users@jersey.java.net

[Jersey] Re: How to use a specific version of Jersey with your EAR, if appserver includes an older version of Jersey

From: Marek Potociar <marek.potociar_at_oracle.com>
Date: Tue, 08 Mar 2011 14:52:28 +0100

Did you try to follow the Jersey users guide that talks about how to override Jersey in GF?

http://jersey.java.net/nonav/documentation/latest/user-guide.html#d4e1868

Marek

On 03/07/2011 05:14 PM, Leo Romanoff wrote:
> Hi,
>
> I'm facing the following problem.
>
> I have an EAR file that uses the latest version of Jersey. If I build the
> EAR to include the latest Jersey libs, it deploys just fine on those builds
> of the GF application server, which do not contain Jersey libs by default.
>
> Unfortunately, some of the GF builds that are used by our customer in
> production include older versions of Jersey. In this case, EAR deployment
> fails due to incompatibilities and conflicts between Jersey versions.
>
> I've read this explanations about upgrading Jersey on Glassfish:
> http://jersey.java.net/nonav/documentation/latest/glassfish.html ,
> but it assumes that I'm allowed to modify Glassfish settings or even the
> global libs directory, which is not the case in my scenario ;-(
>
> I'd like to be able to use the required version of Jersey with my EAR file
> even if Glassfish already provides its own Jersey. And I'd like to achieve
> it only by means of creation of a proper EAR (eventually with some special
> descriptors, etc). Is it possible???
>
> I was thinking e.g. about using Maven shade plugin with its relocate
> feature:
> http://maven.apache.org/plugins/maven-shade-plugin/examples/class-relocation.html
> http://www.javabeat.net/articles/185-apache-maven-20-maven-plugins-3.html
>
> I guess, with it the class renaming should not be an issue. But I'm not so
> sure about different XML descriptors and the like. I have the feeling, that
> Jersey internally uses some string constants which refer original Jersey's
> class or package names and they would stop working properly after renaming.
> Or am I wrong and someone managed to use this renaming trick with Jersey?
>
> I'm very interested in any suggestions!
>
> Thanks,
> Leo
>
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