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https://issues.apache.org/jira/browse/HADOOP-7268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13030899#comment-13030899
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Hadoop QA commented on HADOOP-7268:
-----------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12478634/HADOOP-7268.1.patch
against trunk revision 1101199.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+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 core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
+1 system test framework. The patch passed system test framework compile.
Test results:
https://builds.apache.org/hudson/job/PreCommit-HADOOP-Build/420//testReport/
Findbugs warnings:
https://builds.apache.org/hudson/job/PreCommit-HADOOP-Build/420//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/hudson/job/PreCommit-HADOOP-Build/420//console
This message is automatically generated.
> FileContext.getLocalFSFileContext() behavior needs to be fixed w.r.t tokens
> ---------------------------------------------------------------------------
>
> Key: HADOOP-7268
> URL: https://issues.apache.org/jira/browse/HADOOP-7268
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs, security
> Affects Versions: 0.23.0
> Reporter: Devaraj Das
> Assignee: Jitendra Nath Pandey
> Fix For: 0.23.0
>
> Attachments: HADOOP-7268.1.patch
>
>
> FileContext.getLocalFSFileContext() instantiates a FileContext object upon
> the first call to it, and for all subsequent calls returns back that instance
> (a static localFsSingleton object). With security turned on, this causes some
> hard-to-debug situations when that fileContext is used for doing HDFS
> operations. This is because the UserGroupInformation is stored when a
> FileContext is instantiated. If the process in question wishes to use
> different UserGroupInformation objects for different file system operations
> (where the corresponding FileContext objects are obtained via calls to
> FileContext.getLocalFSFileContext()), it doesn't work.
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