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Posted to hdfs-dev@hadoop.apache.org by "Aaron T. Myers (Created) (JIRA)" <ji...@apache.org> on 2011/12/27 07:06:30 UTC
[jira] [Created] (HDFS-2724) NN web UI can throw NPE after startup,
before standby state is entered
NN web UI can throw NPE after startup, before standby state is entered
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Key: HDFS-2724
URL: https://issues.apache.org/jira/browse/HDFS-2724
Project: Hadoop HDFS
Issue Type: Sub-task
Components: ha, name-node
Affects Versions: HA branch (HDFS-1623)
Reporter: Aaron T. Myers
Assignee: Eli Collins
There's a brief period of time (a few seconds) after the NN web server has been initialized, but before the NN's HA state is initialized. If {{dfshealth.jsp}} is hit during this time, a {{NullPointerException}} will be thrown.
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[jira] [Resolved] (HDFS-2724) NN web UI can throw NPE after
startup, before standby state is entered
Posted by "Todd Lipcon (Resolved) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-2724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Todd Lipcon resolved HDFS-2724.
-------------------------------
Resolution: Fixed
Fix Version/s: HA branch (HDFS-1623)
Hadoop Flags: Reviewed
Committed to branch, thanks Eli.
> NN web UI can throw NPE after startup, before standby state is entered
> ----------------------------------------------------------------------
>
> Key: HDFS-2724
> URL: https://issues.apache.org/jira/browse/HDFS-2724
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, name-node
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Aaron T. Myers
> Assignee: Todd Lipcon
> Fix For: HA branch (HDFS-1623)
>
> Attachments: hdfs-2724.txt
>
>
> There's a brief period of time (a few seconds) after the NN web server has been initialized, but before the NN's HA state is initialized. If {{dfshealth.jsp}} is hit during this time, a {{NullPointerException}} will be thrown.
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