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https://issues.apache.org/jira/browse/FLINK-15327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger reassigned FLINK-15327:
--------------------------------------
Assignee: Robert Metzger
> 'Walkthrough DataStream Scala nightly' sometimes fails with
> InterruptedException
> --------------------------------------------------------------------------------
>
> Key: FLINK-15327
> URL: https://issues.apache.org/jira/browse/FLINK-15327
> Project: Flink
> Issue Type: Improvement
> Components: Examples, Tests
> Affects Versions: 1.11.0
> Reporter: Robert Metzger
> Assignee: Robert Metzger
> Priority: Major
>
> The "Walkthrough DataStream Scala nightly end-to-end test"
> (test_datastream_walkthroughs.sh) failed with the following error found in
> the log
>
>
> {code:java}
> 2019-12-18 17:54:15,698 INFO
> org.apache.flink.runtime.taskexecutor.TaskExecutor -
> Un-registering task and sending final execution state CANCELED to JobManager
> for task fraud-detector -> Sink: send-alerts
> 018084fed67f928895eb79668f0143e0.2019-12-18 17:54:15,698 INFO
> org.apache.flink.runtime.taskexecutor.TaskExecutor -
> Un-registering task and sending final execution state CANCELED to JobManager
> for task fraud-detector -> Sink: send-alerts
> 018084fed67f928895eb79668f0143e0.2019-12-18 17:54:15,707 WARN
> org.apache.flink.streaming.runtime.tasks.StreamTask - Error while
> canceling task.java.lang.RuntimeException: java.lang.InterruptedException:
> sleep interrupted at
> org.apache.flink.walkthrough.common.source.TransactionSource$RateLimitedIterator.next(TransactionSource.java:60)
> at
> org.apache.flink.streaming.api.functions.source.FromIteratorFunction.run(FromIteratorFunction.java:43)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:100)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:63)
> at
> org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:196)Caused
> by: java.lang.InterruptedException: sleep interrupted at
> java.lang.Thread.sleep(Native Method) at
> org.apache.flink.walkthrough.common.source.TransactionSource$RateLimitedIterator.next(TransactionSource.java:58)
> ... 4 more2019-12-18 17:54:15,717 INFO
> org.apache.flink.runtime.taskmanager.Task - Source:
> transactions (1/1) (8bfc09b3dac838c3c1fe1a9da40b2c37) switched from CANCELING
> to CANCELED.2019-12-18 17:54:15,718 INFO
> org.apache.flink.runtime.taskmanager.Task - Freeing task
> resources for Source: transactions (1/1)
> (8bfc09b3dac838c3c1fe1a9da40b2c37).2019-12-18 17:54:15,718 INFO
> org.apache.flink.runtime.taskmanager.Task - Ensuring all
> FileSystem streams are closed for task Source: transactions (1/1)
> (8bfc09b3dac838c3c1fe1a9da40b2c37) [CANCELED]
> {code}
>
> Run:
> [https://dev.azure.com/rmetzger/Flink/_build/results?buildId=3742&view=logs&j=b1623ac9-0979-5b0d-2e5e-1377d695c991&t=48867695-c47f-5af3-2f21-7845611247b9]
> I assume this error happens only rarely.
>
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