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https://issues.apache.org/jira/browse/FLINK-2455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Fabian Hueske updated FLINK-2455:
---------------------------------
    Fix Version/s:     (was: 0.10.0)
                   1.0.0

> Misleading I/O manager error log messages
> -----------------------------------------
>
>                 Key: FLINK-2455
>                 URL: https://issues.apache.org/jira/browse/FLINK-2455
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Runtime
>    Affects Versions: 0.9, 0.10.0
>            Reporter: Ufuk Celebi
>             Fix For: 1.0.0
>
>
> The logs reported by [~andralungu] in FLINK-2412 show a lot of the following 
> messages:
> {code}
> 20:13:27,504 WARN  org.apache.flink.runtime.taskmanager.Task                  
>    - Task 'CHAIN DataSource (at getEdgesDataSet(Degrees.java:64) 
> (org.apache.flink.api.java.io.CsvInputFormat)) -> Map (Map at 
> getEdgesDataSet(Degrees.java:64)) (50/60)' did not react to cancelling 
> signal, but is stuck in method:
>  java.lang.Object.wait(Native Method)
> org.apache.flink.runtime.io.disk.iomanager.AsynchronousFileIOChannel.close(AsynchronousFileIOChannel.java:126)
> org.apache.flink.runtime.io.disk.iomanager.AsynchronousFileIOChannel.closeAndDelete(AsynchronousFileIOChannel.java:158)
> org.apache.flink.runtime.io.network.partition.SpillableSubpartition.release(SpillableSubpartition.java:130)
> org.apache.flink.runtime.io.network.partition.ResultPartition.release(ResultPartition.java:300)
> org.apache.flink.runtime.io.network.partition.ResultPartitionManager.releasePartitionsProducedBy(ResultPartitionManager.java:95)
> org.apache.flink.runtime.io.network.NetworkEnvironment.unregisterTask(NetworkEnvironment.java:356)
> org.apache.flink.runtime.taskmanager.Task.run(Task.java:674)
> java.lang.Thread.run(Thread.java:722)
> 20:13:27,583 ERROR 
> org.apache.flink.runtime.io.network.partition.ResultPartition  - Error during 
> release of result subpartition: Closing of asynchronous file channel was 
> interrupted.
> java.io.IOException: Closing of asynchronous file channel was interrupted.
>       at 
> org.apache.flink.runtime.io.disk.iomanager.AsynchronousFileIOChannel.close(AsynchronousFileIOChannel.java:130)
>       at 
> org.apache.flink.runtime.io.disk.iomanager.AsynchronousFileIOChannel.closeAndDelete(AsynchronousFileIOChannel.java:158)
>       at 
> org.apache.flink.runtime.io.network.partition.SpillableSubpartition.release(SpillableSubpartition.java:130)
>       at 
> org.apache.flink.runtime.io.network.partition.ResultPartition.release(ResultPartition.java:300)
>       at 
> org.apache.flink.runtime.io.network.partition.ResultPartitionManager.releasePartitionsProducedBy(ResultPartitionManager.java:95)
>       at 
> org.apache.flink.runtime.io.network.NetworkEnvironment.unregisterTask(NetworkEnvironment.java:356)
>       at org.apache.flink.runtime.taskmanager.Task.run(Task.java:674)
>       at java.lang.Thread.run(Thread.java:722)
> {code}
> This is repeated for each subpartition during the release of a spillable 
> partition (each subpartition is closed idp). The task is interrupted while 
> waiting for the file channel to be closed.
> {code}
> 20:15:50,329 ERROR 
> org.apache.flink.runtime.io.network.partition.ResultPartition  - Error during 
> release of result subpartition: IO-Manager has been closed.
> java.io.IOException: IO-Manager has been closed.
>       at 
> org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync$WriterThread.shutdown(IOManagerAsync.java:424)
>       at 
> org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync.shutdown(IOManagerAsync.java:125)
>       at 
> org.apache.flink.runtime.io.disk.iomanager.IOManager$1.run(IOManager.java:103)
> {code}



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