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From Douglas Seifert <>
Subject RE: Extending Server.xml configurability (for additional classpat hs)
Date Tue, 28 Aug 2001 19:45:12 GMT

For a description of the MANIFEST.MF file format, look here:

Since a .war file is kind of a jar, I don't see any reason not to adopt the
META-INF/MANIFEST.MF Class-Path: extension mechanism, unless it is
specifically prohibited by the spec.

> 1) can the manifest be placed in an "open" or "expanded" .war 
> archive (I'm
> not sure of the terminology; whatever it is where have 
> separate folders,
> rather than a single .war file).

That would be a requirement, yes.  The WebAppClassloader should look for
META-INF/MANIFEST.MF files in unexpanded .war files as well as expanded
ones.  Ideally, it should not only look at the web app's
META-INF/MANIFEST.MF, but also the META-INF/MANIFEST.MF of any jars in
WEB-INF/lib.  This could also be done recursively if you want to get
fanatical about it.

> 2) can this manifest be easily edited to add/change/remove 
> class paths (i.e.
> with a regular text editor)?

It is a simple properties file, so, yes, a text editor can handle it.


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