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Date: Tue, 13 Mar 2012 21:00:40 +0000 (UTC)
From: "Sebb (Updated) (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (IO-223) IOUtils.copy Javadoc inconsistency
 (return -1 vs. throw ArithmeticException)
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     [ https://issues.apache.org/jira/browse/IO-223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebb updated IO-223:
--------------------

    Fix Version/s: 2.0
    
> IOUtils.copy Javadoc inconsistency (return -1 vs. throw ArithmeticException)
> ----------------------------------------------------------------------------
>
>                 Key: IO-223
>                 URL: https://issues.apache.org/jira/browse/IO-223
>             Project: Commons IO
>          Issue Type: Bug
>          Components: Utilities
>    Affects Versions: 1.3, 1.3.1, 1.3.2, 1.4
>            Reporter: Adam Michalik
>             Fix For: 2.0
>
>
> The javadoc for IOUtils.copy says:
> "Large streams (over 2GB) will return a bytes copied value of -1 after the copy has completed since the correct number of bytes cannot be returned as an int."
> but then it says:
> "Throws:
> ArithmeticException - if the byte count is too large"
> This is an inconsistency since -1 is always returned if the byte count is too large. ArithmeticException is never actually thrown.
> See IO-84 for discussion on solving the "too large byte count" problem.

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