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https://issues.apache.org/jira/browse/KAFKA-9928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax updated KAFKA-9928:
-----------------------------------
Component/s: unit tests
streams
> Flaky
> GlobalKTableEOSIntegrationTest#shouldKStreamGlobalKTableLeftJoin[exactly_once_beta]
> -----------------------------------------------------------------------------------------
>
> Key: KAFKA-9928
> URL: https://issues.apache.org/jira/browse/KAFKA-9928
> Project: Kafka
> Issue Type: Bug
> Components: streams, unit tests
> Reporter: Guozhang Wang
> Priority: Major
>
> {code}
> Stacktrace
> java.lang.AssertionError: Condition not met within timeout 30000. waiting for
> final values
> at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:26)
> at
> org.apache.kafka.test.TestUtils.lambda$waitForCondition$5(TestUtils.java:381)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:429)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:397)
> at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:380)
> at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:368)
> at
> org.apache.kafka.streams.integration.GlobalKTableEOSIntegrationTest.shouldKStreamGlobalKTableLeftJoin(GlobalKTableEOSIntegrationTest.java:178)
> {code}
> I looked at the below examples:
> https://builds.apache.org/job/kafka-pr-jdk14-scala2.13/149/testReport/junit/org.apache.kafka.streams.integration/GlobalKTableEOSIntegrationTest/shouldKStreamGlobalKTableLeftJoin_exactly_once_beta_/
> https://builds.apache.org/job/kafka-pr-jdk11-scala2.13/6017/testReport/junit/org.apache.kafka.streams.integration/EosIntegrationTest/shouldNotViolateEosIfOneTaskFailsWithState_exactly_once_beta__2/
> https://builds.apache.org/job/kafka-pr-jdk11-scala2.13/6017/testReport/junit/org.apache.kafka.streams.integration/GlobalKTableEOSIntegrationTest/shouldKStreamGlobalKTableLeftJoin_exactly_once_beta__2/
> And also reproduced the flakiness locally after about 180 runs, and the
> failed one did not have any obvious different traces compared with the
> successful ones.
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