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https://issues.apache.org/jira/browse/AMQ-5811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14582967#comment-14582967
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ASF GitHub Bot commented on AMQ-5811:
-------------------------------------
GitHub user gaohoward opened a pull request:
https://github.com/apache/activemq/pull/112
https://issues.apache.org/jira/browse/AMQ-5811
Added synchronization blocks around sentitive code to
prevent concurrent modification of the HashMap.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gaohoward/activemq master_AMQ-5811
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/activemq/pull/112.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #112
----
commit c3ee94a078b3142a490453f9af38287114b25ef0
Author: Howard Gao <h...@redhat.com>
Date: 2015-06-12T05:22:51Z
https://issues.apache.org/jira/browse/AMQ-5811
Added synchronization blocks around sentitive code to
prevent concurrent modification of the HashMap.
----
> NoSuchElementException during resource adapter shutdown in EAP 6
> ----------------------------------------------------------------
>
> Key: AMQ-5811
> URL: https://issues.apache.org/jira/browse/AMQ-5811
> Project: ActiveMQ
> Issue Type: Bug
> Components: RAR
> Affects Versions: 5.11.1
> Reporter: Howard Gao
> Fix For: 5.12.0
>
>
> After deploying activemq-rar to EAP 6 and starting the server, it sometimes
> gives NoSuchElementException during shutdown, like:
> {quote}
> 17:06:12,471 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) Exception in thread "ResourceAdapterDeploymentService Thread Pool -- 1"
> java.util.NoSuchElementException
> 17:06:12,475 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at java.util.HashMap$HashIterator.nextEntry(HashMap.java:925)
> 17:06:12,475 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at java.util.HashMap$KeyIterator.next(HashMap.java:956)
> 17:06:12,475 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at
> org.apache.activemq.ra.ActiveMQResourceAdapter.stop(ActiveMQResourceAdapter.java:152)
> 17:06:12,478 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at
> org.jboss.as.connector.services.resourceadapters.deployment.AbstractResourceAdapterDeploymentService.unregisterAll(AbstractResourceAdapterDeploymentService.java:188)
> 17:06:12,478 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at
> org.jboss.as.connector.services.resourceadapters.deployment.ResourceAdapterXmlDeploymentService.unregisterAll(ResourceAdapterXmlDeploymentService.java:155)
> 17:06:12,479 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at
> org.jboss.as.connector.services.resourceadapters.deployment.AbstractResourceAdapterDeploymentService$2.run(AbstractResourceAdapterDeploymentService.java:299)
> 17:06:12,480 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 17:06:12,480 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 17:06:12,480 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at java.lang.Thread.run(Thread.java:745)
> 17:06:12,480 ERROR [stderr] (ResourceAdapterDeploymentService Thread Pool --
> 1) at org.jboss.threads.JBossThread.run(JBossThread.java:122)
> {quote}
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