[jira] [Work logged] (BEAM-4086) KafkaIOTest is flaky

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-4086?focusedWorklogId=92692&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-92692 ]

ASF GitHub Bot logged work on BEAM-4086:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 19/Apr/18 17:09
            Start Date: 19/Apr/18 17:09
    Worklog Time Spent: 10m 
      Work Description: rangadi opened a new pull request #5185: [BEAM-4086]: KafkaIO tests:  Avoid busy loop in MockConsumer.poll(), reduce flakes.
URL: https://github.com/apache/beam/pull/5185
 
 
   Add 10 millis sleep when there are no elements left in a partition. `MockConsumer.poll()` does not actually respect 'timeout' argument, and as result 'cosumerPollLoop() in KafkaIO kept spinning once all the records are read.
   
   In addition, this seems to avoid flakes in `testUnboundedSourceWithoutBoundedWrapper()` (BEAM-4086).
   
   
   
   
   

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Issue Time Tracking
-------------------

            Worklog Id:     (was: 92692)
            Time Spent: 10m
    Remaining Estimate: 0h

> KafkaIOTest is flaky
> --------------------
>
>                 Key: BEAM-4086
>                 URL: https://issues.apache.org/jira/browse/BEAM-4086
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-kafka
>    Affects Versions: 2.5.0
>            Reporter: Ismaël Mejía
>            Assignee: Raghu Angadi
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Noticed this while trying to do a simple change in KafkaIO this morning and corroborated with other contributors. If you run `./gradlew -p sdks/java/io/kafka/ clean build` it blocks indefinitely at least 1/3 of the times. However it passes ok with Maven.



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