Sailesh Patel created HDFS-12339:
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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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