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https://issues.apache.org/jira/browse/HADOOP-19779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18050729#comment-18050729
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ASF GitHub Bot commented on HADOOP-19779:
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cnauroth commented on PR #8173:
URL: https://github.com/apache/hadoop/pull/8173#issuecomment-3726593683
Hello @sjlee . I think this would have helped make it clearer that trunk has
gone to Java 17+.
> Use enforcer to fail fast if building with Java <17
> ---------------------------------------------------
>
> Key: HADOOP-19779
> URL: https://issues.apache.org/jira/browse/HADOOP-19779
> Project: Hadoop Common
> Issue Type: Improvement
> Components: build
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Major
> Labels: pull-request-available
>
> Now that trunk has gone to Java 17, we've had some reports of confusion when
> accidentally building with a down-level Java. It goes into the
> hadoop-annotations build and reports the --add-modules compiler option isn't
> recognized, but it doesn't do anything to indicate that root cause is the
> Java version. We can improve on this by updating our enforcer plugin rules to
> check for Java 17+ and fail with an error message clearly pointing out the
> Java version.
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