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https://issues.apache.org/jira/browse/ACCUMULO-181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13157268#comment-13157268
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Minh Duc Nguyen commented on ACCUMULO-181:
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I fixed the permissions problems causing the AccessControlException and I'm no
longer seeing the ScanTimedOutException. In fact, there are no errors or
exceptions in the logs. The correct NameNode and JobTracker info are being
displayed in the monitor page despite the "Name Node is Down" message.
> Monitor status page says that "Name Node is Down'
> -------------------------------------------------
>
> Key: ACCUMULO-181
> URL: https://issues.apache.org/jira/browse/ACCUMULO-181
> Project: Accumulo
> Issue Type: Bug
> Components: monitor
> Affects Versions: 1.3.5, 1.4.0
> Environment: CentOS release 5.6
> single node Accumulo setup
> Reporter: Minh Duc Nguyen
> Assignee: Eric Newton
> Priority: Trivial
> Attachments: NameNodeIsDown.png
>
>
> The Accumulo monitor/status page (http://localhost:50095) says that the "Name
> Node is Down" (in a red background), but is displaying the correct capacity,
> % used, and # of corrupt blocks. NameNode is up as confirmed by
> http://localhost:50070/dfshealth.jsp
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