ConcurrentModificationException in UnifiedLoaderRepository3.getPackageClassLoaders ---------------------------------------------------------------------------------- Key: JBAS-7576 URL: https://jira.jboss.org/jira/browse/JBAS-7576 Project: JBoss Application Server Issue Type: Bug Security Level: Public (Everyone can see) Affects Versions: JBossAS-4.2.3.GA Environment: Linux sm-12 2.6.22.1-rt4 #2 SMP PREEMPT RT Mon Jul 23 02:43:39 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux Reporter: G Mainzer got the following exception while starting jboss (got it only once): Caused by: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793) at java.util.HashMap$KeyIterator.next(HashMap.java:828) at java.util.AbstractCollection.addAll(AbstractCollection.java:305) at java.util.TreeSet.addAll(TreeSet.java:295) at org.jboss.mx.loading.UnifiedLoaderRepository3.getPackageClassLoaders(UnifiedLoaderRepository3.java:251) at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:178) at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:521) at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:415) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) at org.hibernate.engine.query.NativeSQLQueryPlan.<init>(NativeSQLQueryPlan.java:67) at org.hibernate.engine.query.QueryPlanCache.getNativeSQLQueryPlan(QueryPlanCache.java:136) at org.hibernate.impl.AbstractSessionImpl.getNativeSQLQueryPlan(AbstractSessionImpl.java:160) at org.hibernate.impl.SessionImpl.executeNativeUpdate(SessionImpl.java:1182) at org.hibernate.impl.SQLQueryImpl.executeUpdate(SQLQueryImpl.java:357) at com.cxtrm.mgmt.sessionmgr.legacy.SessionManagerDMHOperatorBean.execUpdate(SessionManagerDMHOperatorBean.java:316) at com.cxtrm.mgmt.sessionmgr.legacy.SessionManagerDMHOperatorBean.com$cxtrm$mgmt$sessionmgr$legacy$SessionManagerDMHOperatorBean$nativeMaintenance$aop(SessionManagerDMHOperatorBean.java:307) at com.cxtrm.mgmt.sessionmgr.legacy.SessionManagerDMHOperatorBean$nativeMaintenance_N8100252910500966105.invokeNext(SessionManagerDMHOperatorBean$nativeMaintenance_N8100252910500966105.java) at com.cxtrm.mgmt.aop.tx.TransactionRetrier.txRetryMarker(TransactionRetrier.java:34) at org.jboss.aop.advice.com.cxtrm.mgmt.aop.tx.TransactionRetrier76.invoke(TransactionRetrier76.java) at com.cxtrm.mgmt.sessionmgr.legacy.SessionManagerDMHOperatorBean$nativeMaintenance_N8100252910500966105.invokeNext(SessionManagerDMHOperatorBean$nativeMaintenance_N8100252910500966105.java) at com.cxtrm.mgmt.sessionmgr.legacy.SessionManagerDMHOperatorBean.nativeMaintenance(SessionManagerDMHOperatorBean.java) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112) at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166) at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.tx.TxPolicy.org$jboss$aspects$tx$TxPolicy$invokeInOurTx$aop(TxPolicy.java:79) ... 67 more -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira