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https://issues.apache.org/jira/browse/IMPALA-7489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17254298#comment-17254298
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Joe McDonnell commented on IMPALA-7489:
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We have done some runs with this flag in the past, but this is not enabled by
default.
> Run tests with -Xcheck:jni enabled for debug mode
> -------------------------------------------------
>
> Key: IMPALA-7489
> URL: https://issues.apache.org/jira/browse/IMPALA-7489
> Project: IMPALA
> Issue Type: Bug
> Components: Infrastructure
> Reporter: Todd Lipcon
> Priority: Major
>
> -Xcheck:jni is a JVM flag which enables some extra checking of usage of JNI
> calls. This can find misusage of the JNI API which might otherwise result in
> hard-to-debug or hard-to-reproduce crashes/bugs. We should enable it when
> running end-to-end tests on DEBUG mode builds, and probably enable it all the
> time for Java test runs.
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