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https://issues.apache.org/jira/browse/SLING-9656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler closed SLING-9656.
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> gracefully handle scenarios where the AggregateFeaturesMojo gets invoked more
> than once during the build
> --------------------------------------------------------------------------------------------------------
>
> Key: SLING-9656
> URL: https://issues.apache.org/jira/browse/SLING-9656
> Project: Sling
> Issue Type: Bug
> Affects Versions: slingfeature-maven-plugin 1.3.6
> Reporter: Eric Norman
> Assignee: Eric Norman
> Priority: Major
> Fix For: OSGi Feature Maven Plugin 1.4.2
>
>
> If I combine the "eclipse:eclipse" goal with the "install" or "verify" goal
> in the same mvn command line, it results in an error about a duplicate
> feature file. The "aggregate-features" goal is getting called twice during
> this build scenario and not handling it well.
>
> For example:
> {quote}_org-apache-sling-launchpad-testing $_ *mvn clean eclipse:eclipse
> verify*{quote}
>
> Results in this error:
> {quote}{color:#ff0000}[ERROR] Failed to execute goal
> org.apache.sling:slingfeature-maven-plugin:1.3.6:aggregate-features
> (aggregate-features) on project org.apache.sling.launchpad.testing: Execution
> aggregate-features of goal
> org.apache.sling:slingfeature-maven-plugin:1.3.6:aggregate-features failed:
> More than one feature file for classifier testing-oak_tar in project
> org.apache.sling:org.apache.sling.launchpad.testing:jar:12-SNAPSHOT :
> [aggregate testing-oak_tar, aggregate testing-oak_tar] -> [Help
> 1]{color}{quote}
>
> A workaround is to run the "eclipse:eclipse" goal and the "install" or
> "verify goal in separate runs.
> Additional info from [~rombert] from the mailing list is below:
> {quote}Why this happens:
> - the eclipse:eclipse invocation invokes the lifecycle phase generate-
> resources [5]
> - the AggregateFeaturesMojo is bound to the generate-resources phase as
> well [6]
> - when running `mvn clean eclipse:eclipse install` the generate-
> resources phase is invoked twice, and it seems that the features are
> aggregated twice
> I think the most reasonable solution would be for the slingfeature-
> maven-plugin to handle this gracefully, as it fails also when executing
> $ mvn generate-resources generate-resources
> {quote}
> {quote}[5]:
> [https://maven.apache.org/plugins/maven-eclipse-plugin/eclipse-mojo.html]
> [6]:
> [https://github.com/apache/sling-slingfeature-maven-plugin/blob/6d2918f1c0e8b3162a826149e9ba4bfd475c9216/src/main/java/org/apache/sling/feature/maven/mojos/AggregateFeaturesMojo.java#L47-L51]
> {quote}
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