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https://issues.apache.org/jira/browse/MSHADE-195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15405806#comment-15405806
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Christian Andersson A commented on MSHADE-195:
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Christian
> createSourcesJar with source:jar-no-fork causes sources.jar to be deployed
> twice, causing the build to fail
> -----------------------------------------------------------------------------------------------------------
>
> Key: MSHADE-195
> URL: https://issues.apache.org/jira/browse/MSHADE-195
> Project: Maven Shade Plugin
> Issue Type: Bug
> Affects Versions: 2.3, 2.4
> Reporter: Esko Luontola
> Assignee: Christian Schulte
> Fix For: 2.4.3
>
> Attachments: MSHADE-195-example.zip
>
>
> The workaround described in https://issues.apache.org/jira/browse/MSHADE-120
> (i.e. running maven-source-plugin's jar-no-fork goal before shading) causes
> the problem that Maven will install and deploy the same sources.jar file
> twice:
> {noformat}
> [INFO] --- maven-install-plugin:2.5.2:install (default-install) @
> pricing-client ---
> [INFO] Installing xxx/pricing-client/target/pricing-client-0-SNAPSHOT.jar to
> xxx/pricing-client/0-SNAPSHOT/pricing-client-0-SNAPSHOT.jar
> [INFO] Installing xxx/pricing-client/target/dependency-reduced-pom.xml to
> xxx/pricing-client/0-SNAPSHOT/pricing-client-0-SNAPSHOT.pom
> [INFO] Installing
> xxx/pricing-client/target/pricing-client-0-SNAPSHOT-sources.jar to
> xxx/pricing-client/0-SNAPSHOT/pricing-client-0-SNAPSHOT-sources.jar
> [INFO] Installing
> xxx/pricing-client/target/pricing-client-0-SNAPSHOT-sources.jar to
> xxx/pricing-client/0-SNAPSHOT/pricing-client-0-SNAPSHOT-sources.jar
> {noformat}
> With maven-install-plugin this doesn't matter that much, but with
> maven-deploy-plugin it *fails the build*, because it tries to upload the
> sources.jar twice to the Maven repository and _Nexus doesn't allow that_:
> {noformat}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-deploy-plugin:2.8.2:deploy (default-deploy) on
> project project: Failed to deploy artifacts: Could not transfer artifact
> xxx.availability:availability-client:jar:sources:1.0.24 from/to xxx-releases
> (http://xxx/nexus/content/repositories/releases): Failed to transfer file:
> http://xxx/nexus/content/repositories/releases/xxxx/availability/availability-client/1.0.24/availability-client-1.0.24-sources.jar.
> Return code is: 400, ReasonPhrase: Bad Request.
> {noformat}
> I'm suspecting this to be something like the maven-source-plugin and
> maven-shade-plugin both attaching the same sources.jar to the build, when
> only one of them should do it. This problem only happens with the sources jar
> and not the main artifact, so a trick similar to replacing the main artifact
> is needed also for the sources jar.
> h4. Workaround
> Configure maven-source-plugin with {{<attach>false</attach>}}. Then the shade
> plugin will find the sources and include them in the shaded sources jar, but
> the sources jar won't be attached to the build twice.
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