[jira] Commented: (MNG-2515) The Embedder does not work when started from a groovy script that is started from maven 2

["Jason van Zyl (JIRA)" <ji...@codehaus.org>]

    [ http://jira.codehaus.org/browse/MNG-2515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_88825 ] 

Jason van Zyl commented on MNG-2515:
------------------------------------

So do you want to fork here? I have to experiment but I might be able to make an isolated classloader which doesn't conflict but we could easily fork from the 2.0.4 process.

> The Embedder does not work when started from a groovy script that is started from maven 2
> -----------------------------------------------------------------------------------------
>
>                 Key: MNG-2515
>                 URL: http://jira.codehaus.org/browse/MNG-2515
>             Project: Maven 2
>          Issue Type: Bug
>          Components: Embedding
>    Affects Versions: 2.1
>         Environment: Windows XP, JDK 1.5, Maven 2.0.4
>            Reporter: Christian Domsch
>         Attachments: embedder-it-test.zip
>
>
> The deploymentserver:changestage plugin starts a groovy script that again starts a maven 2.1-SNAPSHOT embedder. This fails due to classloading issues because the classloader for the groovy script contains a thread context classloader a s a parent. This parent classloader contains all classes from the maven 2.0.4 process that started the plugin. The embedder now fails to start because the parent classloader contains conflicting classes from 2.0.4 while the embedder is 2.1-SNAPSHOT.
> The test case in the zip contains the source for the deploymentserver-mojo and the projects that this mojo should operate on. To start the test, install the mojo, and start maven in the productA project with "mvn deploymentserver:changestage".  For this to work the settings.xml must contain
> <pluginGroups>
> 		<pluginGroup>innowake.lifecycle.deployment.engine.plugin</pluginGroup>
> </pluginGroups>
> The zip also contains the groovy jars to be copied in the local repository.
> Greetings,
> Christian.

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