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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11134) Fix bind exception threw in TestRenameWhileOpen
Date Wed, 16 Nov 2016 11:12:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15670179#comment-15670179
] 

Brahma Reddy Battula commented on HDFS-11134:
---------------------------------------------

Thanks for updating patch. LGTM, will hold for commit till [~vinayrpet]/[~ajisakaa] looks
into this once.

> Fix bind exception threw in TestRenameWhileOpen
> -----------------------------------------------
>
>                 Key: HDFS-11134
>                 URL: https://issues.apache.org/jira/browse/HDFS-11134
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>         Attachments: HDFS-11134.001.patch, HDFS-11134.002.patch, HDFS-11134.003.patch
>
>
> I found two bind exceptions causing the unit tests fails in history Jenkins buildings.
One is test {{TestRenameWhileOpen}}, the other one is {{TestPendingInvalidateBlock}}.
> Here are the stack infos of {{TestRenameWhileOpen}}(I can't find the stack infos of {{TestPendingInvalidateBlock}}
now since the time of that happened is too early, but I'm sure it has failed due to bind exception.)
> {code}
> java.net.BindException: Problem binding to [localhost:42155] java.net.BindException:
Address already in use; For more details see:  http://wiki.apache.org/hadoop/BindException
> 	at sun.nio.ch.Net.bind0(Native Method)
> 	at sun.nio.ch.Net.bind(Net.java:433)
> 	at sun.nio.ch.Net.bind(Net.java:425)
> 	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
> 	at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
> 	at org.apache.hadoop.ipc.Server.bind(Server.java:535)
> 	at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:919)
> 	at org.apache.hadoop.ipc.Server.<init>(Server.java:2667)
> 	at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:959)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:367)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:342)
> 	at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:801)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.<init>(NameNodeRpcServer.java:434)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.createRpcServer(NameNode.java:796)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:723)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:937)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:916)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1633)
> 	at org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:1263)
> 	at org.apache.hadoop.hdfs.MiniDFSCluster.configureNameService(MiniDFSCluster.java:1032)
> 	at org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:907)
> 	at org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:839)
> 	at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:491)
> 	at org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:450)
> 	at org.apache.hadoop.hdfs.TestRenameWhileOpen.testWhileOpenRenameToNonExistentDirectory(TestRenameWhileOpen.java:325)
> {code}
> Here specifying the namenode port is not necessary, is similar to HDFS-11129. And I have
run this test many times in my local, it all passed. This JIRA we are focusing on fix the
bind exception threw in {{TestRenameWhileOpen}}.



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