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Posted to dev@qpid.apache.org by "Philip Harvey (JIRA)" <ji...@apache.org> on 2012/07/09 15:04:33 UTC
[jira] [Created] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
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$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{noformat}
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[jira] [Updated] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Keith Wall (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall updated QPID-4121:
-----------------------------
Affects Version/s: 0.17
Fix Version/s: (was: Future)
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16, 0.17
> Reporter: Philip Harvey
> Assignee: Keith Wall
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Commented] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Justin Ross (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13416695#comment-13416695 ]
Justin Ross commented on QPID-4121:
-----------------------------------
Reviewed by Keith. Approved for 0.18.
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16, 0.17, 0.18
> Reporter: Philip Harvey
> Assignee: Keith Wall
> Fix For: 0.19
>
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Assigned] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Philip Harvey (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Philip Harvey reassigned QPID-4121:
-----------------------------------
Assignee: Keith Wall (was: Philip Harvey)
please review and commit if you're happy
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16
> Reporter: Philip Harvey
> Assignee: Keith Wall
> Fix For: Future
>
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Updated] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Keith Wall (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall updated QPID-4121:
-----------------------------
Affects Version/s: (was: 0.18)
Fix Version/s: 0.18
Applied to 0.18 branch.
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16, 0.17
> Reporter: Philip Harvey
> Assignee: Keith Wall
> Fix For: 0.18, 0.19
>
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Resolved] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Keith Wall (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall resolved QPID-4121.
------------------------------
Resolution: Fixed
Patch applied, no comments.
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16, 0.17
> Reporter: Philip Harvey
> Assignee: Keith Wall
> Fix For: Future
>
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Updated] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Philip Harvey (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Philip Harvey updated QPID-4121:
--------------------------------
Description:
A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
Here is the log excerpt:
{noformat}
2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
.logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
.logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
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$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{noformat}
was:
A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
Here is the log excerpt:
{noformat}
2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
.logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
.logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$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$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{noformat}
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16
> Reporter: Philip Harvey
> Assignee: Philip Harvey
> Fix For: Future
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Updated] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Keith Wall (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall updated QPID-4121:
-----------------------------
Fix Version/s: Future
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16, 0.17
> Reporter: Philip Harvey
> Assignee: Keith Wall
> Fix For: Future
>
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Closed] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Keith Wall (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall closed QPID-4121.
----------------------------
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16, 0.17, 0.18
> Reporter: Philip Harvey
> Assignee: Keith Wall
> Fix For: 0.19
>
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Updated] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Philip Harvey (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Philip Harvey updated QPID-4121:
--------------------------------
Attachment: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
attached patch
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16
> Reporter: Philip Harvey
> Assignee: Philip Harvey
> Fix For: Future
>
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Updated] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Keith Wall (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall updated QPID-4121:
-----------------------------
Affects Version/s: 0.18
Fix Version/s: (was: Future)
0.19
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16, 0.17, 0.18
> Reporter: Philip Harvey
> Assignee: Keith Wall
> Fix For: 0.19
>
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Updated] (QPID-4121) ConcurrentModificationException
reported by HouseKeepingTask while closing session
Posted by "Philip Harvey (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Philip Harvey updated QPID-4121:
--------------------------------
Status: Ready To Review (was: In Progress)
> ConcurrentModificationException reported by HouseKeepingTask while closing session
> ----------------------------------------------------------------------------------
>
> Key: QPID-4121
> URL: https://issues.apache.org/jira/browse/QPID-4121
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.16
> Reporter: Philip Harvey
> Assignee: Philip Harvey
> Fix For: Future
>
> Attachments: 0001-QPID-4121-AMQProtocolEngine-now-uses-lock-to-prevent.patch
>
>
> A ConcurrentModificationException was reported by a housekeeping thread while closing a session. It was closing the session because its transaction was open or idle for longer than the configured maximum time.
> Here is the log excerpt:
> {noformat}
> 2012-07-02 19:25:12,210 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@4ca3b645 503084 ms
> 2012-07-02 23:48:41,979 WARN [notifier:VirtualHostHouseKeepingTask] server.AMQChannel (AMQChannel.java:1519) - IDLE TRANSACTION ALERT org.apache.qpid.server
> .logging.subjects.ChannelLogSubject@3b1d0a16 584211 ms
> 2012-07-02 23:48:42,033 ERROR [notifier:VirtualHostHouseKeepingTask] virtualhost.VirtualHostImpl$VirtualHostHouseKeepingTask (VirtualHostImpl.java:407) - Exception in housekeeping for connection: /xxx.xxx.xxx.xx:50639(xxxxx)
> 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}
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