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https://issues.apache.org/jira/browse/YARN-316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13561269#comment-13561269
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Bikas Saha commented on YARN-316:
---------------------------------

If its not too much work, could you try using 
http://commons.apache.org/lang/api-release/org/apache/commons/lang3/text/StrSubstitutor.html
 instead of writing a custom string substitutor. Dont bother if its going to be 
a lot of effort.

What prompted this change in MiniYarnCluster?
{code}
             + "-" + dirType + "Dir-nm-" + index + "_" + i);
-        dirs[i].mkdir();
+        dirs[i].mkdirs();
{code}

Do we still need to use SimpleNames after using symlink?

Is there a JIRA to make the env substitution work for branch-1-win when 
creating the classpath manifest? What about * expansion?
                
> YARN container launch may exceed maximum Windows command line length due to 
> long classpath
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-316
>                 URL: https://issues.apache.org/jira/browse/YARN-316
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 3.0.0, trunk-win
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>         Attachments: YARN-316-branch-trunk-win.1.patch, 
> YARN-316-branch-trunk-win.2.patch
>
>
> On Windows, a command line longer than 8192 characters will fail.  This can 
> cause YARN container launch to fail on Windows if the classpath argument 
> exceeds this limit.

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