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List:       tomcat-user
Subject:    RE: Sharing an object between two webapps
From:       "Caldarale, Charles R" <Chuck.Caldarale () unisys ! com>
Date:       2007-11-23 16:17:35
Message-ID: 2828B04F0113CD468E6D1D51DF4362A40408AD38 () USEA-EXCH2 ! na ! uis ! unisys ! com
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> From: Kaspar Fischer [mailto:fischerk@inf.ethz.ch] 
> Subject: Sharing an object between two webapps
> 
> I guess this is related to classloaders, but do not know how 
> to proceed.

You are correct in that it's related to classloaders, but the specific
answer depends on the version of Tomcat you're using, which you didn't
tell us.  Look at the docs for the appopriate level:
http://tomcat.apache.org/tomcat-6.0-doc/class-loader-howto.html
http://tomcat.apache.org/tomcat-5.5-doc/class-loader-howto.html

Make sure that access to such shared data is properly synchronized, or
you'll continue to have problems.

 - Chuck


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