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Luke Chen commented on KAFKA-12629: ----------------------------------- Good news! I found a root cause of the blocker bug KAFKA-12677 that failed the tests( finally!!). I sent to jenkins PR build twice and have "0" RaftClusterTest related failed tests! Oh yeah!!! I'll prepare a PR later. And we should close this ticket soon! :) > Failing 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 > Assignee: Luke Chen > Priority: Blocker > Labels: flaky-test > Fix For: 3.0.0 > > > {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} -- This message was sent by Atlassian Jira (v8.3.4#803005)