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https://issues.apache.org/jira/browse/LENS-1234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15395421#comment-15395421
 ] 

Amareshwari Sriramadasu commented on LENS-1234:
-----------------------------------------------

[~raju.bairishetti] In the following code should the CountDownLatch be created 
with count 4 instead of 3 ?

{code}
      latch = new CountDownLatch(3);
      log.info("Sending session opened  event: {}", sessionOpenedEvent);
      service.notifyEvent(sessionOpenedEvent);
      log.info("Sending session restored event: {}", sessionRestored);
      service.notifyEvent(sessionRestored);
      latch.await(5, TimeUnit.SECONDS);
      assertTrue(genericEventListener.processed);
      assertTrue(sessionOpenedListener.processed);
      assertTrue(sessionRestoredListener.processed);
{code}
There are two events. So two counts for genericEventListener and 1 for 
sessionOpenedListener and 1 for sessionRestoredListener ?

> Intermittent Test Failure TestEventService.testSesionHandleEvent 
> -----------------------------------------------------------------
>
>                 Key: LENS-1234
>                 URL: https://issues.apache.org/jira/browse/LENS-1234
>             Project: Apache Lens
>          Issue Type: Bug
>            Reporter: Puneet Gupta
>
> Failed
> org.apache.lens.server.query.TestEventService.testSesionHandleEvent (from 
> TestSuite)
> Failing for the past 1 build (Since Unstable#736 )
> Took 9 ms.
> Error Message
> expected [true] but found [false]
> Stacktrace
> java.lang.AssertionError: expected [true] but found [false]
>       at org.testng.Assert.fail(Assert.java:94)
>       at org.testng.Assert.failNotEquals(Assert.java:494)
>       at org.testng.Assert.assertTrue(Assert.java:42)
>       at org.testng.Assert.assertTrue(Assert.java:52)
>       at 
> org.apache.lens.server.query.TestEventService.testSesionHandleEvent(TestEventService.java:379)
> Standard Output
> 26 Jul 2016 06:21:05 [5605c2b6-82ce-4d18-8a1f-bbd6e34fd514] 
> [LogStatisticsStore_AsyncThread-1] INFO  
> org.apache.lens.server.stats.event.query.QueryExecutionStatistics - 
> {"eventTime":1469514065970,"submissionTime":0,"startTime":0,"endTime":0,"eventId":"queryExecutionStatistics"}
> 26 Jul 2016 06:21:05 [logid] [main] INFO  
> org.apache.lens.server.query.TestEventService - Sending session opened  
> event: SessionOpened(super=SessionEvent(sessionHandle=<?xml version="1.0" 
> encoding="UTF-8" 
> standalone="yes"?><lensSessionHandle><publicId>7161bdbb-e78e-44b8-8bce-eaf03cd33b92</publicId><secretId>b8cb4af7-fe48-470a-89da-124dde5ea26d</secretId></lensSessionHandle>,
>  id=9d0274a6-12e7-4c2d-bcb3-f8cf332ed4af), user=user)
> 26 Jul 2016 06:21:05 [logid] [main] INFO  
> org.apache.lens.server.query.TestEventService - Sending session restored 
> event: SessionRestored(super=SessionEvent(sessionHandle=<?xml version="1.0" 
> encoding="UTF-8" 
> standalone="yes"?><lensSessionHandle><publicId>7161bdbb-e78e-44b8-8bce-eaf03cd33b92</publicId><secretId>b8cb4af7-fe48-470a-89da-124dde5ea26d</secretId></lensSessionHandle>,
>  id=4b43c5aa-fdf3-49a5-b3bf-29c33f44e628))
> 26 Jul 2016 06:21:05 [5605c2b6-82ce-4d18-8a1f-bbd6e34fd514] 
> [GenericEventListener_AsyncThread-1] INFO  
> org.apache.lens.server.query.TestEventService - LensEvent: TEST_EVENT
> 26 Jul 2016 06:21:05 [5605c2b6-82ce-4d18-8a1f-bbd6e34fd514] 
> [GenericEventListener_AsyncThread-1] INFO  
> org.apache.lens.server.query.TestEventService - LensEvent: 
> 56eef420-08f9-4aa1-9c00-55e105772b3c
> 26 Jul 2016 06:21:05 [5605c2b6-82ce-4d18-8a1f-bbd6e34fd514] 
> [GenericEventListener_AsyncThread-1] INFO  
> org.apache.lens.server.query.TestEventService - LensEvent: 
> queryExecutionStatistics
> 26 Jul 2016 06:21:05 [fdb6b23f-a94e-4591-a4ee-e1f83ce144d2] 
> [Event_Service_Thread-10] INFO  org.apache.lens.server.query.TestEventService 
> - Session opened: SessionOpened(super=SessionEvent(sessionHandle=<?xml 
> version="1.0" encoding="UTF-8" 
> standalone="yes"?><lensSessionHandle><publicId>7161bdbb-e78e-44b8-8bce-eaf03cd33b92</publicId><secretId>b8cb4af7-fe48-470a-89da-124dde5ea26d</secretId></lensSessionHandle>,
>  id=9d0274a6-12e7-4c2d-bcb3-f8cf332ed4af), user=user)
> 26 Jul 2016 06:21:05 [fdb6b23f-a94e-4591-a4ee-e1f83ce144d2] 
> [Event_Service_Thread-10] INFO  org.apache.lens.server.query.TestEventService 
> - Session restored: SessionRestored(super=SessionEvent(sessionHandle=<?xml 
> version="1.0" encoding="UTF-8" 
> standalone="yes"?><lensSessionHandle><publicId>7161bdbb-e78e-44b8-8bce-eaf03cd33b92</publicId><secretId>b8cb4af7-fe48-470a-89da-124dde5ea26d</secretId></lensSessionHandle>,
>  id=4b43c5aa-fdf3-49a5-b3bf-29c33f44e628))
> 26 Jul 2016 06:21:05 [5605c2b6-82ce-4d18-8a1f-bbd6e34fd514] 
> [GenericEventListener_AsyncThread-1] INFO  
> org.apache.lens.server.query.TestEventService - LensEvent: 
> 9d0274a6-12e7-4c2d-bcb3-f8cf332ed4af
> 26 Jul 2016 06:21:05 [5605c2b6-82ce-4d18-8a1f-bbd6e34fd514] 
> [GenericEventListener_AsyncThread-1] INFO  
> org.apache.lens.server.query.TestEventService - LensEvent: 
> 4b43c5aa-fdf3-49a5-b3bf-29c33f44e628



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