NoClassDefFoundError: com/google/common/cache/CacheLoader

[Ivo Bellin Salarin]

Hi all,

I'm developing a new plugin. Which depends on several other plugins.

Everything is fine until I add a further dependency to git-plugin.

When I add this dependency, the tests fail with the following stack (http://pastebin.com/TauPgTf5)

Well, I have found an older post with a similar issue on this ML, but I can't understand the solution.

https://groups.google.com/forum/#!topic/jenkinsci-dev/iUZg2f5v13g

My dependency tree is the following one (http://pastebin.com/ST9K3YYS), but I can find only one occurrence of Guava r09, brought by jgit.

Is there a way to avoid this error? How?

Thanks in advance,

Ivo

[Jesse Glick]

On Thu, Feb 5, 2015 at 8:10 AM, Ivo Bellin Salarin
<ivo.bell...@gmail.com> wrote:
> I can find only one occurrence of Guava r09, brought by jgit.

Then git-client-plugin needs to <exclude> this dependency. Until that
fix is made and released you could perhaps do so in your own plugin.

[Mark Waite]

Jesse,

I'm preparing to release a new version of git-client-plugin this weekend.  

Can you propose a pull request for the exclusion, or send me more hints on the location where the exclusion is required?

Thanks,

Mark Waite

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Thanks!

Mark Waite

[Mark Waite]

On Thu, Feb 5, 2015 at 9:15 AM, Jesse Glick <jgl...@cloudbees.com> wrote:

Are you directly including a dependency on JGit in your plugin?  If so, you might try depending on git-client-plugin only and rely on git-client-plugin's commitment that it will provide jgit and jgit-http-server.

Mark Waite

 

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Thanks!

Mark Waite

[Jesse Glick]

On Thu, Feb 5, 2015 at 8:10 AM, Ivo Bellin Salarin
<ivo.bell...@gmail.com> wrote:

> My dependency tree is the following one (http://pastebin.com/ST9K3YYS), but
> I can find only one occurrence of Guava r09, brought by jgit.

After actually looking at this I see that you are depending on a very
old version of the Git plugin. I do not think a newer version would
pull in this Guava dependency.

[Ivo Bellin Salarin]

My fault. I'm really sorry.

(I was using netbeans mvn autocompletion to fill the dependencies, and I haven't tried to type 2 as first version digit)

Using the latest version of the git plugin (2.3.4) solves the problem.

Thank you.

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[Mark Waite]

You may want to also consider using mvn versions: use-latest--releases to automate the setting of the version numbers in the pom.

Mark Waite

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[Jesse Glick]

On Fri, Feb 6, 2015 at 4:53 AM, Ivo Bellin Salarin
<ivo.bell...@gmail.com> wrote:
> I was using netbeans mvn autocompletion to fill the dependencies, and I
> haven't tried to type 2 as first version digit

Tip:

Tools » Options » Java » Maven » Edit Global Custom Goal Definitions… » Add

Pick a name, and under Execute Goals specify

versions:display-dependency-updates versions:display-plugin-updates
versions:display-property-updates

Does not edit anything but shows you what you should consider editing.