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Struts & Hibernate
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| | | J2EE packaging | J2EE packaging 2003-12-22 - By ashraf galal
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<html><div style='background-color:'><P><BR><BR></P>
<DIV>
<P>To Katz Guy :</P>
<P>Application servers are totally different. so there is no need to wary
about portability between them.</P>
<P>class loader is J2EE specification used for packing and deploying
applications while JNDI used <FONT face="Times New Roman" size=3>for
creating, adding, removing, searching and modifying directory objects. </FONT><
/P>
<P><FONT face="Times New Roman" size=3>so I think this ides is not valid.</FONT
></P>
<P><GUY_KATZ@(protected)><BR><BR></P><BR><BR><BR>
<DIV>Ashraf Galal <BR>(416)804-8359</DIV>>From: Katz Guy <GUY_KATZ@(protected)
.COM>>Reply-To: An interest list for Sun Java Center J2EE Pattern Catalog
<J2EEPATTERNS-INTEREST@(protected)>>To: J2EEPATTERNS-INTEREST@(protected)
>Subject: Re: J2EE packaging >Date: Sun, 21 Dec 2003 08:09:40 +0200 >
>Hi; >I think messing with the classloaders defaults is not a good idea.
You will >eventually have portability problems cause the hierarchies are
different >between app servers.. >You should think of a more creative
idea such as putting this object >(singleton) in the JNDI tree and access it
from both apps >Also, sometimes its not that bad to have two instances of
your object (even >though it's a singleton), especially if it holds read
only data, if this >does not compromise your application logically, it will
just cause some form >of duplication in caching of data. > >----
-Original Message-- -- >From: joe@(protected) [mailto:joe
@(protected)] >Sent: Friday, December 19, 2003 10:07 AM >To:
J2EEPATTERNS-INTEREST@(protected) >Subject: Re: J2EE packaging > >
>Sachin, > >Your problem can be solved by modifying your EAR settings
in WSAD. Like you >say, each war module has by default its own classloader
and is isolated from >the rest of the application. This means that calling
ejb modules from the >war is ok but calling one war from another is not
possible. > >To allow calls into the war from another war, you need to
change the War >classloader policy from MODULE to APPLICATION in the Server
(WebSphere Test >environment) configuration. > >You find this in the
server perspective (I assume you use WSAD 5.x), from >the Server
Configuration view, select the test server you are running on and >open it.
In the Applications tab at the far right of the configuration you >will find
the Application Options. Select the EAR you are running and change >the
War classloader policy. > >Hope this solves your problem. > >Best
regards, >J�rn �lmheim >SCEA >Statoil ASA > >===================
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