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https://issues.apache.org/jira/browse/HADOOP-8872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13482695#comment-13482695
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Chuan Liu commented on HADOOP-8872:
-----------------------------------
+1
Just want to add this patch also add options to 'winutils ls' so that it can be
used to get symlink target file size. Because we have both ways, i.e. native
library API and 'winutils', to get the file length, there should be no
regression for other projects that uses Hadoop.
> FileSystem#length returns zero for symlinks on windows+java6
> ------------------------------------------------------------
>
> Key: HADOOP-8872
> URL: https://issues.apache.org/jira/browse/HADOOP-8872
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 1-win
> Reporter: Ivan Mitic
> Assignee: Ivan Mitic
> Attachments: HADOOP-8872.branch-1-win.symlink0.patch
>
>
> RawLocalFileSystem does not work well with symbolic links on Windows.
> Specifically, calling FileSystem#lengh on the path that is a symlink will
> return zero. This causes problems in some objects that use LocalFileSystem to
> access local files. One example is a SequenceFile.
> The issue is caused by Java6 File#length returning zero for symbolic links on
> Windows. On Java7, we will no longer have this problem.
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