[jira] [Created] (FLINK-20957) StreamTaskTest.testProcessWithUnAvailableOutput unstable

["Till Rohrmann (Jira)" <ji...@apache.org>]

Till Rohrmann created FLINK-20957:
-------------------------------------

             Summary: StreamTaskTest.testProcessWithUnAvailableOutput unstable
                 Key: FLINK-20957
                 URL: https://issues.apache.org/jira/browse/FLINK-20957
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Task
    Affects Versions: 1.13.0
            Reporter: Till Rohrmann
             Fix For: 1.13.0


The {{StreamTaskTest.testProcessWithUnAvailableOutput}} fails on AZP. 

{code}
[ERROR] testProcessWithUnAvailableOutput(org.apache.flink.streaming.runtime.tasks.StreamTaskTest)  Time elapsed: 0.145 s  <<< FAILURE!
java.lang.AssertionError: 

Expected: a value equal to or greater than <42L>
     but: <41L> was less than <42L>
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.junit.Assert.assertThat(Assert.java:956)
	at org.junit.Assert.assertThat(Assert.java:923)
	at org.apache.flink.streaming.runtime.tasks.StreamTaskTest.testProcessWithUnAvailableOutput(StreamTaskTest.java:1333)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.lang.Thread.run(Thread.java:748)
{code}

cc [~pnowojski]



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