[jira] [Commented] (MSHADE-148) Shade Plugin gets stuck in infinite loop building dependency reduced POM

["Andrew Bayer (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MSHADE-148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16559884#comment-16559884 ] 

Andrew Bayer commented on MSHADE-148:
-------------------------------------

I've hit this myself and have attached {{mshade-148-reproduction-pom.xml}}, which reproduce this with Maven 3.5.4, no source needed etc - it'd presumably happen with any artifact with multiple classifiers, and, since I attached that, I've verified that it happens regardless of scope - removing {{<scope>test</scope>}} makes no difference.

> Shade Plugin gets stuck in infinite loop building dependency reduced POM
> ------------------------------------------------------------------------
>
>                 Key: MSHADE-148
>                 URL: https://issues.apache.org/jira/browse/MSHADE-148
>             Project: Maven Shade Plugin
>          Issue Type: Bug
>    Affects Versions: 2.1
>         Environment: OS X 10.7.5
>            Reporter: Rob Vesse
>            Assignee: Karl Heinz Marbaise
>            Priority: Major
>             Fix For: 2.4.1
>
>         Attachments: MSHADE-148.patch, dependency-reduced-pom.xml, mshade-148-reproduction-pom.xml, pom.xml, shade-bug.txt
>
>
> I have encountered a bug whereby the shade plugin gets stuck in an infinite loop in the step of creating a dependency reduced POM.
> I have attached a minimal POM that reproduces the issue and done some debugging on this.  The problem seems to be caused by using both the jar and test-jar version of a dependency (jena-fuseki in my example) while also including a jar dependency that is a transitive dependency of the other dependencies (jena-arq in my example).   Removing either the jar/test-jar resolves the problem and so does removing the other jar dependency.
> The problem appears to be that the plugin is getting stuck endlessly trying to produce the dependency-reduced-pom.xml
> If I watch the file over time it is repeatedly deleted and rewritten, each time it is written it gets larger.  When I manage to kill the process at a point where the file is non-empty I can see that the plugin is endlessly adding the same set of <exclusions> to one of the jena-fuseki dependencies.



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