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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-1304) There is no unit test for HftpFileSystem.open(..)
Date Tue, 21 Sep 2010 21:15:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Tsz Wo (Nicholas), SZE updated HDFS-1304:

    Attachment: h1304_20100921.patch

h1304_20100921.patch: fault injection unit test.

> There is no unit test for HftpFileSystem.open(..)
> -------------------------------------------------
>                 Key: HDFS-1304
>                 URL: https://issues.apache.org/jira/browse/HDFS-1304
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: test
>            Reporter: Tsz Wo (Nicholas), SZE
>         Attachments: h1304_20100921.patch
> HftpFileSystem.open(..) first opens an URL connection to namenode's FileDataServlet and
then is redirected to datanode's StreamFile servlet.  Such redirection does not work in the
unit test environment because the redirect URL uses real hostname instead of localhost.
> One way to get around it is to use fault-injection in order to replace the real hostname
with localhost.

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