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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3659) TestHLog fails on newer Hadoop
Date Thu, 17 Mar 2011 02:16:29 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13007779#comment-13007779
] 

stack commented on HBASE-3659:
------------------------------

+1 Thanks Todd

> TestHLog fails on newer Hadoop
> ------------------------------
>
>                 Key: HBASE-3659
>                 URL: https://issues.apache.org/jira/browse/HBASE-3659
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.1
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>             Fix For: 0.90.2
>
>         Attachments: hbase-3659.txt
>
>
> There are some subtle changes in IPC in the newer Hadoop trees that cause TestHLog to
fail. The issue is that when it restarts the minicluster, the new DNs pick up a cached IPC
connection to the old NN, which has closed its end of the IPC pipe. This causes the new DNs
to fail to start and the test fails. Adding a strategic sleep fixes it.

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