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List:       tomcat-user
Subject:    Re: Sharing an object between two webapps
From:       Kaspar Fischer <fischerk () inf ! ethz ! ch>
Date:       2007-11-26 11:20:28
Message-ID: C1DAC492-C9BF-47F3-A9F6-00F486C9CCED () inf ! ethz ! ch
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On 23.11.2007, at 17:43, Caldarale, Charles R wrote:

>> From: Kaspar Fischer [mailto:fischerk@inf.ethz.ch]
>> Subject: Re: Sharing an object between two webapps
>>
>> The class SharedObjectHolder from my previous post lies inside the
>> JAR webapps/A/WEB-INF/lib/SharedObjectHolder.jar.
>
> Move it to shared/lib; do not leave a copy in WEB-INF/lib or any other
> location, including B's WEB-INF/lib directory.
>
>> In order to make A's JARs available to webapp B, I've set
>>    shared.loader=${catalina.base}/shared/classes,${catalina.base}/
>> shared/lib/*.jar,${catalina.base}/webapps/A/WEB-INF/lib/*.jar
>
> I wouldn't mess with that - pretty much guaranteed to cause confusion
> and collisions with the webapp's classsloader.  Put it back the way it
> was.
>
>  - Chuck

Chuck, many thanks again. Your help and another insight into
the "crossContext" attribute of Tomcat allowed me to find a
solution. Thanks for your time!

The deails for my particular application are documented here:

   http://wiki.alfresco.com/wiki/ 
Alfresco_and_Tapestry_on_the_Same_Tomcat_Installation

I hope this helps others that need to do a similar thing.

Kaspar

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