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https://issues.apache.org/jira/browse/HBASE-22801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16901113#comment-16901113
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Duo Zhang commented on HBASE-22801:
-----------------------------------
{quote}
Docker Mode
In Docker mode, ${HOME}/.m2 is shared amongst all invocations. If
--mvn-custom-repos is used, all of --mvn-custom-repos-dir is shared with all
invocations. The per-instance directory will be calculated and configured after
Docker has launched.
{quote}
Is this the problem?
> Maven build issue on Github PRs
> -------------------------------
>
> Key: HBASE-22801
> URL: https://issues.apache.org/jira/browse/HBASE-22801
> Project: HBase
> Issue Type: Bug
> Components: build
> Reporter: Peter Somogyi
> Assignee: Peter Somogyi
> Priority: Major
>
> PreCommit job for GitHub pull requests started to fail frequently with maven
> issues.
> {noformat}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-install-plugin:2.5.2:install (default-install)
> on project hbase-http: Failed to install metadata
> org.apache.hbase:hbase-http/maven-metadata.xml: Could not parse metadata
> /home/jenkins/.m2/repository/org/apache/hbase/hbase-http/maven-metadata-local.xml:
> in epilog non whitespace content is not allowed but got a (position: END_TAG
> seen ...</metadata>\na... @12:2) -> [Help 1]{noformat}
> The local .m2 repository might be used by concurrent builds.
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