RE: exception followed by performance issues

The ConcurrentModificationException is a known bug in 0.7.6,
and has been fixed for 0.7.7. Not sure that it would cause
performance problems though.
Can you restart the server, and if so, does performance improve?

> -----Original Message-----
> From: openjms-user-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org 
> [mailto:openjms-user-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On Behalf 
> Of Datacom - Marcelo
> Sent: Wednesday, 30 November 2005 11:26 PM
> To: [email protected]
> Subject: [openjms-user] exception followed by performance issues
> 
> Hi, We are having performance issues with openjms, we think 
> it is related with application's load average. Here is the 
> error (after this error the application's performance decrease) :
> 
> INFO   | jvm 1    | 2005/11/29 11:45:01 | OpenJMS 0.7.6.1
> INFO   | jvm 1    | 2005/11/29 11:45:01 | The OpenJMS Group. (C) 
> 1999-2004. All rights reserved.
> INFO   | jvm 1    | 2005/11/29 11:45:01 | 
> http://openjms.sourceforge.net
> INFO   | jvm 1    | 2005/11/29 16:30:57 | Exception in thread 
> "LeaseManagerReaper" java.util.ConcurrentModificationException
> INFO   | jvm 1    | 2005/11/29 16:30:57 |     at 
> java.util.LinkedList$ListItr.checkForComodification(Unknown Source)
> INFO   | jvm 1    | 2005/11/29 16:30:57 |     at 
> java.util.LinkedList$ListItr.next(Unknown Source)
> INFO   | jvm 1    | 2005/11/29 16:30:57 |     at 
> org.exolab.jms.messagemgr.TopicDestinationCache.resolveExpired
> Message(TopicDestinationCache.java:381)
> INFO   | jvm 1    | 2005/11/29 16:30:57 |     at 
> org.exolab.jms.messagemgr.DestinationCache.onLeaseExpired(Dest
> inationCache.java:398)
> INFO   | jvm 1    | 2005/11/29 16:30:57 |     at 
> org.exolab.jms.messagemgr.MessageLeaseHelper.onLeaseExpired(Me
> ssageLeaseHelper.java:266)
> INFO   | jvm 1    | 2005/11/29 16:30:57 |     at 
> org.exolab.jms.lease.BaseLease.notifyLeaseExpired(BaseLease.java:161)
> INFO   | jvm 1    | 2005/11/29 16:30:57 |     at 
> org.exolab.jms.lease.LeaseManager.expire(LeaseManager.java:291)
> INFO   | jvm 1    | 2005/11/29 16:30:57 |     at 
> org.exolab.jms.lease.LeaseManager.run(LeaseManager.java:246)
> INFO   | jvm 1    | 2005/11/29 16:30:57 |     at 
> java.lang.Thread.run(Unknown Source)
> 
> --
> MARCELO Ribeiro
> 
> 
> 
> 
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