Hi, I'm stuck.
I think I've localized the problem. I get non-obvious NPE when I try to add
3rd party jars to spark interpreter using any approach metioned in
documentation.
Zeppelin works fine for me when I just read text (no external dependencies
needed.)
2017-06-26 23:29 GMT+02:00 Richard Xin <richardxin...@yahoo.com>:
> just try to understand the comment in the code:
> // Some case, scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call throws
> an NPE
>
> what are the "Some case", it sounds like Zeppelin developers are not sure
> how it happened and how to prevent it?
>
> I am trying to make a strong case for my company to switch from other
> notebook application to Zeppelin, Zeppelin looks good and only this issue
> concerns me.
>
> I'm looking forward for any insights, thanks.
> On Monday, June 26, 2017, 11:56:45 AM PDT, Serega Sheypak <
> serega.shey...@gmail.com> wrote:
>
>
> Hi, I have more or less the same symptom
>
>
> if (Utils.isScala2_10()) {
> binder = (Map<String, Object>) getValue("_binder");
> } else {
> binder = (Map<String, Object>) getLastObject();
> }
> binder.put("sc", sc); // EXCEPTION HERE
>
>
> java.lang.NullPointerException at org.apache.zeppelin.spark.
> SparkInterpreter.open(SparkInterpreter.java:887) at org.apache.zeppelin.
> interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:70) at
> org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$
> InterpretJob.jobRun(RemoteInterpreterServer.java:489) at
> org.apache.zeppelin.scheduler.Job.run(Job.java:181) at
> org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139)
> at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
>
> I'm going to check this one stuff:
> https://stackoverflow.com/questions/43289067/getting-
> nullpointerexception-when-running-spark-code-in-zeppelin-0-7-1
>
>
> 2017-06-26 20:41 GMT+02:00 Richard Xin <richardxin...@yahoo.com>:
>
> Anyone?
>
>
>
> On Thursday, June 22, 2017, 3:00:01 PM PDT, Richard Xin <
> richardxin...@yahoo.com> wrote:
>
>
> apache/zeppelin
> <https://github.com/apache/zeppelin/blob/master/spark/src/main/java/org/apache/zeppelin/spark/SparkInterpreter.java#L1294>
>
> apache/zeppelin
>
> zeppelin - Mirror of Apache Zeppelin
>
> <https://github.com/apache/zeppelin/blob/master/spark/src/main/java/org/apache/zeppelin/spark/SparkInterpreter.java#L1294>
>
> in the code I see // Some case, scala.tools.nsc.interpreter.
> IMain$ReadEvalPrint.call throws an NPE
>
> We had issues that Zeppelin note errored out immediately without any hint
> messages, and we are seeing this NPE in the spark_interpreter log (Zeppelin
> 0.7.1 on AWS EMR cluster). can someone explain what's the likely cause for
> this error and how to prevent it from happening again?
>
> Thanks,
>
>
>
