[JS2-967] Preferences Concurrent Modification Exception

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.1.3
• Fix Version/s: 2.1.4
• Component/s: Portlet Entities and Preferences
• Environment: Jetspeed-2 Performance Test Portal; Websphere/WAS; Oracle; Linux 4-way Server
• Assignee: W. Randall Watler
• Reporter: W. Randall Watler
• Created: 15/Apr/09 02:52
• Updated: 04/Oct/11 21:37
• Resolved: 17/Apr/09 07:11

Description

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)