The message is clear that you are setting both spark.driver.extraJavaOptions and SPARK_JAVA_OPTS. Please check spark-defaults.conf and interpreter setting.
Best Regard, Jeff Zhang From: kant kodali <kanth...@gmail.com<mailto:kanth...@gmail.com>> Reply-To: "users@zeppelin.apache.org<mailto:users@zeppelin.apache.org>" <users@zeppelin.apache.org<mailto:users@zeppelin.apache.org>> Date: Sunday, April 23, 2017 at 1:58 PM To: "users@zeppelin.apache.org<mailto:users@zeppelin.apache.org>" <users@zeppelin.apache.org<mailto:users@zeppelin.apache.org>> Subject: Re: java.lang.NullpointerException FYI: I am using Spark Standalone mode On Sat, Apr 22, 2017 at 10:57 PM, kant kodali <kanth...@gmail.com<mailto:kanth...@gmail.com>> wrote: Hi All, I get the below stack trace when I am using Zeppelin. If I don't use Zeppelin all my client Jobs are running fine. I am using spark 2.1.0 I am not sure why Zeppelin is unable to create a SparkContext ? but then it says it created SparkSession so it doesn't seem to make a lot of sense. any idea? Thanks! Caused by: org.apache.spark.SparkException: Found both spark.driver.extraJavaOptions and SPARK_JAVA_OPTS. Use only the former. at org.apache.spark.SparkConf$$anonfun$validateSettings$6$$anonfun$apply$5.apply(SparkConf.scala:521) at org.apache.spark.SparkConf$$anonfun$validateSettings$6$$anonfun$apply$5.apply(SparkConf.scala:519) at scala.collection.immutable.List.foreach(List.scala:381) at org.apache.spark.SparkConf$$anonfun$validateSettings$6.apply(SparkConf.scala:519) at org.apache.spark.SparkConf$$anonfun$validateSettings$6.apply(SparkConf.scala:505) at scala.Option.foreach(Option.scala:257) at org.apache.spark.SparkConf.validateSettings(SparkConf.scala:505) at org.apache.spark.SparkContext.<init>(SparkContext.scala:365) at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2258) at org.apache.spark.sql.SparkSession$Builder$$anonfun$8.apply(SparkSession.scala:831) at org.apache.spark.sql.SparkSession$Builder$$anonfun$8.apply(SparkSession.scala:823) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:823) ... 20 more INFO [2017-04-23 05:17:08,467] ({pool-2-thread-2} SparkInterpreter.java[createSparkSession]:372) - Created Spark session ERROR [2017-04-23 05:17:08,467] ({pool-2-thread-2} Job.java[run]:181) - Job failed java.lang.NullPointerException at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:38) at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:33) at org.apache.zeppelin.spark.SparkInterpreter.createSparkContext_2(SparkInterpreter.java:391) at org.apache.zeppelin.spark.SparkInterpreter.createSparkContext(SparkInterpreter.java:380) at org.apache.zeppelin.spark.SparkInterpreter.getSparkContext(SparkInterpreter.java:146) at org.apache.zeppelin.spark.SparkInterpreter.open(SparkInterpreter.java:828) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:70) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:483) at org.apache.zeppelin.scheduler.Job.run(Job.java:175) at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) INFO [2017-04-23 05:17:08,475] ({pool-2-thread-2} SchedulerFactory.java[jobFinished]:137) - Job remoteInterpretJob_1492924623730 finished by scheduler org.apache.zeppelin.spark.SparkInterpreter1233713905
