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From "Robert Metzger (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-5345) IOManager failed to properly clean up temp file directory
Date Thu, 15 Dec 2016 15:20:58 GMT
Robert Metzger created FLINK-5345:
-------------------------------------

             Summary: IOManager failed to properly clean up temp file directory
                 Key: FLINK-5345
                 URL: https://issues.apache.org/jira/browse/FLINK-5345
             Project: Flink
          Issue Type: Bug
    Affects Versions: 1.1.3
            Reporter: Robert Metzger


While testing 1.1.3 RC3, I have the following message in my log:

{code}
2016-12-15 14:46:05,450 INFO  org.apache.flink.streaming.runtime.tasks.StreamTask        
  - Timer service is shutting down.
2016-12-15 14:46:05,452 INFO  org.apache.flink.runtime.taskmanager.Task                  
  - Source: control events generator (29/40) (73915a232ba09e642f9dff92f8c8773a) switched from
CANCELING to CANCELED.
2016-12-15 14:46:05,452 INFO  org.apache.flink.runtime.taskmanager.Task                  
  - Freeing task resources for Source: control events generator (29/40) (73915a232ba09e642f9dff92f8c8773a).
2016-12-15 14:46:05,454 INFO  org.apache.flink.yarn.YarnTaskManager                      
  - Un-registering task and sending final execution state CANCELED to JobManager for task
Source: control events genera
tor (73915a232ba09e642f9dff92f8c8773a)
2016-12-15 14:46:40,609 INFO  org.apache.flink.yarn.YarnTaskManagerRunner                
  - RECEIVED SIGNAL 15: SIGTERM. Shutting down as requested.
2016-12-15 14:46:40,611 INFO  org.apache.flink.runtime.blob.BlobCache                    
  - Shutting down BlobCache
2016-12-15 14:46:40,724 WARN  akka.remote.ReliableDeliverySupervisor                     
  - Association with remote system [akka.tcp://flink@10.240.0.34:33635] has failed, address
is now gated for [5000] ms.
 Reason is: [Disassociated].
2016-12-15 14:46:40,808 ERROR org.apache.flink.runtime.io.disk.iomanager.IOManager       
  - IOManager failed to properly clean up temp file directory: /yarn/nm/usercache/robert/appcache/application_148129128
9979_0024/flink-io-f0ff3f66-b9e2-4560-881f-2ab43bc448b5
java.lang.IllegalArgumentException: /yarn/nm/usercache/robert/appcache/application_1481291289979_0024/flink-io-f0ff3f66-b9e2-4560-881f-2ab43bc448b5/62e14e1891fe1e334c921dfd19a32a84/StreamMap_11_24/dummy_state
does not exist
        at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1637)
        at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1535)
        at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:2270)
        at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1653)
        at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1535)
        at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:2270)
        at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1653)
        at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1535)
        at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:2270)
        at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1653)
        at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1535)
        at org.apache.flink.runtime.io.disk.iomanager.IOManager.shutdown(IOManager.java:109)
        at org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync.shutdown(IOManagerAsync.java:185)
        at org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync$1.run(IOManagerAsync.java:105)

{code}

This was the last message logged from that machine. I suspect two threads are trying to clean
up the directories during shutdown?



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