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https://issues.apache.org/jira/browse/HDFS-3579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy closed HDFS-3579.
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> libhdfs: fix exception handling
> -------------------------------
>
> Key: HDFS-3579
> URL: https://issues.apache.org/jira/browse/HDFS-3579
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: libhdfs
> Affects Versions: 2.0.1-alpha
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Fix For: 2.0.2-alpha
>
> Attachments: HDFS-3579.004.patch, HDFS-3579.005.patch,
> HDFS-3579.006.patch
>
>
> libhdfs does not consistently handle exceptions. Sometimes we don't free the
> memory associated with them (memory leak). Sometimes we invoke JNI functions
> that are not supposed to be invoked when an exception is active.
> Running a libhdfs test program with -Xcheck:jni shows the latter problem
> clearly:
> {code}
> WARNING in native method: JNI call made with exception pending
> WARNING in native method: JNI call made with exception pending
> WARNING in native method: JNI call made with exception pending
> WARNING in native method: JNI call made with exception pending
> WARNING in native method: JNI call made with exception pending
> Exception in thread "main" java.io.IOException: ...
> {code}
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