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From "Kenneth Knowles (JIRA)" <>
Subject [jira] [Updated] (BEAM-3599) kinesis.ShardReadersPoolTest.shouldInterruptKinesisReadingAndStopShortly is flaky
Date Tue, 06 Feb 2018 02:13:00 GMT


Kenneth Knowles updated BEAM-3599:
    Labels: flake  (was: )

> kinesis.ShardReadersPoolTest.shouldInterruptKinesisReadingAndStopShortly is flaky
> ---------------------------------------------------------------------------------
>                 Key: BEAM-3599
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-extensions
>            Reporter: Thomas Groh
>            Assignee: Reuven Lax
>            Priority: Major
>              Labels: flake
> This appears to be unavoidable due to the construction of the test - the amount of realtime
that the thread waits is asserted to be less than one second, but as the class doesn't consume
a {{Ticker}} (or related way to track elapsed time), we have no way of deterministically controlling
that value within the test.
> Example failure: []
> {{java.lang.AssertionError: Expecting: <4169L> to be less than: <1000L> at
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)}} 
> The test could also do with a more precise error message (it looks like too many elements
were received based on the error message, rather than the actual "took too long" failure.

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