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https://issues.apache.org/jira/browse/FLINK-10874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16686473#comment-16686473
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ASF GitHub Bot commented on FLINK-10874:
----------------------------------------
pnowojski opened a new pull request #7097: [FLINK-10874][kafka-docs] Document
likely cause of UnknownTopicOrPartitionException
URL: https://github.com/apache/flink/pull/7097
This is a change in documentation only.
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> Kafka 2.0 connector testMigrateFromAtLeastOnceToExactlyOnce failure
> -------------------------------------------------------------------
>
> Key: FLINK-10874
> URL: https://issues.apache.org/jira/browse/FLINK-10874
> Project: Flink
> Issue Type: Bug
> Components: Kafka Connector
> Affects Versions: 1.8.0
> Reporter: Piotr Nowojski
> Priority: Critical
> Labels: pull-request-available
>
> https://api.travis-ci.org/v3/job/454449444/log.txt
> {noformat}
> Test
> testMigrateFromAtLeastOnceToExactlyOnce(org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase)
> is running.
> --------------------------------------------------------------------------------
> 16:35:07,894 WARN
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer - Property
> [transaction.timeout.ms] not specified. Setting it to 3600000 ms
> 16:35:07,903 INFO
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer - Starting
> FlinkKafkaInternalProducer (1/1) to produce into default topic
> testMigrateFromAtLeastOnceToExactlyOnce
> 16:35:08,785 ERROR
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase -
> --------------------------------------------------------------------------------
> Test
> testMigrateFromAtLeastOnceToExactlyOnce(org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase)
> failed with:
> java.lang.Exception: Could not complete snapshot 0 for operator MockTask
> (1/1).
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:419)
> at
> org.apache.flink.streaming.util.AbstractStreamOperatorTestHarness.snapshotWithLocalState(AbstractStreamOperatorTestHarness.java:505)
> at
> org.apache.flink.streaming.util.AbstractStreamOperatorTestHarness.snapshot(AbstractStreamOperatorTestHarness.java:497)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase.testRecoverWithChangeSemantics(FlinkKafkaProducerITCase.java:591)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase.testMigrateFromAtLeastOnceToExactlyOnce(FlinkKafkaProducerITCase.java:569)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
> at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
> Caused by: org.apache.flink.streaming.connectors.kafka.FlinkKafkaException:
> Failed to send data to Kafka: This server does not host this topic-partition.
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.checkErroneous(FlinkKafkaProducer.java:993)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.flush(FlinkKafkaProducer.java:778)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.preCommit(FlinkKafkaProducer.java:705)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.preCommit(FlinkKafkaProducer.java:94)
> at
> org.apache.flink.streaming.api.functions.sink.TwoPhaseCommitSinkFunction.snapshotState(TwoPhaseCommitSinkFunction.java:291)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.snapshotState(FlinkKafkaProducer.java:783)
> at
> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.trySnapshotFunctionState(StreamingFunctionUtils.java:118)
> at
> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.snapshotFunctionState(StreamingFunctionUtils.java:99)
> at
> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.snapshotState(AbstractUdfStreamOperator.java:90)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:395)
> ... 36 more
> Caused by: org.apache.kafka.common.errors.UnknownTopicOrPartitionException:
> This server does not host this topic-partition.
> {noformat}
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