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what is the use of meta-inf directory in weblogic server??

senthil sen
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Joined: Oct 10, 2002
Posts: 184
what is the use of meta-inf directory in weblogic server??
Chris Mathews
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Joined: Jul 18, 2001
Posts: 2712
The META-INF directory is not at all specific to WebLogic.
It is the directory where the MANIFEST.MF of a standard jar is stored. Here is more information: The META-INF directory.
For J2EE components the META-INF directory has other purposes as well depending on the component.
In an ejb-jar the META-INF directory holds the standard ejb deployment descriptor, ejb-jar.xml, and any vendor specific descriptors.
In an ear the META-INF directory holds the standard ear deployment descriptor, application.xml, and any vendor specific descriptors.
A war does not use the META-INF directory but it uses a very similar one named WEB-INF. This is where all of the deployment descriptors and classes for the war are stored.
Again, none of this is specific to WebLogic. It is all standard J2EE packaging.
[ January 25, 2003: Message edited by: Chris Mathews ]
Harshawardhan Deshpande
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Joined: Dec 08, 2011
Posts: 2
One use I know about is versioning of the application.
You can have a look at following url : http://www.oracle.com/webfolder/technetwork/tutorials/obe/fmw/wls/12c/14-Redeployment--4465/redeploy.htm
 
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