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From "Reynold Xin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-1920) Spark JAR compiled with Java 7 leads to PySpark not working in YARN
Date Wed, 06 May 2015 06:49:00 GMT

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

Reynold Xin updated SPARK-1920:
-------------------------------
    Priority: Blocker  (was: Major)

> 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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