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https://issues.apache.org/jira/browse/HDFS-14321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16783769#comment-16783769
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Hudson commented on HDFS-14321:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #16119 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/16119/])
HDFS-14321. Fix -Xcheck:jni issues in libhdfs, run ctest with (weichiu: rev
cb0fa0ce3f1d836080d68d527ce0659ce0e33e8c)
* (edit) hadoop-hdfs-project/hadoop-hdfs-native-client/pom.xml
* (edit)
hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfs/hdfs.c
> Fix -Xcheck:jni issues in libhdfs, run ctest with -Xcheck:jni enabled
> ---------------------------------------------------------------------
>
> Key: HDFS-14321
> URL: https://issues.apache.org/jira/browse/HDFS-14321
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs-client, libhdfs, native
> Reporter: Sahil Takiar
> Assignee: Sahil Takiar
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-14321.001.patch
>
>
> The JVM exposes an option called {{-Xcheck:jni}} which runs various checks
> against JNI usage by applications. Further explanation of this JVM option can
> be found in:
> [https://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/clopts002.html]
> and
> [https://www.ibm.com/support/knowledgecenter/en/SSYKE2_8.0.0/com.ibm.java.vm.80.doc/docs/jni_debug.html].
> When run with this option, the JVM will print out any warnings or errors it
> encounters with the JNI.
> We should run the libhdfs tests with {{-Xcheck:jni}} (can be added to
> {{LIBHDFS_OPTS}}) and fix any warnings / errors. We should add this option to
> our ctest runs as well to ensure no regressions are introduced to libhdfs.
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