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https://issues.apache.org/jira/browse/KAFKA-12629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17319794#comment-17319794
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A. Sophie Blee-Goldman commented on KAFKA-12629:
------------------------------------------------
I'm seeing at least one failure in RaftClusterTest on almost every PR build
lately.
Looks like it's typically the same TimeoutException mentioned above. Seen on
both testCreateClusterAndCreateAndManyTopics() and
testCreateClusterAndCreateAndManyTopicsWithManyPartitions()
> Flaky Test RaftClusterTest
> --------------------------
>
> Key: KAFKA-12629
> URL: https://issues.apache.org/jira/browse/KAFKA-12629
> Project: Kafka
> Issue Type: Test
> Components: core, unit tests
> Reporter: Matthias J. Sax
> Priority: Critical
> Labels: flaky-test
>
> {quote} {{java.util.concurrent.ExecutionException:
> java.lang.ClassNotFoundException:
> org.apache.kafka.controller.NoOpSnapshotWriterBuilder
> at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
> at
> kafka.testkit.KafkaClusterTestKit.startup(KafkaClusterTestKit.java:364)
> at
> kafka.server.RaftClusterTest.testCreateClusterAndCreateAndManyTopicsWithManyPartitions(RaftClusterTest.scala:181)}}{quote}
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