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https://issues.apache.org/jira/browse/KAFKA-9509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17139217#comment-17139217
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Luke Chen commented on KAFKA-9509:
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[https://builds.apache.org/blue/rest/organizations/jenkins/pipelines/kafka-trunk-jdk11/runs/1578/log/?start=0]
[https://builds.apache.org/blue/rest/organizations/jenkins/pipelines/kafka-trunk-jdk14/runs/226/log/?start=0]
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org.apache.kafka.connect.mirror.MirrorConnectorsIntegrationTest >
testReplication FAILED
java.lang.RuntimeException: Could not find enough records. found 0, expected
100
at
org.apache.kafka.connect.util.clusters.EmbeddedKafkaCluster.consume(EmbeddedKafkaCluster.java:435)
at
org.apache.kafka.connect.mirror.MirrorConnectorsIntegrationTest.testReplication(MirrorConnectorsIntegrationTest.java:222)
[https://builds.apache.org/blue/rest/organizations/jenkins/pipelines/kafka-trunk-jdk8/runs/4651/log/?start=0]
org.apache.kafka.connect.mirror.MirrorConnectorsIntegrationTest >
testReplication FAILED
java.lang.RuntimeException: Could not find enough records. found 0, expected
100
at
org.apache.kafka.connect.util.clusters.EmbeddedKafkaCluster.consume(EmbeddedKafkaCluster.java:435)
at
org.apache.kafka.connect.mirror.MirrorConnectorsIntegrationTest.testReplication(MirrorConnectorsIntegrationTest.java:218)
> Fix flaky test MirrorConnectorsIntegrationTest.testReplication
> --------------------------------------------------------------
>
> Key: KAFKA-9509
> URL: https://issues.apache.org/jira/browse/KAFKA-9509
> Project: Kafka
> Issue Type: Test
> Components: mirrormaker
> Affects Versions: 2.4.0
> Reporter: Sanjana Kaundinya
> Assignee: Luke Chen
> Priority: Major
> Fix For: 2.5.0
>
>
> The test
> org.apache.kafka.connect.mirror.MirrorConnectorsIntegrationTest.testReplication
> is a flaky test for MirrorMaker 2.0. Its flakiness lies in the timing of
> when the connectors and tasks are started up. The fix for this would make it
> such that when the connectors are started up, to wait until the REST endpoint
> returns a positive number of tasks to be confident that we can start testing.
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