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  1. Flink
  2. FLINK-8731

TwoInputStreamTaskTest flaky on travis

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      https://travis-ci.org/zentol/flink/builds/344307861

      Tests run: 5, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.479 sec <<< FAILURE! - in org.apache.flink.streaming.runtime.tasks.TwoInputStreamTaskTest
      testOpenCloseAndTimestamps(org.apache.flink.streaming.runtime.tasks.TwoInputStreamTaskTest)  Time elapsed: 0.05 sec  <<< ERROR!
      java.lang.Exception: error in task
      	at org.apache.flink.streaming.runtime.tasks.StreamTaskTestHarness.waitForTaskCompletion(StreamTaskTestHarness.java:250)
      	at org.apache.flink.streaming.runtime.tasks.StreamTaskTestHarness.waitForTaskCompletion(StreamTaskTestHarness.java:233)
      	at org.apache.flink.streaming.runtime.tasks.TwoInputStreamTaskTest.testOpenCloseAndTimestamps(TwoInputStreamTaskTest.java:99)
      Caused by: org.mockito.exceptions.misusing.WrongTypeOfReturnValue: 
      Boolean cannot be returned by getChannelIndex()
      getChannelIndex() should return int
      ***
      If you're unsure why you're getting above error read on.
      Due to the nature of the syntax above problem might occur because:
      1. This exception *might* occur in wrongly written multi-threaded tests.
         Please refer to Mockito FAQ on limitations of concurrency testing.
      2. A spy is stubbed using when(spy.foo()).then() syntax. It is safer to stub spies - 
         - with doReturn|Throw() family of methods. More in javadocs for Mockito.spy() method.
      
      	at org.apache.flink.runtime.io.network.partition.consumer.UnionInputGate.waitAndGetNextInputGate(UnionInputGate.java:212)
      	at org.apache.flink.runtime.io.network.partition.consumer.UnionInputGate.getNextBufferOrEvent(UnionInputGate.java:158)
      	at org.apache.flink.streaming.runtime.io.BarrierBuffer.getNextNonBlocked(BarrierBuffer.java:164)
      	at org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor.processInput(StreamTwoInputProcessor.java:292)
      	at org.apache.flink.streaming.runtime.tasks.TwoInputStreamTask.run(TwoInputStreamTask.java:115)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:308)
      	at org.apache.flink.streaming.runtime.tasks.StreamTaskTestHarness$TaskThread.run(StreamTaskTestHarness.java:437)
      

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              • Assignee:
                dwysakowicz Dawid Wysakowicz
                Reporter:
                chesnay Chesnay Schepler
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                  Updated:
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