java.lang.SecurityException: no manifest section for signature file entry

Question

I have tried suggestions in other threads but they don\'t help me. When I run my jar by java -jar -BigJar.jar I receive exception :

Exception in t

Answer 1

It seems like you might be inlcuding the jars twice. First with the zipgroupfilesets and then again with a series of zipfilesets.

You could probably remove the zipgroupfilesets.

I believe there is also a problem in your excludes. You could change it to this:

Or this:

See http://ant.apache.org/manual/Types/fileset.html (zipfileset is a form of fileset) for more information on that.

On another note, something like this might simplify things a bit:

I adapted this from the example at http://ant.apache.org/manual/Tasks/jar.html under the "Merging archives" section.