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Posted to issues@commons.apache.org by "Ravi Prakash (Updated) (JIRA)" <ji...@apache.org> on 2012/04/11 16:55:16 UTC

[jira] [Updated] (IO-319) FileUtils.sizeOfDirectory follows symbolic links.

     [ https://issues.apache.org/jira/browse/IO-319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ravi Prakash updated IO-319:
----------------------------

    Attachment: commons-io-319.patch

Hi Gary,

Could you please review this patch? I wasn't able to find a way to create symlinks under Windows (FAT doesn't seem to support it) so the test code only checks under non-windows systems.

                
> FileUtils.sizeOfDirectory follows symbolic links.
> -------------------------------------------------
>
>                 Key: IO-319
>                 URL: https://issues.apache.org/jira/browse/IO-319
>             Project: Commons IO
>          Issue Type: Bug
>    Affects Versions: 2.1
>            Reporter: Ravi Prakash
>            Priority: Critical
>         Attachments: commons-io-319.patch
>
>
> First of all Thanks tons Apache Commons folks for all the amazing work! :) My first JIRA. Yayyy. I contributed B-)
> A symbolic link may create a cycle and so sizeOfDirectory crashes with an IllegalArgumentException. e.g. 
> {noformat}
> $ tree test
> test
> ├── file
> └── ravi
>     ├── cycle -> ../../test
>     └── file
> {noformat}
> causes FileUtils.sizeOfDirectory to crash like so
> {noformat}
> java TestJAVA
> Exception in thread "main" java.lang.IllegalArgumentException: <somepath>/test/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle/ravi/cycle does not exist
>         at org.apache.commons.io.FileUtils.sizeOf(FileUtils.java:2053)
>         at org.apache.commons.io.FileUtils.sizeOfDirectory(FileUtils.java:2089)
>         at org.apache.commons.io.FileUtils.sizeOf(FileUtils.java:2057)
>         at org.apache.commons.io.FileUtils.sizeOfDirectory(FileUtils.java:2089)
>         at org.apache.commons.io.FileUtils.sizeOf(FileUtils.java:2057)
>         at org.apache.commons.io.FileUtils.sizeOfDirectory(FileUtils.java:2089)
>         at org.apache.commons.io.FileUtils.sizeOf(FileUtils.java:2057)
>         at org.apache.commons.io.FileUtils.sizeOfDirectory(FileUtils.java:2089)
> {noformat}
> We faced the same issue in Hadoop :(. Checkout https://issues.apache.org/jira/browse/HADOOP-6963 for our solution

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