[jira] [Created] (FLINK-20360) AbstractFetcherWatermarksTest$PeriodicWatermarksSuite.testPeriodicWatermarks is unstable

[Shang Yuanchun (Jira)]

Robert Metzger created FLINK-20360:
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             Summary: AbstractFetcherWatermarksTest$PeriodicWatermarksSuite.testPeriodicWatermarks is unstable
                 Key: FLINK-20360
                 URL: https://issues.apache.org/jira/browse/FLINK-20360
             Project: Flink
          Issue Type: Bug
          Components: Connectors / Kafka
    Affects Versions: 1.12.0
            Reporter: Robert Metzger
             Fix For: 1.12.0


This is a CI PR run, but the change is unrelated: https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=10119&view=logs&j=c5f0071e-1851-543e-9a45-9ac140befc32&t=1fb1a56f-e8b5-5a82-00a0-a2db7757b4f5

{code}
[ERROR] Tests run: 8, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.046 s <<< FAILURE! - in org.apache.flink.streaming.connectors.kafka.internals.AbstractFetcherWatermarksTest
[ERROR] testPeriodicWatermarks[0](org.apache.flink.streaming.connectors.kafka.internals.AbstractFetcherWatermarksTest$PeriodicWatermarksSuite)  Time elapsed: 0.004 s  <<< FAILURE!
java.lang.AssertionError: expected:<3> but was:<102>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:834)
        at org.junit.Assert.assertEquals(Assert.java:645)
        at org.junit.Assert.assertEquals(Assert.java:631)
        at org.apache.flink.streaming.connectors.kafka.internals.AbstractFetcherWatermarksTest$PeriodicWatermarksSuite.testPeriodicWatermarks(AbstractFetcherWatermarksTest.java:139)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

{code}



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