefaultMessageRoutingCache.java:45)
               at
  com.lombardisoftware.core.cache.GenericCache.getCacheData(Generi
  cCache.java:177)
               at
  com.lombardisoftware.bpd.runtime.engine.message.DefaultMessageRo
  utingCache.loadProcessAppInfo(DefaultMessageRoutingCache.java:12
  8)
               at
  com.lombardisoftware.bpd.runtime.engine.message.DefaultMessageRo
  utingCache.getProcessAppInfo(DefaultMessageRoutingCache.java:98)
               at
  com.lombardisoftware.bpd.runtime.engine.message.DefaultMessageRo
  utingCache.getStartMessageEventsForUCA(DefaultMessageRoutingCach
  e.java:249)
               at
  com.lombardisoftware.bpd.runtime.engine.message.BPDMessageEventH
  elper.messageReceived(BPDMessageEventHelper.java:82)
               at
  com.lombardisoftware.server.ejb.bpd.BPDEngineServicesCore.messag
  eArrived(BPDEngineServicesCore.java:807)
               at
  sun.reflect.GeneratedMethodAccessor413.invoke(Unknown Source)
   . . .
  
  You might see a NullPointerException that is similar to the
  following exception:
  
   [11/26/13 10:18:44:987 ICT] 000001af PALAdminComma I
  BPMDeleteSnapshot
   failed due to: java.lang.NullPointerException
                                    java.lang.Exception:
   java.lang.NullPointerException
               at
   com.lombardisoftware.client.delegate.BusinessDelegateException.
  asBusinessDelegateException
   (BusinessDelegateException.java:41)
               at
   com.lombardisoftware.client.delegate.common.WebsphereDelegateHe
  lper.doAsCurrentSubjectContextSensitive
   (WebsphereDelegateHelper.java:199)
               at
   com.lombardisoftware.client.delegate.RepositoryServicesDelegate
  Default.deleteSnapshot
   (RepositoryServicesDelegateDefault.java:2383)
               at
  com.ibm.bpm.pal.commands.CommandServiceImpl.snapshotDelete
   (CommandServiceImpl.java:708)
               at
  com.ibm.bpm.pal.commands.impl.internal.BPMDeleteSnapshot.execute
   (BPMDeleteSnapshot.java:53)
               at
   com.ibm.ws.management.cmdframework.impl.RemoteCommandMgrImpl.ad
  minCmdExecute
   (RemoteCommandMgrImpl.java:335)
               at
   com.ibm.ws.management.cmdframework.impl.RemoteCommandMgrImpl.ex
  ecute
   (RemoteCommandMgrImpl.java:292)
               at
  sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
               at sun.reflect.NativeMethodAccessorImpl.invoke
   (NativeMethodAccessorImpl.java:60)
               at sun.reflect.DelegatingMethodAccessorImpl.invoke
   (DelegatingMethodAccessorImpl.java:37)
   . . .
  

Problem conclusion

• A fix is available for IBM BPM V8.0.1.2, V8.5.0.1 that enables
  you to delete the last snapshot and resolves the errors.
  
  On Fix Central (http://www.ibm.com/support/fixcentral), and
  search for JR49267:
  
  1. Select the product group, product, installed version, and
  platform, and click Continue.
  2. Select APAR or SPR, enter JR49267, 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.
  
  In addition to this interim fix, install the other interim fixes
   that are required for the BPMDeleteSnapshot and
  BPMSnapshotCleanup commands, which are listed in "Issues with
  BPMDeleteSnapshot and BPMSnapshotCleanup commands in IBM
  Business Process Manager (BPM)"
  (http://www.ibm.com/support/docview.wss?uid=swg21669992).
  

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