Why application throws 'java.util.ConcurrentModificationException' while performing a Hibernate action ?
Issue
- Why I'm getting
java.util.ConcurrentModificationExceptionin EAP 5.1 when using"Test Runner"and performing hibernate query ?
Caused by: java.util.ConcurrentModificationException
at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373)
at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:392)
at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:391)
at org.hibernate.util.IdentityMap.entryArray(IdentityMap.java:228)
at org.hibernate.util.IdentityMap.concurrentEntries(IdentityMap.java:89)
at org.hibernate.event.def.AbstractFlushingEventListener.prepareEntityFlushes(AbstractFlushingEventListener.java:136)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:88)
at org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:58)
at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:998)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1143)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)
at com.aaa.bbb.server.persistence.dao.CshAggValueDAOBean.findSODValues(CshAggValueDAOBean.java:210)
at com.aaa.bbb.server.persistence.facade.PersistenceFacadeEJB.getSODAggValueByFundAndEffDate(PersistenceFacadeEJB.java:872)
... 129 more
- In EAP 6.0, Why application is throwing
java.util.ConcurrentModificationExceptionfor entity update when trying to do hibernate conditional auditing which depends on database flag? TheEJBbean which does the auditing and the bean which determines the conditional flag shares same persistence unit.
Caused by: java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:859) [rt.jar:1.7.0_45]
at java.util.ArrayList$Itr.next(ArrayList.java:831) [rt.jar:1.7.0_45]
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:353) [hibernate-core-4.1.6.Final-redhat-3.jar:4.1.6.Final-redhat-3]
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:276) [hibernate-core-4.1.6.Final-redhat-3.jar:4.1.6.Final-redhat-3]
at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:326) [hibernate-core-4.1.6.Final-redhat-3.jar:4.1.6.Final-redhat-3]
at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:52) [hibernate-core-4.1.6.Final-redhat-3.jar:4.1.6.Final-redhat-3]
at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1214) [hibernate-core-4.1.6.Final-redhat-3.jar:4.1.6.Final-redhat-3]
at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:403) [hibernate-core-4.1.6.Final-redhat-3.jar:4.1.6.Final-redhat-3]
at org.hibernate.engine.transaction.synchronization.internal.SynchronizationCallbackCoordinatorImpl.beforeCompletion(SynchronizationCallbackCoordinatorImpl.java:104) [hibernate-core-4.1.6.Final-redhat-3.jar:4.1.6.Final-redhat-3]
... 40 more
Environment
- Red Hat JBoss Enterprise Application Platform (EAP)
- 5.1.0
- 6.0.1
- Hibernate
- 3.3.2.GA_CP03
- 4.1
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