Philip Harvey created QPID-4121: ----------------------------------- Summary: ConcurrentModificationException reported by HouseKeepingTask while closing session Key: QPID-4121 URL: https://issues.apache.org/jira/browse/QPID-4121 Project: Qpid Issue Type: Bug Components: Java Broker Affects Versions: 0.16 Reporter: Philip Harvey Assignee: Philip Harvey Fix For: Future
A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time. Here is the log excerpt: {noformat} 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exc eption in housekeeping for connection: /169.115.203.31:50639(emea_uk_dcpp_notifier_ds) java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at org.apache.qpid.server.txn.LocalTransaction.rollback(LocalTransaction.java:297) at org.apache.qpid.server.AMQChannel.close(AMQChannel.java:535) at org.apache.qpid.server.protocol.AMQProtocolEngine.closeChannel(AMQProtocolEngine.java:727) at org.apache.qpid.server.protocol.AMQProtocolEngine.closeSession(AMQProtocolEngine.java:1350) at org.apache.qpid.server.AMQChannel.checkTransactionStatus(AMQChannel.java:1530) at org.apache.qpid.server.virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask.execute(VirtualHostImpl.java:400) at org.apache.qpid.server.virtualhost.HouseKeepingTask.run(HouseKeepingTask.java:61) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101 (ScheduledThreadPoolExecutor.java:98) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic (ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) {noformat} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@qpid.apache.org For additional commands, e-mail: dev-h...@qpid.apache.org