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Bruno Cadonna commented on KAFKA-12629: --------------------------------------- Failed on: https://ci-builds.apache.org/job/Kafka/job/kafka-pr/job/PR-10710/2/testReport/ {code:java} java.util.concurrent.ExecutionException: org.apache.kafka.common.errors.UnknownServerException: The server experienced an unexpected error when processing the request. at org.apache.kafka.common.internals.KafkaFutureImpl.wrapAndThrow(KafkaFutureImpl.java:45) at org.apache.kafka.common.internals.KafkaFutureImpl.access$000(KafkaFutureImpl.java:32) at org.apache.kafka.common.internals.KafkaFutureImpl$SingleWaiter.await(KafkaFutureImpl.java:89) at org.apache.kafka.common.internals.KafkaFutureImpl.get(KafkaFutureImpl.java:260) at kafka.server.RaftClusterTest.testCreateClusterAndCreateListDeleteTopic(RaftClusterTest.scala:94) {code} > 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)