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https://issues.apache.org/jira/browse/MSOURCES-143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17804780#comment-17804780
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Rob Vesse commented on MSOURCES-143:
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[~romain.manni-bucau] From my further investigations I'm still unclear that it
is a problem in my project setup.
As far as I was aware I was using a perfectly straightforward configuration for
the {{maven-source-plugin}} that didn't include duplicate plugin invocations.
The bug was provoked by interaction with another plugin in specific
circumstances (activating the implicit release profile during a {{mvn
release:perform}}) that introduced a duplicate invocation unexpectedly.
It may be that I've done things in a non-ideal way, in which case the "fix" for
the issue is for the plugin developers to provide better documentation around
Best Practises for the plugin, document potential gotchas like the release
plugin interaction I've found today etc.
> Can't create a source and test jar in Commons using commons-parent
> ------------------------------------------------------------------
>
> Key: MSOURCES-143
> URL: https://issues.apache.org/jira/browse/MSOURCES-143
> Project: Maven Source Plugin
> Issue Type: Bug
> Affects Versions: 3.3.0
> Reporter: Gary D. Gregory
> Priority: Major
>
> Steps to reproduce:
> # git clone https://gitbox.apache.org/repos/asf/commons-parent.git
> # cd commons-parent
> # git checkout 8d886ce8382f7a79f06d51a3afc386b8a37d0473
> # mvn clean install
> # cd ..
> # git clone https://gitbox.apache.org/repos/asf/commons-cli.git
> # cd commons-cli
> # git checkout 08f8c5034a8492be6db65b2086341c292489ee53
> # mvn clean package
> [INFO] --- source:3.3.0:jar-no-fork (create-source-jar) @ commons-cli ---
> [ERROR] We have duplicated artifacts attached.
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 15.233 s
> [INFO] Finished at: 2023-08-15T15:39:45-04:00
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-source-plugin:3.3.0:jar-no-fork
> (create-source-jar) on project commons-cli: Presumably you have configured
> maven-source-plugn to execute twice times in your build. You have to
> configure a classifier for at least on of them. -> [Help 1]
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