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https://issues.apache.org/jira/browse/JS2-986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Randy Watler resolved JS2-986.
------------------------------
Resolution: Fixed
Unable to reproduce issue locally using single or multiple core systems running
Tomcat6/JDK6.
Added synchronized protection to PAM NodeManager component to prevent multiple
thread access to backing files and/or PA version hash map.
Commit: 771461
> PAM NodeManager operation not thread-safe
> -----------------------------------------
>
> Key: JS2-986
> URL: https://issues.apache.org/jira/browse/JS2-986
> Project: Jetspeed 2
> Issue Type: Bug
> Components: Deployment
> Affects Versions: 2.2.0
> Environment: Demo
> Tomcat 6/JDK6
> Multiprocessor Linux
> Reporter: Randy Watler
> Assignee: Randy Watler
> Fix For: 2.2.0
>
>
> Exceptions received during deployment:
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
> at java.util.HashMap$EntryIterator.next(HashMap.java:851)
> at java.util.HashMap$EntryIterator.next(HashMap.java:849)
> at java.util.HashMap.writeObject(HashMap.java:1016)
> at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
> at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at
> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:962)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1478)
> at
>
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1409)
> at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1167)
> at
> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:343)
> at
> org.apache.jetspeed.cluster.NodeManagerImpl.save(NodeManagerImpl.java:73)
> at
>
> org.apache.jetspeed.cluster.NodeManagerImpl.addNode(NodeManagerImpl.java:142)
> at
>
> org.apache.jetspeed.tools.pamanager.PortletApplicationManager.registerPortletApplication(PortletApplicationManager.java:388)
> at
>
> org.apache.jetspeed.tools.pamanager.PortletApplicationManager.attemptStartPA(PortletApplicationManager.java:528)
> at
>
> org.apache.jetspeed.tools.pamanager.PortletApplicationManager.tryStartPortletApplication(PortletApplicationManager.java:244)
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