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https://issues.apache.org/jira/browse/SPARK-25930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16673602#comment-16673602
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Apache Spark commented on SPARK-25930:
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User 'skonto' has created a pull request for this issue:
https://github.com/apache/spark/pull/22931
> Fix scala version string detection when maven-help-plugin is not pre-installed
> ------------------------------------------------------------------------------
>
> Key: SPARK-25930
> URL: https://issues.apache.org/jira/browse/SPARK-25930
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes
> Affects Versions: 2.4.0, 3.0.0
> Reporter: Stavros Kontopoulos
> Priority: Minor
>
> This line
> [https://github.com/apache/spark/blob/c71db43e11fb90d6675421604ad29f596f2b8bfe/resource-managers/kubernetes/integration-tests/dev/dev-run-integration-tests.sh#L32]
> detects the scala version based on the line that does not contain character
> `[`
> All lines contain text in brackets besides the scala version:
> [WARNING] Failed to retrieve plugin descriptor for
> org.eclipse.m2e:lifecycle-mapping:1.0.0: Plugin
> org.eclipse.m2e:lifecycle-mapping:1.0.0 or one of its dependencies could not
> be resolved: Failure to find org.eclipse.m2e:lifecycle-mapping:jar:1.0.0 in
> https://repo.maven.apache.org/maven2 was cached in the local repository,
> resolution will not be reattempted until the update interval of central has
> elapsed or updates are forced
> [INFO]
> 2.11
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Reactor Summary:
> [INFO]
> [INFO] Spark Project Parent POM 3.0.0-SNAPSHOT ............ SUCCESS [ 0.446 s]
> [INFO] Spark Project Tags ................................. SKIPPED
> [INFO] Spark Project Sketch ............................... SKIPPED
>
> If the plugin is not installed several lines will be added to the output :
> [INFO] --- maven-help-plugin:2.1.1:evaluate (default-cli) @ spark-parent_2.11
> ---
> Downloading from central:
> [https://repo.maven.apache.org/maven2/org/apache/maven/plugin-tools/maven-plugin-tools-api/2.4.3/maven-plugin-tools-api-2.4.3.pom]
> This will mess with the logic above and the scala version will be wrong
> failing the tests.
> We should only pick the last string. Although tests are run now manually,
> this should be fixed.
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