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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 52607] It is not well defined how "Dependencies on extensions" mechanism can be used in Tomcat
Date Wed, 08 Feb 2012 20:14:22 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=52607

--- Comment #2 from Mark Thomas <markt@apache.org> 2012-02-08 20:14:22 UTC ---
I've done some svn archaeology and r302820 is most enlightening.

Originally, only java.ext.dirs was supported. r302820 was the start of exposing
the common and shared class loaders to the validation mechanism.

I don't see any intention of providing a separate directory. Given that the
spec says that extensions have to be loaded by the shared class loader, I also
don't see any benefit in having an additional system property. It is simpler
for users just to modify the class path for the shared (or common - it meets
the requirements of the spec too) class loader.

However, the problem remains that the ExtensionValidator will not find the JARs
in the shared or common class loaders. That certainly needs to be fixed.

I guess that is the long way of saying I think 2 is the way to go.

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