PH36731: INTERMITTENT ECLIPSELINK CONCURRENTMODIFICATIONEXCEPTION

APAR status

• Closed as program error.

Error description

• EclipseLink can throw an intermittent
  ConcurrentModificationException:
  
  Caused by:
  java.util.ConcurrentModificationException
  
  at
  java.util.HashMap$HashIterator.nextNode(HashMap.java:1456)
  
  at
  java.util.HashMap$ValueIterator.next(HashMap.java:1485)
  
  at org.
  eclipse.persistence.jpa.PersistenceProvider.isLoadedWithReferenc
  e(PersistenceProvider.java:448)
  
  at javax.persistence.Persistenc
  e$PersistenceUtilImpl.isLoaded(Persistence.java:154)
  
  at org.apa
  che.bval.jsr.resolver.JPATraversableResolver.isReachable(JPATrav
  ersableResolver.java:34)
  
  at org.apache.bval.jsr.resolver.Defaul
  tTraversableResolver.isReachable(DefaultTraversableResolver.java
  :58)
  
  at org.apache.bval.jsr.resolver.CachingTraversableResolver
  .isReachable(CachingTraversableResolver.java:81)
  
  at org.apache.
  bval.jsr.ConstraintValidation.isReachable(ConstraintValidation.j
  ava:454)
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server - Java Persistence API - JPA 2.1 &   *
  *                  EclipseLink                                 *
  ****************************************************************
  * PROBLEM DESCRIPTION: EclipseLink can throw an intermittent   *
  *                      ConcurrentModificationException         *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Exception:
  ´´´
  Caused by: java.util.ConcurrentModificationException
  at java.util.HashMap$HashIterator.nextNode(HashMap.java:1456)
  at java.util.HashMap$ValueIterator.next(HashMap.java:1485)
  at
  org.eclipse.persistence.jpa.PersistenceProvider.isLoadedWithRefe
  rence(PersistenceProvider.java:448)
  at
  javax.persistence.Persistence$PersistenceUtilImpl.isLoaded(Persi
  stence.java:154)
  at
  org.apache.bval.jsr.resolver.JPATraversableResolver.isReachable(
  JPATraversableResolver.java:34)
  at
  org.apache.bval.jsr.resolver.DefaultTraversableResolver.isReacha
  ble(DefaultTraversableResolver.java:58)
  at
  org.apache.bval.jsr.resolver.CachingTraversableResolver.isReacha
  ble(CachingTraversableResolver.java:81)
  at
  org.apache.bval.jsr.ConstraintValidation.isReachable(ConstraintV
  alidation.java:454)
  ´´´
  

Problem conclusion

• The fix for this APAR changes the EclipseLink implementation
  and involves an update to the third-party source. See
  https://bugs.eclipse.org/bugs/show_bug.cgi?id=573198
  
  This fix is currently targeted for WebSphere Application
  Server 9.0.5.9. For more information, see 'Recommended Updates
  for WebSphere Application Server':
  https://www.ibm.com/support/pages/node/715553
  

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

  WEBSPHERE APP S

• Fixed component ID

  5724J0800

Applicable component levels

• R900 PSY

     UP