Thanks for your reply!
I just had the time to test this again using the OptimisticTreeCacheProvider
and I also silenced the NPE by setting the TxInterceptor log level to WARN.
Now the system works ok with a single user but under load I get the following
errors...
16:01:36,991 ERROR [StdServerSession] failed to commit/rollback
org.jboss.tm.JBossRollbackException: Unable to commit,
tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=pkor/28, BranchQual=,
localId=28] status=STATUS_NO_TRANSACTION; - nested throwable:
(java.lang.RuntimeException: )
at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:372)
at org.jboss.tm.TxManager.commit(TxManager.java:240)
at
org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:351)
at
org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessageConsumer.java:905)
at
org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:170)
at org.jboss.mq.SpySession.run(SpySession.java:323)
at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:194)
at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:748)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.RuntimeException:
at
org.jboss.cache.interceptors.TxInterceptor$LocalSynchronizationHandler.beforeCompletion(TxInterceptor.java:1091)
at
org.jboss.cache.interceptors.OrderedSynchronizationHandler.beforeCompletion(OrderedSynchronizationHandler.java:75)
at
org.jboss.tm.TransactionImpl.doBeforeCompletion(TransactionImpl.java:1491)
at org.jboss.tm.TransactionImpl.beforePrepare(TransactionImpl.java:1110)
at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:324)
... 8 more
Caused by: org.jboss.cache.CacheException: Real node for
/com/oakgrovesystems/reactor/processMediation/hibernate/HibProcess/com.oakgrovesystems.reactor.processMediation.hibernate.HibProcess#101709
is null, and this wasn't newly created in this tx!
at
org.jboss.cache.interceptors.OptimisticValidatorInterceptor.simpleValidate(OptimisticValidatorInterceptor.java:122)
at
org.jboss.cache.interceptors.OptimisticValidatorInterceptor.validateNodes(OptimisticValidatorInterceptor.java:101)
at
org.jboss.cache.interceptors.OptimisticValidatorInterceptor.invoke(OptimisticValidatorInterceptor.java:66)
at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
at
org.jboss.cache.interceptors.OptimisticLockingInterceptor.invoke(OptimisticLockingInterceptor.java:95)
at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
at
org.jboss.cache.interceptors.TxInterceptor.runPreparePhase(TxInterceptor.java:804)
at
org.jboss.cache.interceptors.TxInterceptor$LocalSynchronizationHandler.beforeCompletion(TxInterceptor.java:1069)
... 12 more
What does that mean? any clues?
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