[GitHub] [hadoop] avijayanhwx opened a new pull request #788: HDDS-1475 : Fix OzoneContainer start method.

[GitBox <gi...@apache.org>]

avijayanhwx opened a new pull request #788: HDDS-1475 : Fix OzoneContainer start method.
URL: https://github.com/apache/hadoop/pull/788
 
 
   In OzoneContainer start() we have 
   
   startContainerScrub();
   writeChannel.start();
   readChannel.start();
   hddsDispatcher.init();
   hddsDispatcher.setScmId(scmId);
    
   Suppose here if the readChannel.start() failed due to some reason, from VersionEndPointTask, we try to start OzoneContainer again. This can cause an issue for writeChannel.start() if it is already started. 
   
   Fix the logic such a way that if service is started, don't attempt to start the service again. Similar changes needed to be done for stop().

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