Hi,

take a look at this enforcer rule:
http://mojo.codehaus.org/extra-enforcer-rules/banDuplicateClasses.html

Robert

Op Sun, 05 Apr 2015 19:57:07 +0200 schreef Kevin Burton <bur...@spinn3r.com>:

Im looking for a somewhat easy way to tell if a directory of .jar files
contains class reference which conflict.

For example,org/xml/sax/XMLReader.class from two incompatible versions.

I wrote a simple command that does a find and then a "jar tf" to list the
contents, then I sort by the filename, but this creates false positives in
the case where the files are actually the same .class file version.

I think I could just use SHA1 to detect this … if the SHA1 is identical I
can just ignore it.

Of course a WAY better way to do this would be some sort of maven plugin
that looked at all dependencies and generated errors/warnings if you add a
dependency with class conflicts.  That would be sweet.

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