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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12339) NFS Gateway on Shutdown Gives Unregistration Failure. Does Not Unregister with rpcbind Portmapper
Date Sat, 23 Sep 2017 19:35:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anu Engineer updated HDFS-12339:
--------------------------------
          Resolution: Fixed
        Hadoop Flags: Reviewed
       Fix Version/s: 3.1.0
    Target Version/s: 3.1.0
              Status: Resolved  (was: Patch Available)

[~shailesh001], [~jzhuge], [~Tagar], [~ajayydv] Thanks for review comment. 
[~msingh] Thanks for the contribution. I have committed this to 3.1.0.

if you would like this to be backported to 3.0, Please reopen this JIRA. I think we should
have this in 3.0, but we are so close to beta1 I don't want to commit something unless it
absolutely essential for beta1. I look forward to hearing all your thoughts on whether we
should have this committed to beta1 branch before release.
 

> NFS Gateway on Shutdown Gives Unregistration Failure. Does Not Unregister with rpcbind
Portmapper
> -------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-12339
>                 URL: https://issues.apache.org/jira/browse/HDFS-12339
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: nfs
>    Affects Versions: 2.6.0
>            Reporter: Sailesh Patel
>            Assignee: Mukul Kumar Singh
>             Fix For: 3.1.0
>
>         Attachments: HDFS-12339.001.patch
>
>
> When stopping NFS Gateway the following error is thrown in the NFS gateway role logs.
> 2017-08-17 18:09:16,529 ERROR org.apache.hadoop.oncrpc.RpcProgram: Unregistration failure
with localhost:2049, portmap entry: (PortmapMapping-100003:3:6:2049)
> 2017-08-17 18:09:16,531 WARN org.apache.hadoop.util.ShutdownHookManager: ShutdownHook
'NfsShutdownHook' failed, java.lang.RuntimeException: Unregistration failure
> java.lang.RuntimeException: Unregistration failure
> ..
> Caused by: java.net.SocketException: Socket is closed
> at java.net.DatagramSocket.send(DatagramSocket.java:641)
> at org.apache.hadoop.oncrpc.SimpleUdpClient.run(SimpleUdpClient.java:62)
> Checking rpcinfo -p : the following entry is still there:
> " 100003 3 tcp 2049 nfs"



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