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Review request for Ambari, DIPAYAN BHOWMICK, Jaimin Jetly, Jayush Luniya, Rohit Choudhary, Sumit Mohanty, and venkat sairam. Bugs: AMBARI-22021 https://issues.apache.org/jira/browse/AMBARI-22021 Repository: ambari Description ------- This started failing with ZEPPELIN-2909, which introduces `"className": "org.apache.zeppelin.livy.LivySharedInterpreter". and now Livy fails with following exception;` java.lang.NullPointerException at org.apache.zeppelin.livy.BaseLivyInterpreter.open(BaseLivyInterpreter.java:109) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:69) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:493) at org.apache.zeppelin.scheduler.Job.run(Job.java:175) at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Diffs ----- ambari-server/src/main/resources/common-services/ZEPPELIN/0.7.0/package/scripts/interpreter_json_template.py 6a9891972b Diff: https://reviews.apache.org/r/62461/diff/1/ Testing ------- Manually Thanks, Prabhjyot Singh