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https://issues.apache.org/jira/browse/KAFKA-12401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17364507#comment-17364507
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Matthias J. Sax commented on KAFKA-12401:
-----------------------------------------
kafka.admin.FeatureCommandTest.testDescribeFeaturesSuccess()
{quote}org.opentest4j.AssertionFailedError: expected: <Feature: feature_1
SupportedMinVersion: 1 SupportedMaxVersion: 3 FinalizedMinVersionLevel: 1
FinalizedMaxVersionLevel: 3 Epoch: 1 Feature: feature_2 SupportedMinVersion: 1
SupportedMaxVersion: 5 FinalizedMinVersionLevel: 1 FinalizedMaxVersionLevel: 5
Epoch: 1 > but was: <Feature: feature_1 SupportedMinVersion: 1
SupportedMaxVersion: 3 FinalizedMinVersionLevel: - FinalizedMaxVersionLevel: -
Epoch: 0 Feature: feature_2 SupportedMinVersion: 1 SupportedMaxVersion: 5
FinalizedMinVersionLevel: - FinalizedMaxVersionLevel: - Epoch: 0 >{quote}
Bunch of exceptions in the log:
{quote}2021-06-16 19:13:39,839] WARN [RequestSendThread controllerId=2]
Controller 2's connection to broker localhost:33561 (id: 1 rack: null) was
unsuccessful (kafka.controller.RequestSendThread:72) java.io.IOException:
Connection to localhost:33561 (id: 1 rack: null) failed. at
org.apache.kafka.clients.NetworkClientUtils.awaitReady(NetworkClientUtils.java:71)
at
kafka.controller.RequestSendThread.brokerReady(ControllerChannelManager.scala:291)
at
kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:245)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:96){quote}
> Flaky Test FeatureCommandTest#testUpgradeAllFeaturesSuccess
> -----------------------------------------------------------
>
> Key: KAFKA-12401
> URL: https://issues.apache.org/jira/browse/KAFKA-12401
> Project: Kafka
> Issue Type: Test
> Components: admin, unit tests
> Reporter: Matthias J. Sax
> Priority: Critical
> Labels: flaky-test
>
> {quote}kafka.admin.UpdateFeaturesException: 2 feature updates failed! at
> kafka.admin.FeatureApis.maybeApplyFeatureUpdates(FeatureCommand.scala:289) at
> kafka.admin.FeatureApis.upgradeAllFeatures(FeatureCommand.scala:191) at
> kafka.admin.FeatureCommandTest.$anonfun$testUpgradeAllFeaturesSuccess$3(FeatureCommandTest.scala:134){quote}
> STDOUT
> {quote}[Add] Feature: feature_1 ExistingFinalizedMaxVersion: -
> NewFinalizedMaxVersion: 3 Result: OK [Add] Feature: feature_2
> ExistingFinalizedMaxVersion: - NewFinalizedMaxVersion: 5 Result: OK [Add]
> Feature: feature_1 ExistingFinalizedMaxVersion: - NewFinalizedMaxVersion: 3
> Result: OK [Add] Feature: feature_2 ExistingFinalizedMaxVersion: -
> NewFinalizedMaxVersion: 5 Result: OK{quote}
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