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https://issues.apache.org/jira/browse/IO-449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14978087#comment-14978087
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Dmitry Risenberg commented on IO-449:
-------------------------------------
There is a problem with symlinks, though it is not correctly described -
isSymlink() returns false for broken symlinks and then an
IllegalArgumentException is thrown by sizeOf.
> FileUtils.sizeOfDirectory(File) throws IllegalArgumentException on symlink
> that does not exist
> ----------------------------------------------------------------------------------------------
>
> Key: IO-449
> URL: https://issues.apache.org/jira/browse/IO-449
> Project: Commons IO
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.5
> Reporter: Steven Christou
> Attachments: IO-449.diff
>
>
> FileUtils.isSymlink(File) will throw an IllegalArgumentException if the
> symbolic link does not exist. FileUtils.sizeOfDirectory(File) ignores any
> exceptions that are from the symbolic link. I added another catch to ignore
> IllegalArgumentException.
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