[jira] [Created] (HDFS-7660) BlockReceiver#close() might be called multiple times, which causes the fsvolume reference being released incorrectly.

["Lei (Eddy) Xu (JIRA)" <ji...@apache.org>]

Lei (Eddy) Xu created HDFS-7660:
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             Summary: BlockReceiver#close() might be called multiple times, which causes the fsvolume reference being released incorrectly.
                 Key: HDFS-7660
                 URL: https://issues.apache.org/jira/browse/HDFS-7660
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 3.0.0
            Reporter: Lei (Eddy) Xu
            Assignee: Lei (Eddy) Xu
            Priority: Minor


{{BlockReceiver.close()}} might be called from multiple places, e.g. {{PacketResponder#finalizeBlock}} and {{BlockReceiver#receiveBlock}}. 
As a result, {{BlockReceiver#replicaHander}} should be set to {{null}} after release the resource.





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