PM63322: MYFACES HANGS IN DEFAULTRESTOREVIEWSUPPORT

8.5.0.1: WebSphere Application Server V8.5 Fix Pack 1
8.0.0.5: WebSphere Application Server V8.0 Fix Pack 5
8.5.0.2: WebSphere Application Server V8.5 Fix Pack 2
8.0.0.6: WebSphere Application Server V8.0 Fix Pack 6
8.0.0.7: WebSphere Application Server V8.0 Fix Pack 7
8.0.0.8: WebSphere Application Server V8.0 Fix Pack 8
8.0.0.9: WebSphere Application Server V8.0 Fix Pack 9
8.0.0.10: WebSphere Application Server V8.0 Fix Pack 10
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15

APAR status

• Closed as program error.

Error description

• MyFaces hangs in DefaultRestoreViewSupport.handlePrefixMapping
  while executing thread in a portlet environment:
  
  Stack trace :
  ----------------------------------------------------------------
  at java/lang/String.substring(String.java:1105(Compiled Code))
  at org/apache/myfaces/lifecycle/DefaultRestoreViewSupport
  
  .handlePrefixMapping(DefaultRestoreViewSupport.java:290(Compiled
  Code))
  at org/apache/myfaces/lifecycle/DefaultRestoreViewSupport
       .deriveViewId(DefaultRestoreViewSupport.java:222)
  at org/apache/myfaces/lifecycle/RestoreViewExecutor
       .execute(RestoreViewExecutor.java:150)
  at org/apache/myfaces/lifecycle/LifecycleImpl
       .executePhase(LifecycleImpl.java:171)
  at org/apache/myfaces/lifecycle/LifecycleImpl
       .execute(LifecycleImpl.java:118)
  at org/portletfaces/bridge/BridgeImpl
       .doFacesRequest(BridgeImpl.java:402)
  at org/portletfaces/bridge/GenericFacesPortlet
       .doView(GenericFacesPortlet.java:181)
  at javax/portlet/GenericPortlet
       .doDispatch(GenericPortlet.java:328)
  ----------------------------------------------------------------
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  IBM WebSphere Application Server Versions   *
  *                  8.0 and 8.5 users of JavaServer Faces(JSF)  *
  *                  MyFaces.                                    *
  ****************************************************************
  * PROBLEM DESCRIPTION: A Thread hang occurs in the MyFaces     *
  *                      DefaultRestoreViewSupport.handlePrefixM *
  *                      apping method.                          *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  A Thread hang, caused by an infinite loop, can be seen in the
  WebSphere Application Server logs.  Here is an example of a
  similar message:
  3/14/12 11:34:12:953 EDT] 00000024 ThreadMonitor W
  WSVR0605W: Thread
  "WebContainer : 0" (00000022) has been active for 749937
  milliseconds
  and may be hung.  There is/are 1 thread(s) in total in the
  server that
  may be hung.
  at java.lang.String.substring(String.java:1105)
  at
  org.apache.myfaces.lifecycle.DefaultRestoreViewSupport.handlePre
  fixMapping(DefaultRestoreViewSupport.java:290)
  

Problem conclusion

• The following fix was pulled into WebSphere Application Server
  from the Apache MyFaces Open Source Community to resolve this
  problem:
  https://issues.apache.org/jira/browse/MYFACES-3531
  
  The fix for this APAR is currently targeted for inclusion in
  fix pack 8.0.0.5 and 8.5.0.1.  Please refer to the Recommended
  Updates page for delivery information:
  http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
  

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:

  PM80277

Fix information

• Fixed component name

  WEBSPHERE APP S

• Fixed component ID

  5724J0800

Applicable component levels

• R800 PSY

     UP

• R850 PSY

     UP