I use only Spark interpreter. I printed SPARK_HOME in shell interpreter and that didn't have any issue. I can have just these 2 lines and it will throw error. %pyspark from pyspark import SparkContext
Once I restart Zeppelin daemon from then on no issues. -Thanks Nikhil On Wed, Jul 5, 2017 at 9:46 AM, arpit tak <arpit....@gmail.com> wrote: > Hi Nikhil , > Is it happening only one one interpreter or on all interpreter. > Also share command you writing. > > On Jul 5, 2017, at 9:38 AM, Nikhil Utane <nikhil.subscri...@gmail.com> > wrote: > > > > Hi, > > > > Whenever I create a new notebook and run a paragraph, I get the > NullPointerException error. If I run from an existing notebook then no > problem. > > > > 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) > > > > I workaround the problem by restarting the Zeppelin daemon. Saw other > instances of this error but resolution given was it is fixed in 0.7.2 > version which is what I am using. Anybody else facing the same problem? > Have I missed something in configuration? > > > > Thanks & Regards > > Nikhil > >