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https://issues.apache.org/jira/browse/IO-319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13251624#comment-13251624
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Ravi Prakash commented on IO-319:
---------------------------------
I'll be happy to. I'm working on it now. I'm not sure how platform-independent
the test code needs to be, but I'll give it a fair shot and hopefully you'll be
able to guide me to a better iteration.
> 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
>
> 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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