[jira] [Resolved] (IO-814) FileUtils.deleteDirectory can throw UncheckedIOException

["Gary D. Gregory (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IO-814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary D. Gregory resolved IO-814.
--------------------------------
    Fix Version/s: 2.14.1
       Resolution: Fixed

> FileUtils.deleteDirectory can throw UncheckedIOException
> --------------------------------------------------------
>
>                 Key: IO-814
>                 URL: https://issues.apache.org/jira/browse/IO-814
>             Project: Commons IO
>          Issue Type: Bug
>    Affects Versions: 2.13.0, 2.14.0
>            Reporter: Elliotte Rusty Harold
>            Priority: Critical
>             Fix For: 2.14.1
>
>
> This was a behavior breaking change, and an incorrect one to boot. 
> Operations that can have I/O errors should throw IOException if they can't directly handle the I/O error. UncheckedIOException is not a reasonable alternative.
> A method that can neither handle nor throw IOException must not perform I/O operations.
> It's worth noting that functional programming, not just in Java but in general, does not allow I/O. As soon as a method performs I/O, it's no longer a pure function and should not be written in a functional style. 



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