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From Joe Bohn <>
Subject Re: Need help on classloading related problem(What is shared/lib in Apache Geronimo)
Date Fri, 14 Jul 2006 22:20:07 GMT
Hi Sunil,

In Geronimo 1.1 you can add a jar to a shared library in Geronimo by 
doing the following:

-  Add your jars into this location:  <geronimo-install-root>/var/shared/lib

-  Add the following dependency into your geronimo deployment plan:

The sharedlib support is new in Geronimo 1.1.


sunil patil wrote:
> Hi,
> I am trying to install Pluto 1.1 portal server into Geronimo. Till now i 
> am able to get About and Admin portlets working. Both these portlets are 
> part of pluto.war. Now i am facing one classloader related problem when 
> i try to install HelloWorld Portlet in HelloWorld.war (Separate war).
> *Basic Problem* -> I have A.war and B.war they depend on Class1 which is 
> part of 1.jar. What i want is A.war should create object of Class1 and 
> that object should be accessible to class in B.war so where should i put 
> 1.jar and how should i configure both A.war and B.war so that they will 
> be able to look at this class.
> *Detailed Description ->*
> Thing is Pluto portlet has PortalDriverServlet which is controller 
> servlet and is shipped with Pluto.war. When it gets request for 
> HelloWorldportlet it wraps that request in object of 
> which is in pluto-container-1.1.0-dev.jar and 
> sets is as request parameter and passes control to HelloWorldPortlet. 
> Now HelloWOrldPortlet uses
> class for handling request and this is again part of 
> pluto-container-1.1.0-dev.jar. When PlutoServlet tries to get object of 
> from request it throws ClassCastException because 
> both of them have different class loader.
> Till now i tried to
> 1) Create pluto in repository folder containing 
> pluto-container-1.1.0-dev.jar  and add dependencies from both pluto.war 
> and HelloWorldPortlet.war on pluto repository. But in that case i get 
> ClasscastException.
> 2) I tried copying all jars in <Geronimo_Base>/lib and removed 
> dependencies but that does not work either
> 3) I tried copying all jars in <Geronimo_Base>/repository/geronimo/jars 
> and that does not work.
> Can you please let me know what is equivalent of shared/lib in Geronimo. 
> Place where i could copy jars used by more than one application
> Thank You
> Sunil

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