PK79574: OUTOFMEMORY PROBLEM OCCURING WHEN USING APPLICATION SERVER 6.1.0.19 INCLUDING THE FEATURE PACK FOR EJB 3.0

Java SDK 1.5 SR10 Cumulative Fix for WebSphere Application Server
6.1.0.29: Java SDK 1.5 SR11 Cumulative Fix for WebSphere Application Server
6.1.0.31: Java SDK 1.5 SR11 FP1 Cumulative Fix for WebSphere Application Server
6.1.0.33: Java SDK 1.5 SR12 FP1 Cumulative Fix for WebSphere
6.1.0.35: Java SDK 1.5 SR12 FP2 Cumulative Fix for WebSphere
6.1.0.37: Java SDK 1.5 SR12 FP3 Cumulative Fix for WebSphere
6.1.0.47: WebSphere Application Server V6.1 Fix Pack 47
6.1.0.39: Java SDK 1.5 SR12 FP4 Cumulative Fix for WebSphere Application Server
6.1.0.41: Java SDK 1.5 SR12 FP5 Cumulative Fix for WebSphere Application Server
6.1.0.43: Java SDK 1.5 SR13 Cumulative Fix for WebSphere Application Server
6.1.0.45: Java SDK 1.5 SR14 Cumulative Fix for WebSphere Application Server
6.1.0.47: Java SDK 1.5 SR16 Cumulative Fix for WebSphere Application Server

APAR status

• Closed as program error.

Error description

• After upgrading to WebSphere 6.1.0.19 the following exception
  could be observed
  
  ----------------------------------------------------------------
  java.lang.OutOfMemoryError: Java heap space
  at java.util.ArrayList.ensureCapacity(ArrayList.java:169)
  at java.util.ArrayList.add(ArrayList.java:351)
  at
  org.apache.openjpa.meta.MetaDataRepository.processBuffer(MetaDat
  aRepository.java:676)
  at
  org.apache.openjpa.meta.MetaDataRepository.resolveMeta(MetaDataR
  epository.java:575)
  at
  org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepos
  itory.java:500)
  at
  org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataR
  epository.java:302)
  ...
  ----------------------------------------------------------------
  
  A bug report for the open JPA was opened to address the above
  problem.
  
  https://issues.apache.org/jira/browse/GERONIMO-4275
  
  https://issues.apache.org/jira/browse/OPENJPA-536
  
  A fix has been incorporated into the open JPA within WebSphere.
  

Local fix

• n/a
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of WebSphere Application Server   *
  *                  Feature Pack for EJB 3.0                    *
  ****************************************************************
  * PROBLEM DESCRIPTION: An OutOfMemoryException is thrown       *
  *                      during Java Persistence API (JPA)       *
  *                      metadata processing.                    *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  The problem was a result of the problem in the usage of
  a TreeSet object to manage entity inheritance relationships.
  
  Symptoms of this problem is the throwing of an
  OutOfMemoryException with
  org.apache.openjpa.meta.MetaDataRepository.getMetaData
  having a membership in the Exception stack trace.
  
  For example:
  
  java.lang.OutOfMemoryError
   at java.util.ArrayList.ensureCapacity(ArrayList.java:195)
   at java.util.ArrayList.add(ArrayList.java:377)
   at org.apache.openjpa.meta.MetaDataRepository.processBuffer(
      MetaDataRepository.java:676)
   at org.apache.openjpa.meta.MetaDataRepository.resolveMeta(
      MetaDataRepository.java:575)
   at org.apache.openjpa.meta.MetaDataRepository.
      resolve(MetaDataRepository.java:500)
   at org.apache.openjpa.meta.MetaDataRepository.getMetaData(
      MetaDataRepository.java:302)
   at org.apache.openjpa.meta.MetaDataRepository.getMetaData(
      MetaDataRepository.java:357)
  

Problem conclusion

• The processing of inheritance metadata was redesigned to
  utilize a List implementation that could order its members
  by their place in the inheritance organization.
  
  The fix for this APAR is currently targeted for inclusion in
  fixpack 6.1.0.25.  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:

Fix information

• Fixed component name

  WAS EJB3 FEATUR

• Fixed component ID

  5724J0851

Applicable component levels

• R610 PSY

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