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https://issues.apache.org/jira/browse/HDFS-9689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15115072#comment-15115072
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Vinayakumar B commented on HDFS-9689:
-------------------------------------
One possible solution to Namenode restart tests, is to implement
{{BPOfferService#refreshNNList()}} in way to support in between changing of
namenode addresses, and issue, DN#refreshNamenodes(Conf) call to all DNs after
restart in MiniDfsCluster.
This way all tests which fails intermittently with this kind of problems would
be solved.
What you say, [~liuml07] ?
> Test o.a.h.hdfs.TestRenameWhileOpen fails intermittently
> ---------------------------------------------------------
>
> Key: HDFS-9689
> URL: https://issues.apache.org/jira/browse/HDFS-9689
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 3.0.0, 2.8.0
> Reporter: Mingliang Liu
> Assignee: Mingliang Liu
> Attachments: HDFS-9689.000.patch
>
>
> The test fails in recent builds, e.g.
> https://builds.apache.org/job/PreCommit-HDFS-Build/14063/testReport/org.apache.hadoop.hdfs/TestRenameWhileOpen/
> and
> https://builds.apache.org/job/PreCommit-HDFS-Build/14212/testReport/org.apache.hadoop.hdfs/TestRenameWhileOpen/testWhileOpenRenameToNonExistentDirectory/
> The *Error Message* is like:
> {code}
> Problem binding to [localhost:60690] java.net.BindException: Address already
> in use; For more details see: http://wiki.apache.org/hadoop/BindException
> {code}
> and *Stacktrace* is:
> {code}
> java.net.BindException: Problem binding to [localhost:60690]
> 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:463)
> at sun.nio.ch.Net.bind(Net.java:455)
> 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:469)
> at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:695)
> at org.apache.hadoop.ipc.Server.<init>(Server.java:2464)
> at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:958)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:535)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:510)
> at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:800)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.<init>(NameNodeRpcServer.java:392)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createRpcServer(NameNode.java:743)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:685)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:884)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:863)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1581)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:1247)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.configureNameService(MiniDFSCluster.java:1016)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:891)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:823)
> at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:482)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:441)
> at
> org.apache.hadoop.hdfs.TestRenameWhileOpen.testWhileOpenRenameToNonExistentDirectory(TestRenameWhileOpen.java:332)
> {code}
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