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From Jilles van Gurp <incom...@jillesvangurp.com>
Subject Re: someone familar with this error?
Date Thu, 22 Sep 2005 12:21:08 GMT
Leon Rosenberg wrote:
> starting tomcat:
> 
> 22.09.2005 12:41:27 org.apache.coyote.tomcat5.MapperListener init
> WARNUNG: Error registering contexts
> java.util.ConcurrentModificationException
>         at java.util.HashMap$HashIterator.nextEntry(HashMap.java:782)
>         at java.util.HashMap$EntryIterator.next(HashMap.java:824)
>         at java.util.HashMap.putAllForCreate(HashMap.java:424)
>         at java.util.HashMap.clone(HashMap.java:656)
>         at mx4j.server.DefaultMBeanRepository.clone(DefaultMBeanRepository.java:56)
>         at mx4j.server.MBeanServerImpl.findMBeansByPattern(MBeanServerImpl.java:1603)
>         at mx4j.server.MBeanServerImpl.queryObjectNames(MBeanServerImpl.java:1568)
>         at mx4j.server.MBeanServerImpl.queryMBeans(MBeanServerImpl.java:1512)
>         at org.apache.coyote.tomcat5.MapperListener.init(MapperListener.java:115)
>         at org.apache.coyote.tomcat5.CoyoteConnector.start(CoyoteConnector.java:1510)
> 
> tomcat 5.0.25, jdk1.4, winxp
> 
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> 
> 
> 
Yes, the jmx.jar shipped with tomcat 5.0.2x has a bug that has been 
fixed by the mx4j people. Later tomcat releases (5.0.31? and 5.5.9>) 
include a newer version. The jar file is located in the tomcat bin 
directory and the solution is to download an updated version from

http://mx4j.sourceforge.net/

I think you need the latest 2.x version, not the 3.x version.

BTW. I'd really appreciate a stable 5.0.x release with this fix. This 
little issue has been driving me nuts since I need to fix this manually 
on all deployments of our product on tomcat 5.0.28.

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