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Date: Sun, 18 Nov 2012 20:18:58 +0000 (UTC)
From: "Daniel Bengtsson (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-9060) isSymlink returns false for link to
 non-existing file
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     [ https://issues.apache.org/jira/browse/HADOOP-9060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Bengtsson updated HADOOP-9060:
-------------------------------------

    Description: 
This problem showed when trying to use FileUtils.sizeOfDirectory() of a directory that contained a symlink to a file that did not exist. I got the exception:

java.lang.IllegalArgumentException: /tmp/test/link does not exist
	at org.apache.commons.io.FileUtils.sizeOf(FileUtils.java:2413)
	at org.apache.commons.io.FileUtils.sizeOfDirectory(FileUtils.java:2479)

And /tmp/test/link is here linking to a file that do not exist.

The trace comes from a unit test that looks like:

assertTrue(FileUtils.sizeOfDirectory(new File("/tmp/test/")) > 0);

I would expect that either isSymlink() reported true even though the link is to a file that do not exist or sizeOfDirectory() should not bail out when encountering non-existing files.

  was:
This problem showed when trying to use FileUtils.sizeOfDirectory() of a directory that contained a symlink to a file that did not exist. I got the exception:

java.lang.IllegalArgumentException: /tmp/test/link does not exist
	at org.apache.commons.io.FileUtils.sizeOf(FileUtils.java:2413)
	at org.apache.commons.io.FileUtils.sizeOfDirectory(FileUtils.java:2479)

And /tmp/test/link is here linking to a file that do not exist.

The trace comes from a unit test that looks like:

assertTrue(FileUtils.sizeOfDirectory(new File("/tmp/test/")) > 0);

To me I would expect that either isSymlink() reported true even though the link is to a file that do not exist or sizeOfDirectory() should not bail out when encountering non-existing files.

    
> isSymlink returns false for link to non-existing file
> -----------------------------------------------------
>
>                 Key: HADOOP-9060
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9060
>             Project: Hadoop Common
>          Issue Type: Bug
>         Environment: Kubuntu 12.10 commons-io 2.4
>            Reporter: Daniel Bengtsson
>
> This problem showed when trying to use FileUtils.sizeOfDirectory() of a directory that contained a symlink to a file that did not exist. I got the exception:
> java.lang.IllegalArgumentException: /tmp/test/link does not exist
> 	at org.apache.commons.io.FileUtils.sizeOf(FileUtils.java:2413)
> 	at org.apache.commons.io.FileUtils.sizeOfDirectory(FileUtils.java:2479)
> And /tmp/test/link is here linking to a file that do not exist.
> The trace comes from a unit test that looks like:
> assertTrue(FileUtils.sizeOfDirectory(new File("/tmp/test/")) > 0);
> I would expect that either isSymlink() reported true even though the link is to a file that do not exist or sizeOfDirectory() should not bail out when encountering non-existing files.

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