Alyssa Huang created KAFKA-16655:
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Summary: deflake ZKMigrationIntegrationTest.testDualWrite
Key: KAFKA-16655
URL: https://issues.apache.org/jira/browse/KAFKA-16655
Project: Kafka
Issue Type: Improvement
Reporter: Alyssa Huang
Assignee: Alyssa Huang
{code:java}
Failed to map supported failure 'org.opentest4j.AssertionFailedError: expected:
not equal but was: <0>' with mapper
'org.gradle.api.internal.tasks.testing.failure.mappers.OpenTestAssertionFailedMapper@59b5251d':
Cannot invoke "Object.getClass()" because "obj" is null
> Task :core:test
kafka.zk.ZkMigrationIntegrationTest.testDualWrite(ClusterInstance)[8] failed,
log available in
/Users/ahuang/ce-kafka/core/build/reports/testOutput/kafka.zk.ZkMigrationIntegrationTest.testDualWrite(ClusterInstance)[8].test.stdout
Gradle Test Run :core:test > Gradle Test Executor 8 >
ZkMigrationIntegrationTest > testDualWrite(ClusterInstance) > testDualWrite [8]
Type=ZK, MetadataVersion=3.8-IV0, Security=PLAINTEXT FAILED
org.opentest4j.AssertionFailedError: expected: not equal but was: <0>
at
app//org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:152)
at
app//org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
at
app//org.junit.jupiter.api.AssertNotEquals.failEqual(AssertNotEquals.java:277)
at
app//org.junit.jupiter.api.AssertNotEquals.assertNotEquals(AssertNotEquals.java:119)
at
app//org.junit.jupiter.api.AssertNotEquals.assertNotEquals(AssertNotEquals.java:111)
at
app//org.junit.jupiter.api.Assertions.assertNotEquals(Assertions.java:2121)
at
app//kafka.zk.ZkMigrationIntegrationTest.testDualWrite(ZkMigrationIntegrationTest.scala:995)
{code}
This test occasionally fails due to stale broker epoch exceptions, which in
turn causes allocate producer ids to fail.
Also fixes {{sendAllocateProducerIds}} erroneously returning 0 as the
`producerIdStart` in error cases (because `onComplete` only accounts for
timeouts and ignores any other error code)
{code:java}
[2024-04-12 18:45:08,820] INFO [ControllerServer id=3000] allocateProducerIds:
event failed with StaleBrokerEpochException in 19 microseconds.
(org.apache.kafka.controller.QuorumController:765) {code}
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