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https://issues.apache.org/jira/browse/FLINK-6277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler updated FLINK-6277:
------------------------------------
Component/s: (was: Streaming)
DataStream API
> RuntimeException in logs during normal shutdown
> -----------------------------------------------
>
> Key: FLINK-6277
> URL: https://issues.apache.org/jira/browse/FLINK-6277
> Project: Flink
> Issue Type: Bug
> Components: DataStream API
> Affects Versions: 1.2.0
> Reporter: Andrey
>
> During job shutdown, I noticed Exception in logs:
> {code}
> 2017-04-07 08:17:51,995 WARN
> org.apache.flink.streaming.api.operators.AbstractStreamOperator - Error
> while emitting latency marker.
> java.lang.RuntimeException
> at
> org.apache.flink.streaming.runtime.io.RecordWriterOutput.emitLatencyMarker(RecordWriterOutput.java:99)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.emitLatencyMarker(AbstractStreamOperator.java:791)
> at
> org.apache.flink.streaming.api.operators.StreamSource$LatencyMarksEmitter$1.onProcessingTime(StreamSource.java:142)
> at
> org.apache.flink.streaming.runtime.tasks.SystemProcessingTimeService$RepeatedTriggerTask.run(SystemProcessingTimeService.java:256)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.InterruptedException
> at java.lang.Object.wait(Native Method)
> at
> org.apache.flink.runtime.io.network.buffer.LocalBufferPool.requestBuffer(LocalBufferPool.java:168)
> at
> org.apache.flink.runtime.io.network.buffer.LocalBufferPool.requestBufferBlocking(LocalBufferPool.java:138)
> at
> org.apache.flink.runtime.io.network.api.writer.RecordWriter.sendToTarget(RecordWriter.java:131)
> at
> org.apache.flink.runtime.io.network.api.writer.RecordWriter.randomEmit(RecordWriter.java:106)
> at
> org.apache.flink.streaming.runtime.io.StreamRecordWriter.randomEmit(StreamRecordWriter.java:104)
> at
> org.apache.flink.streaming.runtime.io.RecordWriterOutput.emitLatencyMarker(RecordWriterOutput.java:96)
> ... 10 more
> {code}
> It looks like RecordWriterOutput catches and re-throw all exceptions. Even
> InterruptedException. According to "cancel" method LatencyMarksEmitter may
> interrupt future.
> Expected:
> * cleanly shutdown LatencyMarksEmitter
> * correctly handle InterruptedException
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