Hi Dave,

Could you paste the full stacktrace ? You can find it in the spark
interpreter log file which is located in ZEPPELIN_HOME/logs

Xun Liu <neliu...@163.com> 于2019年3月15日周五 上午8:21写道:

> Hi
>
> You can first execute a simple statement in spark, through sparksql, to
> see if it can run normally in YARN.
> If sparksql is running without problems, check the zeppelin and spark on
> yarn issues.
>
> Also, what do you use for zeppelin-0.7.4? zeppelin-0.8.2? Is it a branch
> that you maintain yourself?
>
> 在 2019年3月15日,上午6:31,Dave Boyd <db...@incadencecorp.com> 写道:
>
> All:
>
>    I have some code that worked fine in Zeppelin 0.7.4 but I am having
> issues in 0.8.2 when going from spark master of local to yarn-client.  Yarn
> client worked in 0.7.4.
>
> When my master is set to local[*] it runs just fine.  However, as soon as
> I switch to yarn-client I get the Cannot call methods on a stopped
> SparkContext error.   In looking at my yarn logs everything creates fine
> and the job finishes without an error.  The executors start just fine
> from what I get out of yarn logs.
>
> Any suggestions on where to look?   This happens with any note that trys
> to run spark.
>
> If I try this very simple code:
>
> // Spark Version
> spark.version
>
> I get this error:
>
> java.lang.IllegalStateException: Spark context stopped while waiting for
> backend at
> org.apache.spark.scheduler.TaskSchedulerImpl.waitBackendReady(TaskSchedulerImpl.scala:614)
> at
> org.apache.spark.scheduler.TaskSchedulerImpl.postStartHook(TaskSchedulerImpl.scala:169)
> at org.apache.spark.SparkContext.<init>(SparkContext.scala:567) at
> org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2313) at
> org.apache.spark.sql.SparkSession$Builder$$anonfun$6.apply(SparkSession.scala:868)
> at
> org.apache.spark.sql.SparkSession$Builder$$anonfun$6.apply(SparkSession.scala:860)
> at scala.Option.getOrElse(Option.scala:121) at
> org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:860)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498) at
> org.apache.zeppelin.spark.BaseSparkScalaInterpreter.spark2CreateContext(BaseSparkScalaInterpreter.scala:259)
> at
> org.apache.zeppelin.spark.BaseSparkScalaInterpreter.createSparkContext(BaseSparkScalaInterpreter.scala:178)
> at
> org.apache.zeppelin.spark.SparkScala211Interpreter.open(SparkScala211Interpreter.scala:89)
> at
> org.apache.zeppelin.spark.NewSparkInterpreter.open(NewSparkInterpreter.java:102)
> at
> org.apache.zeppelin.spark.SparkInterpreter.open(SparkInterpreter.java:62)
> at
> org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:69)
> at
> org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:616)
> at org.apache.zeppelin.scheduler.Job.run(Job.java:188) at
> org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:140)
> at java.util.concurrent.Executors$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:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
>
> What am I missing?
>
> --
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> ============
> David W. Boyd
> VP,  Data Solutions
> 10432 Balls Ford, Suite 240
> Manassas, VA 20109
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-- 
Best Regards

Jeff Zhang

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