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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6491) Environment variable handling assumes values should be appended
Date Sun, 04 Oct 2015 11:32:27 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14942646#comment-14942646
] 

Hadoop QA commented on MAPREDUCE-6491:
--------------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  28m 49s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 1 new
or modified test files. |
| {color:green}+1{color} | javac |   8m 57s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m  3s | There were no new javadoc warning messages.
|
| {color:red}-1{color} | release audit |   0m 16s | The applied patch generated 1 release
audit warnings. |
| {color:red}-1{color} | checkstyle |   2m 46s | The applied patch generated  1 new checkstyle
issues (total was 176, now 173). |
| {color:red}-1{color} | checkstyle |   3m 19s | The applied patch generated  4 new checkstyle
issues (total was 517, now 521). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 30s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   6m  0s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | common tests |   8m 13s | Tests passed in hadoop-common. |
| {color:green}+1{color} | mapreduce tests |   0m 46s | Tests passed in hadoop-mapreduce-client-common.
|
| {color:green}+1{color} | mapreduce tests |   1m 47s | Tests passed in hadoop-mapreduce-client-core.
|
| {color:green}+1{color} | yarn tests |   1m 58s | Tests passed in hadoop-yarn-common. |
| | |  72m 49s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12764933/YARN-2369-10.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 3b85bd7 |
| Release Audit | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6052/artifact/patchprocess/patchReleaseAuditProblems.txt
|
| checkstyle |  https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6052/artifact/patchprocess/diffcheckstylehadoop-common.txt
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6052/artifact/patchprocess/diffcheckstylehadoop-mapreduce-client-core.txt
|
| hadoop-common test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6052/artifact/patchprocess/testrun_hadoop-common.txt
|
| hadoop-mapreduce-client-common test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6052/artifact/patchprocess/testrun_hadoop-mapreduce-client-common.txt
|
| hadoop-mapreduce-client-core test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6052/artifact/patchprocess/testrun_hadoop-mapreduce-client-core.txt
|
| hadoop-yarn-common test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6052/artifact/patchprocess/testrun_hadoop-yarn-common.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6052/testReport/
|
| Java | 1.7.0_55 |
| uname | Linux asf903.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6052/console |


This message was automatically generated.

> Environment variable handling assumes values should be appended
> ---------------------------------------------------------------
>
>                 Key: MAPREDUCE-6491
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6491
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.2.0
>            Reporter: Jason Lowe
>            Assignee: Dustin Cote
>         Attachments: YARN-2369-1.patch, YARN-2369-10.patch, YARN-2369-2.patch, YARN-2369-3.patch,
YARN-2369-4.patch, YARN-2369-5.patch, YARN-2369-6.patch, YARN-2369-7.patch, YARN-2369-8.patch,
YARN-2369-9.patch
>
>
> When processing environment variables for a container context the code assumes that the
value should be appended to any pre-existing value in the environment.  This may be desired
behavior for handling path-like environment variables such as PATH, LD_LIBRARY_PATH, CLASSPATH,
etc. but it is a non-intuitive and harmful way to handle any variable that does not have path-like
semantics.



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