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Posted to issues@flink.apache.org by "Robert Metzger (Jira)" <ji...@apache.org> on 2020/11/13 16:20:00 UTC
[jira] [Commented] (FLINK-20157) SourceCoordinatorProvider kills
JobManager with IllegalStateException on job submission
[ https://issues.apache.org/jira/browse/FLINK-20157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17231599#comment-17231599 ]
Robert Metzger commented on FLINK-20157:
----------------------------------------
[~becket_qin] Can you take a look?
> SourceCoordinatorProvider kills JobManager with IllegalStateException on job submission
> ---------------------------------------------------------------------------------------
>
> Key: FLINK-20157
> URL: https://issues.apache.org/jira/browse/FLINK-20157
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Kafka
> Affects Versions: 1.12.0
> Reporter: Robert Metzger
> Priority: Blocker
> Fix For: 1.12.0
>
>
> While setting up a test job using the new Kafka source for testing the RC1 of Flink 1.12, my JobManager died with a fatal exception:
> {code}
> 2020-11-13 17:05:53,947 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Deploying Flat Map -> Sink: Print to Std. Out (1/1) (attempt #0) with attempt id fc36327d85e775204e82fc8507bf4264 to 192.168.1.25:57387-78ca68 @ robertsbabamac2.localdomain (dataPort=57390) with allocation id a8d918c0cfb57305908ce5a4f4787034
> 2020-11-13 17:05:53,988 ERROR org.apache.flink.runtime.util.FatalExitExceptionHandler [] - FATAL: Thread 'SourceCoordinator-Source: Kafka Source' produced an uncaught exception. Stopping the process...
> java.lang.IllegalStateException: Should never happen. This factory should only be used by a SingleThreadExecutor.
> at org.apache.flink.runtime.source.coordinator.SourceCoordinatorProvider$CoordinatorExecutorThreadFactory.newThread(SourceCoordinatorProvider.java:94) ~[flink-dist_2.11-1.12.0.jar:1.12.0]
> at java.util.concurrent.ThreadPoolExecutor$Worker.<init>(ThreadPoolExecutor.java:619) ~[?:1.8.0_222]
> at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:932) ~[?:1.8.0_222]
> at java.util.concurrent.ThreadPoolExecutor.processWorkerExit(ThreadPoolExecutor.java:1025) ~[?:1.8.0_222]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) ~[?:1.8.0_222]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_222]
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
> {code}
> I'm using the KafkaSource as documented, with a single partition topic:
> {code:java}
> KafkaSource<Event> source = KafkaSource
> .<Event>builder()
> .setBootstrapServers(brokers)
> .setGroupId("myGroup")
> .setTopics(Arrays.asList(kafkaTopic))
> .setDeserializer(new NewEventDeserializer())
> .build();
> {code}
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