Github user spektom commented on the issue: https://github.com/apache/zeppelin/pull/1447 @gss2002 are you using latest code from the branch? I can't find org.apache.zeppelin.livy.LivyHelper.interpretInput(LivyHelper.java:189) invocation at org.apache.zeppelin.livy.LivySparkInterpreter.interpret(LivySparkInterpreter.java:106) as it's shown in your stack trace.
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