[jira] [Commented] (HDFS-4626) ClientProtocol#getLinkTarget should throw an exception for non-symlink and non-existent paths

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-4626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13683949#comment-13683949 ] 

Hadoop QA commented on HDFS-4626:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12587911/hdfs-4626-2.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.server.balancer.TestBalancerWithNodeGroup

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/4522//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4522//console

This message is automatically generated.
                
> ClientProtocol#getLinkTarget should throw an exception for non-symlink and non-existent paths
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-4626
>                 URL: https://issues.apache.org/jira/browse/HDFS-4626
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 3.0.0
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>            Priority: Minor
>         Attachments: hadoop-9415-1.patch, hadoop-9415-2.patch, hadoop-9415-3.patch, hdfs-4626-1.patch, hdfs-4626-2.patch
>
>
> {{HdfsFileStatus#getLinkTarget}} can throw a NPE in {{DFSUtil#bytes2String}} if {{symlink}} is null.

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