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From "nirav patel (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-9515) Creating JavaSparkContext throws NPE
Date Wed, 05 Aug 2015 23:23:04 GMT

     [ https://issues.apache.org/jira/browse/SPARK-9515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

nirav patel updated SPARK-9515:
-------------------------------
    Description: 
I have spark application that runs agains YARN cluster. I run spark application as part of
my web application. I can't use spark-submit script. Way I run it is `java -cp myApp.jar com.myapp.Application`
which in turn initiate JavaSparkContext. It used to work with spark 1.0.2 and standalone cluster
but now with 1.3.1 and yarn its failing.

Caused by: java.lang.NullPointerException
	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.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:61)

EDIT:

Application is design is, we create singleton SparkContext object and preload few RDDs in
memory when our spring-boot application(tomcat container) starts. 


  was:
I have spark application that runs agains YARN cluster. I run spark application as part of
my web application. I can't use spark-submit script. Way I run it is `java -cp myApp.jar com.myapp.Application`
which in turn initiate JavaSparkContext. It used to work with spark 1.0.2 and standalone cluster
but now with 1.3.1 and yarn its failing.

Caused by: java.lang.NullPointerException
	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.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:61)



> Creating JavaSparkContext throws NPE
> ------------------------------------
>
>                 Key: SPARK-9515
>                 URL: https://issues.apache.org/jira/browse/SPARK-9515
>             Project: Spark
>          Issue Type: Bug
>          Components: Java API
>    Affects Versions: 1.3.1
>            Reporter: nirav patel
>
> I have spark application that runs agains YARN cluster. I run spark application as part
of my web application. I can't use spark-submit script. Way I run it is `java -cp myApp.jar
com.myapp.Application` which in turn initiate JavaSparkContext. It used to work with spark
1.0.2 and standalone cluster but now with 1.3.1 and yarn its failing.
> Caused by: java.lang.NullPointerException
> 	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.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:61)
> EDIT:
> Application is design is, we create singleton SparkContext object and preload few RDDs
in memory when our spring-boot application(tomcat container) starts. 



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