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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10723) TestRenameWhileOpen tries to restart NN with the same rpc port
Date Tue, 09 Aug 2016 01:58:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15412821#comment-15412821
] 

Yiqun Lin commented on HDFS-10723:
----------------------------------

Hi, [~vrushalic], some comments from me:

1.We can just removed the method {{nameNodePort(nnport)}} for here as @kihwal Lee said if
the test is not trying to use the same port. But in this test, I am not so sure for that,
because it show this:
{code}
      // restart cluster with the same namenode port as before.
      // This ensures that leases are persisted in fsimage.
{code}
So we may be to confirm for this.

2.I see there were some similar failed test in {{TestFileCreationDelete}}(https://builds.apache.org/job/PreCommit-HDFS-Build/16290/testReport/).
If we can also fix in this jira, it will be better. These two tests seems very similar.

3.Just attach your patch and trigger the button {{submit patch}}. If your patch was accepted
by the commiters, they will assign this lira to you.

Thanks.

> TestRenameWhileOpen tries to restart NN with the same rpc port
> --------------------------------------------------------------
>
>                 Key: HDFS-10723
>                 URL: https://issues.apache.org/jira/browse/HDFS-10723
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>            Reporter: Kihwal Lee
>         Attachments: testWhileOpenRenameParentToNonexistentDir.txt
>
>
> In {{testWhileOpenRenameParentToNonexistentDir}},
> {code}
>       // restart cluster with the same namenode port as before.
>       // This ensures that leases are persisted in fsimage.
>       cluster.shutdown();
> {code}
> And we are getting test failures in precommit builds.
> {noformat}
> java.net.BindException: Problem binding to [localhost:47395]
>  java.net.BindException: Address already in use;
> {noformat}



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