[GitHub] spark pull request: [SPARK-14889][Spark Core] scala.MatchError: NO...

[sbcd90]

GitHub user sbcd90 opened a pull request:

    https://github.com/apache/spark/pull/12666

    [SPARK-14889][Spark Core] scala.MatchError: NONE (of class 
scala.Enumeration) when spark.scheduler.mode=NONE

    ## What changes were proposed in this pull request?
    
    Handling exception for the below mentioned issue
    
    ```
    ➜  spark git:(master) ✗ ./bin/spark-shell -c spark.scheduler.mode=NONE
    16/04/25 09:15:00 ERROR SparkContext: Error initializing SparkContext.
    scala.MatchError: NONE (of class scala.Enumeration$Val)
        at org.apache.spark.scheduler.Pool.<init>(Pool.scala:53)
        at 
org.apache.spark.scheduler.TaskSchedulerImpl.initialize(TaskSchedulerImpl.scala:131)
        at 
org.apache.spark.SparkContext$.org$apache$spark$SparkContext$$createTaskScheduler(SparkContext.scala:2352)
        at org.apache.spark.SparkContext.<init>(SparkContext.scala:492)
    ```
    
    The exception now looks like 
    
    ```
    java.lang.RuntimeException: The scheduler mode NONE is not supported by 
Spark.
    ```
    
    
    ## How was this patch tested?
    
    manual tests

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sbcd90/spark schedulerModeIssue

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/12666.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #12666
    
----
commit 9ef0bae174ac2a2d9786adabf110ea09d91e69b5
Author: Subhobrata Dey <sbc...@gmail.com>
Date:   2016-04-25T18:46:31Z

    [SPARK-14889][Spark Core] scala.MatchError: NONE (of class 
scala.Enumeration) when spark.scheduler.mode=NONE

----


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