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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-814) Difficult to diagnose a failed container launch when error due to invalid environment variable
Date Fri, 19 Jul 2013 00:36:48 GMT

    [ https://issues.apache.org/jira/browse/YARN-814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13713181#comment-13713181
] 

Hudson commented on YARN-814:
-----------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #4115 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/4115/])
YARN-814. Improving diagnostics when containers fail during launch due to various reasons
like invalid env etc. Contributed by Jian He. (vinodkv: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1504732)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DefaultContainerExecutor.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/ContainerLaunch.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/TestContainerLaunch.java

                
> Difficult to diagnose a failed container launch when error due to invalid environment
variable
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-814
>                 URL: https://issues.apache.org/jira/browse/YARN-814
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Hitesh Shah
>            Assignee: Jian He
>             Fix For: 2.1.1-beta
>
>         Attachments: YARN-814.1.patch, YARN-814.2.patch, YARN-814.3.patch, YARN-814.4.patch,
YARN-814.5.patch, YARN-814.6.patch, YARN-814.7.patch, YARN-814.patch
>
>
> The container's launch script sets up environment variables, symlinks etc. 
> If there is any failure when setting up the basic context ( before the actual user's
process is launched ), nothing is captured by the NM. This makes it impossible to diagnose
the reason for the failure. 
> To reproduce, set an env var where the value contains characters that throw syntax errors
in bash. 

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