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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=27315 java.util.ConcurrentModificationException Summary: java.util.ConcurrentModificationException Product: Tomcat 4 Version: 4.1.30 Platform: PC OS/Version: Other Status: NEW Severity: Major Priority: Other Component: Connector:Coyote HTTP/1.1 AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] Hello, I have recently upgraded from Tomcat 4.1.29 to 4.1.30, primarily to avoid bug #24970. Since the upgraded, everything seems to work OK, but intermittently I get the following error: java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification (AbstractList.java:448) at java.util.AbstractList$Itr.next(AbstractList.java:419) at java.util.AbstractCollection.remove(AbstractCollection.java:254) at org.apache.coyote.RequestGroupInfo.removeRequestProcessor (RequestGroupInfo.java:17) at org.apache.coyote.RequestInfo.setGlobalProcessor(RequestInfo.java:96) at org.apache.coyote.http11.Http11Protocol$MXPoolListener.threadEnd (Http11Protocol.java:620) at org.apache.tomcat.util.threads.ThreadPool.removeThread (ThreadPool.java:279) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run (ThreadPool.java:727) at java.lang.Thread.run(Thread.java:534) The system seems to operate OK even with this issue. I have not made any change to my codebase since the upgrade from 4.1.29 to 4.1.30. I would be grateful if anyone could shed any light on this issue. Kind regards, Minh Tran --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]