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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5200) NPE when the datanode comes up but the filesystem is set to file://
Date Tue, 10 Feb 2009 11:03:02 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12672232#action_12672232
] 

Steve Loughran commented on HADOOP-5200:
----------------------------------------

I propose patching this so that the operation fails with an IllegalArgumentException that
includes the FS URI, so lets you diagnose the problem. Testing will be trivial.

> NPE when the datanode comes up but the filesystem is set to file://
> -------------------------------------------------------------------
>
>                 Key: HADOOP-5200
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5200
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.21.0
>            Reporter: Steve Loughran
>            Priority: Minor
>
> If you bring up a namenode and the conf file points to file:/// as the URI, then the
authority is null, breaking code that follows

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