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From "Randy Watler (JIRA)" <jetspeed-...@portals.apache.org>
Subject [jira] Created: (JS2-967) Preferences Concurrent Modification Exception
Date Wed, 15 Apr 2009 02:53:15 GMT
Preferences Concurrent Modification Exception
---------------------------------------------

                 Key: JS2-967
                 URL: https://issues.apache.org/jira/browse/JS2-967
             Project: Jetspeed 2
          Issue Type: Bug
          Components: Portlet Entities and Preferences
    Affects Versions: 2.1.3
         Environment: Jetspeed-2 Performance Test Portal
Websphere/WAS
Oracle
Linux 4-way Server
            Reporter: Randy Watler
            Assignee: Randy Watler
            Priority: Minor
             Fix For: 2.1.4


The following stack trace occurs multiple times, (~5), during long running load tests:

[4/14/09 11:36:05:492 PDT] 00000862 WebApp        A   SRVE0181I: [j2pt#j2pt-app.war] [/j2pt-app]
[Servlet.LOG]: JetspeedContaine
rServlet: Error rendering portlet "j2pt-app::PrefsFileContentLarge": java.util.ConcurrentModificationException:
concurrent acces
s to HashMap attempted by Thread[WebContainer : 2111,5,main]: java.util.ConcurrentModificationException:
concurrent access to Ha
shMap attempted by Thread[WebContainer : 2111,5,main]
        at java.util.HashMap.onExit(HashMap.java:226)
        at java.util.HashMap.transfer(HashMap.java:690)
        at java.util.HashMap.resize(HashMap.java:676)
        at java.util.HashMap.addEntry(HashMap.java:1049)
        at java.util.HashMap.put(HashMap.java:561)
        at org.apache.jetspeed.components.portletentity.PortletEntityImpl.getPreferenceSet(PortletEntityImpl.java:154)
        at org.apache.jetspeed.components.portletentity.PortletEntityImpl.getPreferenceSet(PortletEntityImpl.java:139)
        at org.apache.pluto.core.impl.PortletPreferencesImpl.<init>(PortletPreferencesImpl.java:72)
        at org.apache.pluto.factory.impl.PortletPreferencesFactoryImpl.getPortletPreferences(PortletPreferencesFactoryImpl.java:39)
        at org.apache.pluto.factory.PortletObjectAccess.getPortletPreferences(PortletObjectAccess.java:127)
        at org.apache.pluto.core.impl.RenderRequestImpl.getPreferences(RenderRequestImpl.java:74)
        at com.onehippo.jetspeed.portlets.FileContentPortlet.doView(FileContentPortlet.java:32)


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