Hello.

You need to install knitr pacakge and some other packages[1] to run R
interpreter properly.

Hope this helps.

[1]
http://zeppelin.apache.org/docs/0.7.0-SNAPSHOT/interpreter/r.html

2016-10-21 21:56 GMT+09:00 VIVEK NARAYANASETTY <vive....@gmail.com>:

> Hi,
>
> I am getting below error when testing R interpreter. Any thoughts ?
>
> %r 2+2
>
> 16/10/21 18:22:53 ERROR Job: Job failed
> java.lang.RuntimeException: Error in library("knitr"): there is no package
> called 'knitr'
>
>         at org.apache.zeppelin.spark.ZeppelinR.request(ZeppelinR.java:254)
>         at org.apache.zeppelin.spark.ZeppelinR.eval(ZeppelinR.java:179)
>         at org.apache.zeppelin.spark.SparkRInterpreter.open(
> SparkRInterpreter.java:86)
>         at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(
> LazyOpenInterpreter.java:69)
>         at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(
> LazyOpenInterpreter.java:93)
>         at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$
> InterpretJob.jobRun(RemoteInterpreterServer.java:341)
>         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)
>
> --
> Thanks & Regards
> *Vivek Narayanasetty*
>
>
>
>
> *Go Green: Think before you print this e-mail or its attachment. You can
> save paper if you do not really need to print.*
>

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