[ZEPPELIN-2108] Livy interpreter job cancellation throws NPE

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.7.0
• Fix Version/s: 0.7.1, 0.8.0
• Component/s: zeppelin-interpreter
• Assignee: Jeff Zhang
• Reporter: Kshitij Badani
• Created: 13/Feb/17 21:57
• Updated: 19/Feb/17 18:22
• Resolved: 19/Feb/17 18:22

Description

Try to run a long running paragraph with %livy interpreter. While the paragraph is running, try to click on cancel button (little pause sign on the paragraph). After a few seconds, it cancels running the paragraph. But also throws following NPE

java.lang.NullPointerException
at org.apache.zeppelin.livy.BaseLivyInterprereter.getResultFromStatementInfo(BaseLivyInterprereter.java:302)
at org.apache.zeppelin.livy.BaseLivyInterprereter.interpret(BaseLivyInterprereter.java:257)
at org.apache.zeppelin.livy.BaseLivyInterprereter.interpret(BaseLivyInterprereter.java:140)
at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:94)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:495)
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)

Issue Links

• links to: GitHub Pull Request #2025