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From Martin Gainty <>
Subject RE: Ant Jar Issue
Date Wed, 14 Oct 2015 00:48:03 GMT
the distinction between compressing using the jar compression algorithm with ant jar task which
employes LZ+HUF

and packaging a signed jar which expects these attributes to be honored
compression algorithm
signature algorithm

to create a signed jar with those attributes use signjar
Martin Gainty 

> From:
> To:
> CC:
> Subject: Ant Jar Issue
> Date: Tue, 13 Oct 2015 16:32:51 +0000
> ​Dear list
> >>The issue:
> When jar-ing a module which contains binary certificate file (auth.p12) on CentOS, with
Ant 1.9.2, it seems the p12 file was corrupted after jar compression. (When reading the cerf
file with InputStream, below exception was thrown)
> Exception message:
> >>The subtle thing:
> BUT, if we open the result jar with 7zip on Windows, drag out the p12 file, then drag
into the jar again, the certificate file can be read without problem by InputStream.
> >>The guess:
> So, 7zip can compress the file correctly, which made me guess it's the jar task which
caused the problem.
> So I use "jar xvf jarfile" to unjar, then "tar xvf myfile.jar *" to "tar a jar file",
and it worked....
> >>The question:
> Have you guys encounter the same issue, or any suggestions.
> Thanks in advance.
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