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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8899) Classpath exceeds maximum OS limit
Date Tue, 09 Oct 2012 20:34:03 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472718#comment-13472718
] 

Hadoop QA commented on HADOOP-8899:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12548456/HADOOP-8899.branch-1-win.classpath.patch
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/1591//console

This message is automatically generated.
                
> Classpath exceeds maximum OS limit
> ----------------------------------
>
>                 Key: HADOOP-8899
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8899
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 1-win
>            Reporter: Ahmed El Baz
>         Attachments: HADOOP-8899.branch-1-win.classpath.patch
>
>
> We hit errors in TT due to long classpath value. One example is Oozie trying to start
a hive job, and it fails with the following error:
>  java.io.IOException: Command exceeds the OS command length limit: 8192, command: "set
CLASSPATH="….
> The classpath includes Hadoop Core + Hive Jars which are in the distributed cache. This
is causing the classpath to be too long giving the error above. A viable long term fix is
to generate a temporary JAR file in the task cache directory which includes all elements in
the long classpath, and then provide this as the "-classpath" argument for the JVM to be spawned.
This is gated for Windows only.

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