how to debug zeppelin, I am trying a simple command - It's giving error.
val df = sqlContext.sql("show databases")
cannot recognize input near 'val' 'df' '='; line 1 pos 0 '
set zeppelin.spark.sql.stacktrace = true to see full stacktrace
there are a few options, here's a great article by one of our engineers https://community.hortonworks.com/articles/70658/how-to-diagnose-zeppelin.html
to see it in action, here's a short article that demonstrates remote debug in action http://lresende.blogspot.com/2016/08/launching-apache-zeppelin-in-debug-mode.html
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