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https://issues.apache.org/jira/browse/HDFS-5356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797924#comment-13797924
 ] 

Hadoop QA commented on HDFS-5356:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12608917/HDFS-5356.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.TestFileCreation

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

Test results: 
https://builds.apache.org/job/PreCommit-HDFS-Build/5225//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5225//console

This message is automatically generated.

> MiniDFSCluster shoud close all open FileSystems when shutdown()
> ---------------------------------------------------------------
>
>                 Key: HDFS-5356
>                 URL: https://issues.apache.org/jira/browse/HDFS-5356
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: haosdent
>            Priority: Critical
>         Attachments: HDFS-5356.patch
>
>
> After add some metrics functions to DFSClient, I found that some unit tests 
> relates to metrics are failed. Because MiniDFSCluster are never close open 
> FileSystems, DFSClients are alive after MiniDFSCluster shutdown(). The 
> metrics of DFSClients in DefaultMetricsSystem are still exist and this make 
> other unit tests failed.



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