[jira] [Created] (ZEPPELIN-170) NullPointer Exception creating sparkContext

["Natraj Srinivasan (JIRA)" <ji...@apache.org>]

Natraj Srinivasan created ZEPPELIN-170:
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             Summary: NullPointer Exception creating sparkContext
                 Key: ZEPPELIN-170
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-170
             Project: Zeppelin
          Issue Type: Bug
          Components: Core
    Affects Versions: 0.6.0
         Environment: CentOS release 6.4
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                4

            Reporter: Natraj Srinivasan
            Priority: Minor


I am getting NPE while I am trying to run a simple job on zeppelin. Looks like the spark context is not getting initialized. I am running it on yarn

Here's a simple program which I am trying to execute in the notebook
sc.parallelize(range(1000)).count()

Exception below
at org.apache.spark.deploy.yarn.ApplicationMaster$.sparkContextInitialized(ApplicationMaster.scala:580) at org.apache.spark.scheduler.cluster.YarnClusterScheduler.postStartHook(YarnClusterScheduler.scala:32) at org.apache.spark.SparkContext.<init>(SparkContext.scala:541) at org.apache.zeppelin.spark.SparkInterpreter.createSparkContext(SparkInterpreter.java:301) at org.apache.zeppelin.spark.SparkInterpreter.getSparkContext(SparkInterpreter.java:146) at org.apache.zeppelin.spark.SparkInterpreter.open(SparkInterpreter.java:423) at org.apache.zeppelin.interpreter.ClassloaderInterpreter.open(ClassloaderInterpreter.java:74) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:68) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:92) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:276) at org.apache.zeppelin.scheduler.Job.run(Job.java:170) at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:118) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) 



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