org.jboss.cache.optimistic.DataVersioningException in JBoss EPP 5

Solution Verified - Updated -

Issue

The following errors occur in EPP 5 under load.

WARN  [org.jboss.cache.interceptors.OptimisticTxInterceptor] (ajp-xxx.xxx.xxx.xxx-8009-35) Caught exception, will now set transaction to roll back
org.jboss.cache.optimistic.DataVersioningException: Transaction attempted to create /org/hibernate/cache/StandardQueryCache/QUERY/sql: select this_.ID as ID6_0_, this_.NAME as NAME6_0_ from jbid_realm this_ where this_.NAME=?; parameters: idm_realm_commdash, ; transformer: org.hibernate.transform.CacheableResultTransformer@110f2 anew.  It has already been created since this transaction started, by another (possibly remote) transaction.  We have a concurrent creation event.
    at org.jboss.cache.interceptors.OptimisticValidatorInterceptor.visitOptimisticPrepareCommand(OptimisticValidatorInterceptor.java:116)
    at org.jboss.cache.commands.tx.OptimisticPrepareCommand.acceptVisitor(OptimisticPrepareCommand.java:55)
    at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
  • How to use MVCC for JBoss cache node locking in JBoss Portal 5?

Environment

  • Red Hat JBoss Enterprise Portal Platform (EPP)

    • 5.1
    • 5.2

  • Red Hat Enterprise Application Platform (EAP)

    • 5.x (when conf files have been migrated from EAP 4)

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