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From "Sailesh Patel (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12339) NFS Gateway on Shutdown Gives Unregistration Failure. Does Not Unregister with rpcbind Portmapper
Date Wed, 23 Aug 2017 03:17:00 GMT
Sailesh Patel created HDFS-12339:
------------------------------------

             Summary: 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
    Affects Versions: 2.6.0
            Reporter: Sailesh Patel




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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