[jira] [Resolved] (SPARK-1920) Spark JAR compiled with Java 7 leads to PySpark not working in YARN

["Thomas Graves (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-1920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Graves resolved SPARK-1920.
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    Resolution: Duplicate

> Spark JAR compiled with Java 7 leads to PySpark not working in YARN
> -------------------------------------------------------------------
>
>                 Key: SPARK-1920
>                 URL: https://issues.apache.org/jira/browse/SPARK-1920
>             Project: Spark
>          Issue Type: Bug
>          Components: PySpark, YARN
>    Affects Versions: 1.0.0
>            Reporter: Tathagata Das
>            Priority: Blocker
>
> Current (Spark 1.0) implementation of PySpark on Yarn requires python to be able to read Spark assembly JAR. But Spark assembly JAR compiled with Java 7 can sometimes be not readable by python. This can be due to the fact that JARs created by Java 7 with more 2^16 files is encoded in Zip64, which python cant read. 
> [SPARK-1911|https://issues.apache.org/jira/browse/SPARK-1911] warns users from using Java 7 when creating Spark distribution. 
> One way to fix this is to put pyspark in a different smaller JAR than rest of Spark so that it is readable by python.



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