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Posted to issues@flink.apache.org by "Biao Liu (Jira)" <ji...@apache.org> on 2020/01/17 07:40:00 UTC
[jira] [Commented] (FLINK-15611) KafkaITCase.testOneToOneSources
fails on Travis
[ https://issues.apache.org/jira/browse/FLINK-15611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17017767#comment-17017767 ]
Biao Liu commented on FLINK-15611:
----------------------------------
{quote}
...
Caused by: java.lang.Exception: Received a duplicate: 4924
at org.apache.flink.streaming.connectors.kafka.testutils.ValidatingExactlyOnceSink.invoke(ValidatingExactlyOnceSink.java:57)
at org.apache.flink.streaming.connectors.kafka.testutils.ValidatingExactlyOnceSink.invoke(ValidatingExactlyOnceSink.java:36)
at org.apache.flink.streaming.api.functions.sink.SinkFunction.invoke(SinkFunction.java:52)
at org.apache.flink.streaming.api.operators.StreamSink.processElement(StreamSink.java:56)
at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask$StreamTaskNetworkOutput.emitRecord(OneInputStreamTask.java:170)
at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.processElement(StreamTaskNetworkInput.java:151)
at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:128)
at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:69)
at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:311)
at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:187)
at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:487)
at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:470)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:702)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:527)
at java.lang.Thread.run(Thread.java:748)
{quote}
It looks like a serious issue. The exactly once semantics here seems to be broken.
> KafkaITCase.testOneToOneSources fails on Travis
> -----------------------------------------------
>
> Key: FLINK-15611
> URL: https://issues.apache.org/jira/browse/FLINK-15611
> Project: Flink
> Issue Type: Bug
> Reporter: Yangze Guo
> Priority: Critical
> Fix For: 1.10.0
>
>
> {{The test KafkaITCase.testOneToOneSources failed on Travis.}}
> {code:java}
> 03:15:02,019 INFO org.apache.flink.streaming.connectors.kafka.KafkaTestEnvironmentImpl - Deleting topic scale-down-before-first-checkpoint
> 03:15:02,037 INFO org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase -
> --------------------------------------------------------------------------------
> Test testScaleDownBeforeFirstCheckpoint(org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase) successfully run.
> ================================================================================
> 03:15:02,038 INFO org.apache.flink.streaming.connectors.kafka.KafkaTestBase - -------------------------------------------------------------------------
> 03:15:02,038 INFO org.apache.flink.streaming.connectors.kafka.KafkaTestBase - Shut down KafkaTestBase
> 03:15:02,038 INFO org.apache.flink.streaming.connectors.kafka.KafkaTestBase - -------------------------------------------------------------------------
> 03:15:25,728 INFO org.apache.flink.streaming.connectors.kafka.KafkaTestBase - -------------------------------------------------------------------------
> 03:15:25,728 INFO org.apache.flink.streaming.connectors.kafka.KafkaTestBase - KafkaTestBase finished
> 03:15:25,728 INFO org.apache.flink.streaming.connectors.kafka.KafkaTestBase - -------------------------------------------------------------------------
> 03:15:25.731 [INFO] Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 245.845 s - in org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase
> 03:15:26.099 [INFO]
> 03:15:26.099 [INFO] Results:
> 03:15:26.099 [INFO]
> 03:15:26.099 [ERROR] Failures:
> 03:15:26.099 [ERROR] KafkaITCase.testOneToOneSources:97->KafkaConsumerTestBase.runOneToOneExactlyOnceTest:862 Test failed: Job execution failed.
> {code}
> https://api.travis-ci.com/v3/job/276124537/log.txt
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