I used R interpreter. I have found the solution. I changed ".get(0)" to
".first()", then the exception is gone (see the following code snippet
in ZeppelinRDisplay.scala:71).

private def textDisplay(body: Element): RDisplay = {
  //RDisplay(body.getElementsByTag("p").get(0).html(), TEXT, SUCCESS)
  RDisplay(body.getElementsByTag("p").first().html(), TEXT, SUCCESS)
}


Regards,

/afancy


On Wed, May 18, 2016 at 8:23 PM, Vinay Shukla <vinayshu...@gmail.com> wrote:

> What is your interpreter for this core? The R interpreter or Livy
> interpreter?
>
> On Wed, May 18, 2016 at 6:59 AM, afancy <grou...@gmail.com> wrote:
>
>> Hi,
>>
>> I encountered the following errors when I ran R
>>
>> %r 2+2
>>
>> How to solve this problem? thanks
>>
>> ERROR [2016-05-18 15:56:25,148] ({pool-2-thread-4} Job.java[run]:189) -
>> Job failed
>> java.lang.NoSuchMethodError:
>> org.jsoup.select.Elements.get(I)Lorg/jsoup/nodes/Element;
>> at
>> org.apache.zeppelin.spark.ZeppelinRDisplay$.textDisplay(ZeppelinRDisplay.scala:71)
>> at
>> org.apache.zeppelin.spark.ZeppelinRDisplay$.render(ZeppelinRDisplay.scala:55)
>> at
>> org.apache.zeppelin.spark.ZeppelinRDisplay.render(ZeppelinRDisplay.scala)
>> at
>> org.apache.zeppelin.spark.SparkRInterpreter.interpret(SparkRInterpreter.java:146)
>> at
>> org.apache.zeppelin.interpreter.ClassloaderInterpreter.interpret(ClassloaderInterpreter.java:57)
>> at
>> org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:93)
>> at
>> org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:345)
>> at org.apache.zeppelin.scheduler.Job.run(Job.java:176)
>> 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)
>>
>> /afancy
>>
>
>

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