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Date: Tue, 25 Apr 2017 02:22:04 +0000 (UTC)
From: "Anbang Hu (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.13066551.1493084838000.40645.1493086924091@Atlassian.JIRA>
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References: <JIRA.13066551.1493084838000@Atlassian.JIRA> <JIRA.13066551.1493084838846@jira-lw-us.apache.org>
Subject: [jira] [Commented] (HDFS-11700) testBackupNodePorts doesn't pass on
 Windows machine
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archived-at: Tue, 25 Apr 2017 02:22:08 -0000


    [ https://issues.apache.org/jira/browse/HDFS-11700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15982289#comment-15982289 ] 

Anbang Hu commented on HDFS-11700:
----------------------------------

{{DFS_NAMENODE_BACKUP_ADDRESS_KEY}} is set in {{BackupNode.setRpcServerAddress}}:
{code:borderStyle=solid}
  @Override // NameNode
  protected void setRpcServerAddress(Configuration conf,
      InetSocketAddress addr) {
    conf.set(BN_ADDRESS_NAME_KEY, NetUtils.getHostPortString(addr));
  }
{code}

> testBackupNodePorts doesn't pass on Windows machine
> ---------------------------------------------------
>
>                 Key: HDFS-11700
>                 URL: https://issues.apache.org/jira/browse/HDFS-11700
>             Project: Hadoop HDFS
>          Issue Type: Bug
>         Environment: Windows 10
>            Reporter: Anbang Hu
>
> In TestHDFSServerPorts.testBackupNodePorts, there are two attempts at starting backup node.
> *Attempt 1*:
> 1) It binds namenode backup address with 0:
> {quote}
> backup_config.set(DFSConfigKeys.DFS_NAMENODE_BACKUP_ADDRESS_KEY, THIS_HOST);
> {quote}
> 2) It sets namenode backup address with an available port X.
> 3) It fails rightfully due to using the same http address as active namenode.
> *Attempt 2*:
> 1) It tries to reuse port X as namenode backup address.
> 2) It fails to bind to X because Windows does not release port X properly after *Attempt 1* fails.


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