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https://issues.apache.org/jira/browse/HDFS-11479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mukul Kumar Singh updated HDFS-11479:
-------------------------------------
Status: Patch Available (was: Open)
> Socket re-use address option should be used in SimpleUdpServer
> --------------------------------------------------------------
>
> Key: HDFS-11479
> URL: https://issues.apache.org/jira/browse/HDFS-11479
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: nfs
> Reporter: Mukul Kumar Singh
> Assignee: Mukul Kumar Singh
> Attachments: HDFS-11479.001.patch
>
>
> Nfs gateway restart can fail because of bind error in SimpleUdpServer.
> re-use address option should be used in SimpleUdpServer to so that socket
> bind can happen when it is in TIME_WAIT state
> {noformat}
> 2017-02-28 04:19:53,495 FATAL mount.MountdBase
> (MountdBase.java:startUDPServer(66)) - Failed to start the UDP server.
> org.jboss.netty.channel.ChannelException: Failed to bind to:
> 0.0.0.0/0.0.0.0:4242
> at
> org.jboss.netty.bootstrap.ConnectionlessBootstrap.bind(ConnectionlessBootstrap.java:204)
> at
> org.apache.hadoop.oncrpc.SimpleUdpServer.run(SimpleUdpServer.java:68)
> at
> org.apache.hadoop.mount.MountdBase.startUDPServer(MountdBase.java:64)
> at org.apache.hadoop.mount.MountdBase.start(MountdBase.java:97)
> at
> org.apache.hadoop.hdfs.nfs.nfs3.Nfs3.startServiceInternal(Nfs3.java:56)
> at org.apache.hadoop.hdfs.nfs.nfs3.Nfs3.startService(Nfs3.java:69)
> at
> org.apache.hadoop.hdfs.nfs.nfs3.PrivilegedNfsGatewayStarter.start(PrivilegedNfsGatewayStarter.java:71)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.commons.daemon.support.DaemonLoader.start(DaemonLoader.java:243)
> Caused by: java.net.BindException: Address already in use
> at sun.nio.ch.Net.bind0(Native Method)
> at sun.nio.ch.Net.bind(Net.java:433)
> at sun.nio.ch.DatagramChannelImpl.bind(DatagramChannelImpl.java:691)
> at
> sun.nio.ch.DatagramSocketAdaptor.bind(DatagramSocketAdaptor.java:91)
> at
> org.jboss.netty.channel.socket.nio.NioDatagramPipelineSink.bind(NioDatagramPipelineSink.java:129)
> at
> org.jboss.netty.channel.socket.nio.NioDatagramPipelineSink.eventSunk(NioDatagramPipelineSink.java:77)
> at org.jboss.netty.channel.Channels.bind(Channels.java:561)
> at
> org.jboss.netty.channel.AbstractChannel.bind(AbstractChannel.java:189)
> at
> org.jboss.netty.bootstrap.ConnectionlessBootstrap.bind(ConnectionlessBootstrap.java:198)
> ... 11 more
> {noformat}
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