[ 
https://issues.apache.org/jira/browse/LIVY-647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

jiewang updated LIVY-647:
-------------------------
    Description: 
- batch session should not be gc-ed until application is finished *** FAILED 
*** (50 milliseconds)
 org.mockito.exceptions.misusing.UnfinishedStubbingException: Unfinished 
stubbing detected here:
 -> at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1.org$apache$livy$sessions$SessionManagerSpec$$anonfun$$changeStateAndCheck$1(SessionManagerSpec.scala:129)
 E.g. thenReturn() may be missing.
 Examples of correct stubbing:
 when(mock.isOk()).thenReturn(true);
 when(mock.isOk()).thenThrow(exception);
 doThrow(exception).when(mock).someVoidMethod();
 Hints:
 1. missing thenReturn()
 2. you are trying to stub a final method, you naughty developer!
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1.org$apache$livy$sessions$SessionManagerSpec$$anonfun$$changeStateAndCheck$1(SessionManagerSpec.scala:129)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$org$apache$livy$sessions$SessionManagerSpec$$anonfun$$testSessionGC$1$1.apply(SessionManagerSpec.scala:141)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$org$apache$livy$sessions$SessionManagerSpec$$anonfun$$testSessionGC$1$1.apply(SessionManagerSpec.scala:135)
 at scala.collection.immutable.List.foreach(List.scala:392)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1.org$apache$livy$sessions$SessionManagerSpec$$anonfun$$testSessionGC$1(SessionManagerSpec.scala:135)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply$mcV$sp(SessionManagerSpec.scala:108)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply(SessionManagerSpec.scala:98)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply(SessionManagerSpec.scala:98)
 at 
org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
 at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
 ...

 

please reference to 
https://travis-ci.org/runzhiwang/incubator-livy/builds/575627338

  was:
- batch session should not be gc-ed until application is finished *** FAILED 
*** (50 milliseconds)
 org.mockito.exceptions.misusing.UnfinishedStubbingException: Unfinished 
stubbing detected here:
 -> at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1.org$apache$livy$sessions$SessionManagerSpec$$anonfun$$changeStateAndCheck$1(SessionManagerSpec.scala:129)
 E.g. thenReturn() may be missing.
 Examples of correct stubbing:
 when(mock.isOk()).thenReturn(true);
 when(mock.isOk()).thenThrow(exception);
 doThrow(exception).when(mock).someVoidMethod();
 Hints:
 1. missing thenReturn()
 2. you are trying to stub a final method, you naughty developer!
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1.org$apache$livy$sessions$SessionManagerSpec$$anonfun$$changeStateAndCheck$1(SessionManagerSpec.scala:129)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$org$apache$livy$sessions$SessionManagerSpec$$anonfun$$testSessionGC$1$1.apply(SessionManagerSpec.scala:141)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$org$apache$livy$sessions$SessionManagerSpec$$anonfun$$testSessionGC$1$1.apply(SessionManagerSpec.scala:135)
 at scala.collection.immutable.List.foreach(List.scala:392)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1.org$apache$livy$sessions$SessionManagerSpec$$anonfun$$testSessionGC$1(SessionManagerSpec.scala:135)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply$mcV$sp(SessionManagerSpec.scala:108)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply(SessionManagerSpec.scala:98)
 at 
org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply(SessionManagerSpec.scala:98)
 at 
org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
 at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
 ...

 


> Travis failed on "batch session should not be gc-ed until application is 
> finished"
> ----------------------------------------------------------------------------------
>
>                 Key: LIVY-647
>                 URL: https://issues.apache.org/jira/browse/LIVY-647
>             Project: Livy
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 0.6.0
>            Reporter: jiewang
>            Priority: Major
>
> - batch session should not be gc-ed until application is finished *** FAILED 
> *** (50 milliseconds)
>  org.mockito.exceptions.misusing.UnfinishedStubbingException: Unfinished 
> stubbing detected here:
>  -> at 
> org.apache.livy.sessions.SessionManagerSpec$$anonfun$1.org$apache$livy$sessions$SessionManagerSpec$$anonfun$$changeStateAndCheck$1(SessionManagerSpec.scala:129)
>  E.g. thenReturn() may be missing.
>  Examples of correct stubbing:
>  when(mock.isOk()).thenReturn(true);
>  when(mock.isOk()).thenThrow(exception);
>  doThrow(exception).when(mock).someVoidMethod();
>  Hints:
>  1. missing thenReturn()
>  2. you are trying to stub a final method, you naughty developer!
>  at 
> org.apache.livy.sessions.SessionManagerSpec$$anonfun$1.org$apache$livy$sessions$SessionManagerSpec$$anonfun$$changeStateAndCheck$1(SessionManagerSpec.scala:129)
>  at 
> org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$org$apache$livy$sessions$SessionManagerSpec$$anonfun$$testSessionGC$1$1.apply(SessionManagerSpec.scala:141)
>  at 
> org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$org$apache$livy$sessions$SessionManagerSpec$$anonfun$$testSessionGC$1$1.apply(SessionManagerSpec.scala:135)
>  at scala.collection.immutable.List.foreach(List.scala:392)
>  at 
> org.apache.livy.sessions.SessionManagerSpec$$anonfun$1.org$apache$livy$sessions$SessionManagerSpec$$anonfun$$testSessionGC$1(SessionManagerSpec.scala:135)
>  at 
> org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply$mcV$sp(SessionManagerSpec.scala:108)
>  at 
> org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply(SessionManagerSpec.scala:98)
>  at 
> org.apache.livy.sessions.SessionManagerSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply(SessionManagerSpec.scala:98)
>  at 
> org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
>  at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
>  ...
>  
> please reference to 
> https://travis-ci.org/runzhiwang/incubator-livy/builds/575627338



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