PK81444: NULL POINTER EXCEPTION THROWN AND BLANK PAGE DISPLAYED WHEN VIEWING WCM AUTHORING PORTLET

APAR status

• Closed as program error.

Error description

• Null pointer exception thrown and blank page displayed when
  viewing WCM Authoring Portlet
  
  
  SystemOut.log and SystemErr.log show the Null pointer
  exception:
  [1/9/09 19:34:07:747 CST] 00003836 WRepositoryBr W   <Null
  Message> java.lang.NullPointerException
  at
  com.ibm.workplace.wcm.app.ui.portlet.widget.browser.model.node.Q
  
  ueryRepositoryNode.getDisplayNameFromSummary(QueryRepositoryNode
  
  .java(Compiled  Code))
  at
  com.ibm.workplace.wcm.app.ui.portlet.widget.browser.model.node.Q
  
  ueryRepositoryNode.getDisplayName(QueryRepositoryNode.java(Compi
  
  led Code))
  at
  com.ibm.workplace.wcm.app.ui.portlet.widget.browser.model.node.A
  
  bstractRepositoryNode.getPathString(AbstractRepositoryNode.java(
  
  Inlined Compiled Code))
  at
  com.ibm.workplace.wcm.app.ui.portlet.widget.browser.model.node.Q
  
  ueryRepositoryNode.getId(QueryRepositoryNode.java(Compiled
  Code))
  at
  com.ibm.workplace.wcm.app.ui.portlet.widget.browser.model.node.A
  
  bstractRepositoryNode.hashCode(AbstractRepositoryNode.java(Compi
  
  led Code))
  at
  java.util.HashMap.hash(HashMap.java(Inlined Compiled Code))
  at
  java.util.HashMap.containsKey(HashMap.java(Compiled Code))
  at
  java.util.HashSet.contains(HashSet.java(Compiled Code))
  at
  com.ibm.workplace.wcm.app.ui.portlet.widget.browser.model.Reposi
  
  toryBrowserTreeModel.getChildCount(RepositoryBrowserTreeModel.ja
  
  va(Compiled Code))
  
  
  
  The following "table child found null" message was seen in the
  trace.log:
  
  [2/2/09 17:44:04:769 CST] 0000067d HTMLBasicTree 3
  renderChildren() at path=[Web Content Management, Content, By
  Site Area, MySiteArea]
  [2/2/09 17:44:04:770 CST] 0000067d HTMLRepositor 3
  wViewPortPosition.getCurrentValue()0
  [2/2/09 17:44:04:770 CST] 0000067d HTMLRepositor >
  HTMLRepositoryBrowserTableRenderer fastRender ENTRY
  [2/2/09 17:44:04:770 CST] 0000067d WRepositoryBr 3   Filter
  count before = 0 & Filter count in this page = 0
  [2/2/09 17:44:04:770 CST] 0000067d BaseQuery     3   xPath
  query
  length is 157
  [2/2/09 17:44:04:770 CST] 0000067d SearchPredica 2
  evaluateSearchTermPredicate: xpath:
  [2/2/09 17:44:04:770 CST] 0000067d QueryPredicat 2
  evaluateSortOrder buffer= order by @ibmcontentwcm:position
  ascending
  [2/2/09 17:44:04:770 CST] 0000067d BaseQuery     3   The query
  is:
  //element(*, ibmcontentwcm:siteArea)[@jcr:uuid =
  '3d3d900047a7a812b59db7a6b6910000']/element(*,
  ibmcontentwcm:siteArea)[(@ibmcontentwcm:workflowStatus = 1)]
  order by @ibmcontentwcm:position ascending, for transformer:
  com.ibm.workplace.wcm.domain.transformers.controllable.ObjectSum
  
  maryTransformer@1c7be46
  [2/2/09 17:44:04:807 CST] 0000067d Cache         2   Found
  object with key b261930047a7a81bb5a0b7a6b6910000 in Cache
  services/cache/iwk/summary
  [2/2/09 17:44:04:807 CST] 0000067d BaseQuery     3   Query
  execution time was 36 ms
  [2/2/09 17:44:04:807 CST] 0000067d QueryBrowserM 2   table
  child
  found null, {b261930047a7a81bb5a0b7a6b6910000,
  com.aptrix.pluto.site.SiteArea}
  

Local fix

• Issue was found to be related to WCM Cache.  Clearing the WCM
  stategy caches will temporarily resolve the issue.
  

Problem summary

• ERROR DESCRIPTION:
  Null pointer exception thrown and blank page displayed when
  viewing WCM Authoring Portlet
  
  Caused by NullPointerException
  

Problem conclusion

• ERROR DESCRIPTION:
  Null pointer exception thrown and blank page displayed when
  viewing WCM Authoring Portlet
  
  
  SystemOut.log and SystemErr.log show the Null pointer
  exception:
  [1/9/09 19:34:07:747 CST] 00003836 WRepositoryBr W   <Null
  Message> java.lang.NullPointerException
  at
  com.ibm.workplace.wcm.app.ui.portlet.widget.browser.model.node.Q
  
  ueryRepositoryNode.getDisplayNameFromSummary(QueryRepositoryNode
  
  .java(Compiled  Code))
  at
  com.ibm.workplace.wcm.app.ui.portlet.widget.browser.model.node.Q
  
  ueryRepositoryNode.getDisplayName(QueryRepositoryNode.java(Compi
  
  led Code))
  at
  com.ibm.workplace.wcm.app.ui.portlet.widget.browser.model.node.A
  
  bstractRepositoryNode.getPathString(AbstractRepositoryNode.java(
  
  Problem was the displayName information wasn't populated in
  memory
  

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

  LOTUS WEB CONT

• Fixed component ID

  5724I2900

Applicable component levels

• R60C PSY

     UP

• R60D PSY

     UP

• R60E PSY

     UP