Robert Metzger created FLINK-20157:
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Summary: 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
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.
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