[jira] [Commented] (MAPREDUCE-3844) Problem in setting the childTmpDir in MapReduceChildJVM

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

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205006#comment-13205006 ] 

Hadoop QA commented on MAPREDUCE-3844:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12514026/MAPREDUCE-3844.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 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 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 failed these unit tests:
                  org.apache.hadoop.yarn.util.TestLinuxResourceCalculatorPlugin

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1831//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1831//console

This message is automatically generated.
                
> Problem in setting the childTmpDir in MapReduceChildJVM
> -------------------------------------------------------
>
>                 Key: MAPREDUCE-3844
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3844
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0, 0.23.1
>            Reporter: Ahmed Radwan
>            Assignee: Ahmed Radwan
>         Attachments: MAPREDUCE-3844.patch
>
>
> We have seen this issue during a Hive test. Where Hive tries to create a temp file using File.createTempFile(..) and it throws:
> {code}
> Exception in thread "main" java.io.IOException: No such file or directory
> 	at java.io.UnixFileSystem.createFileExclusively(Native Method)
> 	at java.io.File.checkAndCreate(File.java:1704)
> 	at java.io.File.createTempFile(File.java:1792)
> 	at java.io.File.createTempFile(File.java:1828)
> 	at Test.main(Test.java:13)
> {code}
> Because it literally sees "$PWD/tmp" as the temp directory path.
> $PWD need to be evaluated before being used in setting the property "java.io.tmpdir" in MapReduceChildJVM.java.

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