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https://issues.apache.org/jira/browse/MSHADE-154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16438867#comment-16438867
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Igor Dvorzhak commented on MSHADE-154:
--------------------------------------
I found workaround, you need to package both main jar and jar with classifier
and then detach main jar from project after shading:
{code:xml}
<!-- Package both main jar and jar with classifier -->
<plugin>
<artifactId>maven-jar-plugin</artifactId>
<goals>
<goal>jar</goal>
</goals>
<executions>
<execution>
<id>classifier-jar</id>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>${classifier}</classifier>
</configuration>
</execution>
</executions>
</plugin>
<!-- Shade main jar -->
<plugin>
<artifactId>maven-shade-plugin</artifactId>
. . .
</plugin>
<!-- Remove main jar from project after shading -->
<plugin>
<groupId>org.codehaus.gmaven</groupId>
<artifactId>gmaven-plugin</artifactId>
<executions>
<execution>
<id>remove-primary-artifact</id>
<phase>package</phase>
<goals>
<goal>execute</goal>
</goals>
<configuration>
<source>project.getArtifact().setFile(null)</source>
</configuration>
</execution>
</executions>
</plugin>
{code}
> Add ability for shade to find primary artifact from attached artifacts
> (similar to assembly-plugin)
> ---------------------------------------------------------------------------------------------------
>
> Key: MSHADE-154
> URL: https://issues.apache.org/jira/browse/MSHADE-154
> Project: Maven Shade Plugin
> Issue Type: New Feature
> Affects Versions: 2.0
> Environment: all
> Reporter: Richard Sand
> Priority: Major
> Attachments: patch.txt, patch139and154.txt
>
>
> When switching from assembly-plugin to shade-plugin for a given project, I
> discovered that the shade plugin did not have the capability of using an
> attached artifact as the primary artifact - only the project's main artifact
> was supported.
> I've attached changes to add a configuration parameter
> "alternativeInputClassifier", which, when specified, tells the plugin to look
> for an artifact with the specified classifier in the project attachments, and
> to use that as the primary artifact. This makes shade behave similar to
> assembly-plugin, and allows shade to recognize attached artifacts generated
> by previous plugins in a maven execution.
> This was a trivial change, but required modifying several other classes and
> methods to accept the "primary" artifact as a parameter instead of a global
> variable. IMHO these changes are good for the plugin as a whole, as it will
> allow for future flexibility and logic for determining the entrypoint for the
> plugin (e.g. being able to run as a standalone goal with a specific artifact
> as input).
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