A decompiler will be your best friend, not google. Google might give you the solution, but without the code how to you change it? re-assemblying the bytecode by hand?
Or you might want to kiss Sylvain if the source code was distributed along with the binary code ;-)
I found myself in this exact situation last year: the guy who developed the pre-Cocoon version of VNUNET.COM built the site with a CVS snapshot of Lucene (of course using features not available in the previously-released version, and with API changes incompatible with the next), whatever.
A couple of weeks before he left his PC (where he kept the Lucene snapshot) died, and I found myself in the position of having to run on a decompiled version of a JAR to see what he did for MONTHS before I actually found how to rewrite the whole shabang using a release version.
Now, this is (of course) my fault (I should have checked before he left), but having been in the situation of "where the heck are the sources" already, with a system which runs your live server, well, I'm telling you it ain't pretty at all...
Pier
smime.p7s
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