ConcurrentModificationException in org.jboss.as.cmp.TransactionEntityMap$GlobalTxSynchronization in JBoss EAP 6.0.x
Environment
- JBoss Enterprise Application Platform (EAP)
- 6.0
Issue
- We are seeing this exception when testing our EJB 2 CMP Entity beans:
Caused by: javax.ejb.EJBException: JBAS018688: Exception in store of entity: 710304
at org.jboss.as.cmp.TransactionEntityMap$GlobalTxSynchronization.synchronize(TransactionEntityMap.java:317) [jboss-as-cmp-7.1.2.Final-redhat-1-JBPAPP-10473-dev.jar:7.1.2.Final-redhat-1]
at org.jboss.as.cmp.TransactionEntityMap.synchronizeEntities(TransactionEntityMap.java:214) [jboss-as-cmp-7.1.2.Final-redhat-1-JBPAPP-10473-dev.jar:7.1.2.Final-redhat-1]
at org.jboss.as.cmp.component.CmpEntityBeanComponent.synchronizeEntitiesWithinTransaction(CmpEntityBeanComponent.java:104) [jboss-as-cmp-7.1.2.Final-redhat-1-JBPAPP-10473-dev.jar:7.1.2.Final-redhat-1]
at org.jboss.as.cmp.component.interceptors.CmpEntityBeanHomeFinderInterceptorFactory.invokeFind(CmpEntityBeanHomeFinderInterceptorFactory.java:69) [jboss-as-cmp-7.1.2.Final-redhat-1-JBPAPP-10473-dev.jar:7.1.2.Final-redhat-1]
at org.jboss.as.ejb3.component.entity.interceptors.EntityBeanHomeFinderInterceptorFactory$1.processInvocation(EntityBeanHomeFinderInterceptorFactory.java:92) [jboss-as-ejb3-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final-redhat-1.jar:1.1.1.Final-redhat-1]
at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInCallerTx(CMTTxInterceptor.java:201) [jboss-as-ejb3-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1]
... 90 more
Caused by: java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819) [rt.jar:1.7.0_09]
at java.util.ArrayList$Itr.next(ArrayList.java:791) [rt.jar:1.7.0_09]
at org.jboss.as.cmp.TransactionEntityMap$GlobalTxSynchronization.synchronize(TransactionEntityMap.java:278) [jboss-as-cmp-7.1.2.Final-redhat-1-JBPAPP-10473-dev.jar:7.1.2.Final-redhat-1]
... 96 more
Resolution
Upgrade to JBoss EAP 6.1.0 or request a one off patch
Root Cause
ConcurrentModificationException in org.jboss.as.cmp.TransactionEntityMap$GlobalTxSynchronization instances
https://issues.jboss.org/browse/AS7-6184
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