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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