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https://issues.apache.org/jira/browse/KAFKA-12566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17682707#comment-17682707
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Greg Harris commented on KAFKA-12566:
-------------------------------------
Hey [~showuon] I'm going to assign this issue to me, as I had to do some test
stabilization in this area as part of
[https://github.com/apache/kafka/pull/13178] .
> Flaky Test MirrorConnectorsIntegrationSSLTest#testReplication
> -------------------------------------------------------------
>
> Key: KAFKA-12566
> URL: https://issues.apache.org/jira/browse/KAFKA-12566
> Project: Kafka
> Issue Type: Test
> Components: mirrormaker, unit tests
> Reporter: Matthias J. Sax
> Assignee: Luke Chen
> Priority: Critical
> Labels: flaky-test
>
>
> {code:java}
> org.opentest4j.AssertionFailedError: Condition not met within timeout 20000.
> Offsets not translated downstream to primary cluster. ==> expected: <true>
> but was: <false> at
> org.junit.jupiter.api.AssertionUtils.fail(AssertionUtils.java:55) at
> org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:40) at
> org.junit.jupiter.api.Assertions.assertTrue(Assertions.java:193) at
> org.apache.kafka.test.TestUtils.lambda$waitForCondition$3(TestUtils.java:303)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:351)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:319)
> at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:300) at
> org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:290) at
> org.apache.kafka.connect.mirror.integration.MirrorConnectorsIntegrationBaseTest.testReplication(MirrorConnectorsIntegrationBaseTest.java:289)
> {code}
> {{LOGs}}
> {quote}[2021-03-26 03:28:06,157] ERROR Could not check connector state info.
> (org.apache.kafka.connect.util.clusters.EmbeddedConnectClusterAssertions:420)
> org.apache.kafka.connect.runtime.rest.errors.ConnectRestException: Could not
> read connector state. Error response: \{"error_code":404,"message":"No status
> found for connector MirrorSourceConnector"} at
> org.apache.kafka.connect.util.clusters.EmbeddedConnectCluster.connectorStatus(EmbeddedConnectCluster.java:479)
> at
> org.apache.kafka.connect.util.clusters.EmbeddedConnectClusterAssertions.checkConnectorState(EmbeddedConnectClusterAssertions.java:413)
> at
> org.apache.kafka.connect.util.clusters.EmbeddedConnectClusterAssertions.lambda$assertConnectorAndAtLeastNumTasksAreRunning$16(EmbeddedConnectClusterAssertions.java:286)
> at
> org.apache.kafka.test.TestUtils.lambda$waitForCondition$3(TestUtils.java:303)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:351)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:319)
> at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:300) at
> org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:290) at
> org.apache.kafka.connect.util.clusters.EmbeddedConnectClusterAssertions.assertConnectorAndAtLeastNumTasksAreRunning(EmbeddedConnectClusterAssertions.java:285)
> at
> org.apache.kafka.connect.mirror.integration.MirrorConnectorsIntegrationBaseTest.waitUntilMirrorMakerIsRunning(MirrorConnectorsIntegrationBaseTest.java:470)
> at
> org.apache.kafka.connect.mirror.integration.MirrorConnectorsIntegrationBaseTest.testReplication(MirrorConnectorsIntegrationBaseTest.java:227){quote}
> and
> {quote}[2021-03-26 03:30:41,524] ERROR [MirrorHeartbeatConnector|task-0]
> Graceful stop of task MirrorHeartbeatConnector-0 failed.
> (org.apache.kafka.connect.runtime.Worker:866) [2021-03-26 03:30:41,527] ERROR
> [MirrorHeartbeatConnector|task-0]
> WorkerSourceTask\{id=MirrorHeartbeatConnector-0} failed to send record to
> heartbeats: (org.apache.kafka.connect.runtime.WorkerSourceTask:372)
> org.apache.kafka.common.KafkaException: Producer is closed forcefully. at
> org.apache.kafka.clients.producer.internals.RecordAccumulator.abortBatches(RecordAccumulator.java:750)
> at
> org.apache.kafka.clients.producer.internals.RecordAccumulator.abortIncompleteBatches(RecordAccumulator.java:737)
> at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:282)
> at java.lang.Thread.run(Thread.java:748) [2021-03-26 03:30:42,248] ERROR
> [MirrorHeartbeatConnector|task-0]
> WorkerSourceTask\{id=MirrorHeartbeatConnector-0} Failed to flush, timed out
> while waiting for producer to flush outstanding 1 messages
> (org.apache.kafka.connect.runtime.WorkerSourceTask:512){quote}
>
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