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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3579) libhdfs: fix exception handling
Date Wed, 01 Aug 2012 00:54:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13426253#comment-13426253
] 

Hadoop QA commented on HDFS-3579:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12538632/HDFS-3579.006.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/2932//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2932//console

This message is automatically generated.
                
> 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
>         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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