2010-07-21 12:04:39,877 ERROR [sitemap.handled-errors] (31038029@qtp-19175605-6;/cms/plugins/core/servercomm/messages.xml) Failed to process pipeline
	at <map:serialize type="xml"> - resource://org/ametys/runtime/plugins/core/sitemap.xmap:110:32
	at <map:generate type="dispatcher"> - resource://org/ametys/runtime/plugins/core/sitemap.xmap:109:38
	at <map:mount> - resource://org/ametys/cms/workspace/sitemap.xmap:114:81
org.apache.cocoon.ProcessingException: Failed to process pipeline
	at <map:serialize type="xml"> - resource://org/ametys/runtime/plugins/core/sitemap.xmap:110:32
	at <map:generate type="dispatcher"> - resource://org/ametys/runtime/plugins/core/sitemap.xmap:109:38
	at <map:mount> - resource://org/ametys/cms/workspace/sitemap.xmap:114:81
	at org.apache.cocoon.ProcessingException.throwLocated(ProcessingException.java:145)
    [...]
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
	at java.util.HashMap$KeyIterator.next(HashMap.java:828)
	at java.util.Collections$1.nextElement(Collections.java:3389)
	at org.ametys.runtime.plugins.core.dispatcher.DispatchGenerator._restoreRequestAttributes(DispatchGenerator.java:228)
	at org.ametys.runtime.plugins.core.dispatcher.DispatchGenerator._dispatching(DispatchGenerator.java:211)
	at org.ametys.runtime.plugins.core.dispatcher.DispatchGenerator.generate(DispatchGenerator.java:86)
	at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:579)
	... 64 more