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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7718) DFSClient objects created by AbstractFileSystem objects created by FileContext are not closed and results in thread leakage
Date Mon, 02 Feb 2015 20:26:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14301862#comment-14301862
] 

Hadoop QA commented on HDFS-7718:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12695994/HDFS-7718.1.patch
  against trunk revision 52575ff.

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

    {color:green}+1 tests included{color}.  The patch appears to include 6 new or modified
test files.

    {color:red}-1 javac{color:red}.  The patch appears to cause the build to fail.

Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9398//console

This message is automatically generated.

> DFSClient objects created by AbstractFileSystem objects created by FileContext are not
closed and results in thread leakage
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7718
>                 URL: https://issues.apache.org/jira/browse/HDFS-7718
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>         Attachments: HDFS-7718.1.patch
>
>
> Currently, the {{FileContext}} class used by clients such as (for eg. {{YARNRunner}})
creates a new {{AbstractFilesystem}} object on initialization.. which creates a new {{DFSClient}}
object.. which in turn creates a KeyProvider object.. If Encryption is turned on, and https
is turned on, the keyprovider implementation (the {{KMSClientProvider}}) will create a {{ReloadingX509TrustManager}}
thread per instance... which are never killed and can lead to a thread leak



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