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https://issues.apache.org/jira/browse/HADOOP-8899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472571#comment-13472571
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Alejandro Abdelnur commented on HADOOP-8899:
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Argh, forgot about that. Maybe in win distributed cache symlinks should be
simulated with copies. Then the proposed approach would work
Alejandro
> 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
>
> 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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