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https://issues.apache.org/jira/browse/IO-813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17771053#comment-17771053
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Gary D. Gregory commented on IO-813:
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Nah, it's not a "big problem" because the JRE does the same thing all over the
place. For example {{java.util.Iterator.hasNext()}} does not mention any
exception but {{java.nio.file.FileTreeIterator.hasNext()}} is happy to throw an
{{IllegalStateException}}.
> LastModifiedFileComparator should not throw exceptions, period
> --------------------------------------------------------------
>
> Key: IO-813
> URL: https://issues.apache.org/jira/browse/IO-813
> Project: Commons IO
> Issue Type: Bug
> Reporter: Elliotte Rusty Harold
> Priority: Major
>
> LastModifiedFileComparator is likely broken by design since it can
> unexpectedly throw UncheckedIOException. This violates the contract of
> Comparable.compareTo which is not documented to throw that exception.
> I analyzed almost this exact case in detail here:
> https://medium.com/@elharo/when-you-cant-throw-an-exception-b9f9b0db9ba4
> I'm not sure how to fix this now, but I'm, tempted to simply deprecate this
> entire class.
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