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Posted to hdfs-issues@hadoop.apache.org by "Jakob Homan (JIRA)" <ji...@apache.org> on 2015/04/29 23:58:06 UTC
[jira] [Commented] (HDFS-8290) WebHDFS calls before namesystem
initialization can cause NullPointerException.
[ https://issues.apache.org/jira/browse/HDFS-8290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14520358#comment-14520358 ]
Jakob Homan commented on HDFS-8290:
-----------------------------------
+1.
> WebHDFS calls before namesystem initialization can cause NullPointerException.
> ------------------------------------------------------------------------------
>
> Key: HDFS-8290
> URL: https://issues.apache.org/jira/browse/HDFS-8290
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 2.6.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Minor
> Attachments: HDFS-8290.001.patch
>
>
> The NameNode has a brief window of time when the HTTP server has been initialized, but the namesystem has not been initialized. During this window, a WebHDFS call can cause a {{NullPointerException}}. We can catch this condition and return a more meaningful error.
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