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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-462) Unit tests not working under Windows
Date Mon, 06 Jul 2009 18:01:14 GMT

     [ https://issues.apache.org/jira/browse/HDFS-462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Shvachko updated HDFS-462:
-------------------------------------

          Component/s: name-node
          Environment: Windows
    Affects Version/s: 0.21.0
        Fix Version/s: 0.21.0

Yes, as we traced with Luca, the rename of {{current}} to {{previous.tmp}} fails because {{current/edits}}
remains open after {{loadFSImaeg()}}. WinNT does not let rename directories if there are open
files in it. This was introduced by HADOOP-5314. For regular name-node start up this makes
sense, but fails in other scenarios.

We should really-really resurrect windows build at least once a week as we used to have.

> Unit tests not working under Windows
> ------------------------------------
>
>                 Key: HDFS-462
>                 URL: https://issues.apache.org/jira/browse/HDFS-462
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node, test
>    Affects Versions: 0.21.0
>         Environment: Windows
>            Reporter: Luca Telloli
>             Fix For: 0.21.0
>
>
> Unit tests are failing on windows due to a problem with rename. 
> The failing code is around line 520 in FSImage.java: 
> {noformat}
>       assert curDir.exists() : "Current directory must exist.";
>       assert !prevDir.exists() : "prvious directory must not exist.";
>       assert !tmpDir.exists() : "prvious.tmp directory must not exist.";
>       // rename current to tmp
>       rename(curDir, tmpDir);
>       // save new image
>       if (!curDir.mkdir())
>         throw new IOException("Cannot create directory " + curDir);
> {noformat}
> and seems related to some open file or directory

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