[AMQ-4898] LocalTransaction PRE COMMIT FAILED: java.util.ConcurrentModificationException

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 5.9.0
• Fix Version/s: Unscheduled
• Assignee: Matt Pavlovich
• Reporter: Gary Tully
• Created: 20/Nov/13 12:42
• Updated: 29/Aug/20 19:22

Description

Noticed this once from org.apache.activemq.bugs.AMQ4485NetworkOfXBrokersWithNDestsFanoutTransactionTest

the asyncSend that registers a sync in doMessageSend and transaction completion needs some coordination.

2013-11-20 12:32:12,324 [0.1:61149@61602] - WARN  LocalTransaction               - PRE COMMIT FAILED: 
java.util.ConcurrentModificationException
	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
	at java.util.AbstractList$Itr.next(AbstractList.java:343)
	at org.apache.activemq.transaction.Transaction.fireBeforeCommit(Transaction.java:118)
	at org.apache.activemq.transaction.Transaction.doPreCommit(Transaction.java:180)
	at org.apache.activemq.transaction.Transaction$1.call(Transaction.java:49)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at org.apache.activemq.store.kahadb.MessageDatabase.process(MessageDatabase.java:1197)
	at org.apache.activemq.store.kahadb.MessageDatabase$10.visit(MessageDatabase.java:1062)
	at org.apache.activemq.store.kahadb.data.KahaCommitCommand.visit(KahaCommitCommand.java:130)
	at org.apache.activemq.store.kahadb.MessageDatabase.process(MessageDatabase.java:1044)
	at org.apache.activemq.store.kahadb.MessageDatabase.store(MessageDatabase.java:951)
	at org.apache.activemq.store.kahadb.MessageDatabase.store(MessageDatabase.java:931)
	at org.apache.activemq.store.kahadb.KahaDBTransactionStore.commit(KahaDBTransactionStore.java:297)
	at org.apache.activemq.transaction.LocalTransaction.commit(LocalTransaction.java:70)
	at org.apache.activemq.broker.TransactionBroker.commitTransaction(TransactionBroker.java:253)
	at org.apache.activemq.broker.MutableBrokerFilter.commitTransaction(MutableBrokerFilter.java:112)
	at org.apache.activemq.broker.TransportConnection.processCommitTransactionOnePhase(TransportConnection.java:427)
	at org.apache.activemq.command.TransactionInfo.visit(TransactionInfo.java:100)
	at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:295)
	at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:152)
	at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
	at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
	at org.apache.activemq.transport.AbstractInactivityMonitor.onCommand(AbstractInactivityMonitor.java:270)
	at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
	at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:214)
	at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:196)
	at java.lang.Thread.run(Thread.java:695)