Akira Ajisaka created HADOOP-15927:
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Summary: Add @threadSafe annotation to hadoop-maven-plugins to
enable Maven parallel build
Key: HADOOP-15927
URL: https://issues.apache.org/jira/browse/HADOOP-15927
Project: Hadoop Common
Issue Type: Improvement
Components: build
Reporter: Akira Ajisaka
Maven 3.x can build modules in parallel.
https://cwiki.apache.org/confluence/display/MAVEN/Parallel+builds+in+Maven+3
When trying this feature, got the following warning:
{noformat}
[WARNING] *****************************************************************
[WARNING] * Your build is requesting parallel execution, but project *
[WARNING] * contains the following plugin(s) that have goals not marked *
[INFO]
[WARNING] * as @threadSafe to support parallel building. *
[WARNING] * While this /may/ work fine, please look for plugin updates *
[WARNING] * and/or request plugins be made thread-safe. *
[WARNING] * If reporting an issue, report it against the plugin in *
[WARNING] * question, not against maven-core *
[WARNING] *****************************************************************
[WARNING] The following plugins are not marked @threadSafe in Apache Hadoop
Common:
[WARNING] org.apache.hadoop:hadoop-maven-plugins:3.3.0-SNAPSHOT
[WARNING] Enable debug to see more precisely which goals are not marked
@threadSafe.
[WARNING] *****************************************************************
{noformat}
Let's mark hadoop-maven-plugins as @threadSafe to remove the warning.
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