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From "Niall Pemberton (JIRA)" <j...@apache.org>
Subject [jira] Commented: (IO-84) Many classes are limited to length of stream < 2 GB, and behave incorrectly on larger streams
Date Thu, 12 Oct 2006 08:30:36 GMT
    [ http://issues.apache.org/jira/browse/IO-84?page=comments#action_12441663 ] 
            
Niall Pemberton commented on IO-84:
-----------------------------------

Committed those changes to IOUtils to add copyLarge() methods and throw and ArithmeticException
in the original copy() methods.

I have modifications to the IOUtils unit tests (IOUtilsCopyTestCase) to test the changes,
but they use the MockInputStream and MockReader implementations from IO-94 - so I'll hold
off committing those until the decison on what to do with those implementations is made.

> Many classes are limited to length of stream < 2 GB, and behave incorrectly on larger
streams
> ---------------------------------------------------------------------------------------------
>
>                 Key: IO-84
>                 URL: http://issues.apache.org/jira/browse/IO-84
>             Project: Commons IO
>          Issue Type: Bug
>          Components: Utilities
>    Affects Versions: 1.2
>         Environment: All
>            Reporter: Evgenii Philippov
>             Fix For: 1.3
>
>         Attachments: io-84-files-larger-than-2gb.patch
>
>
> java int.MAX_VALUE is 2 GB. Classes that handle streams larger than 2 GB will behave
incorrectly.
> For example, see 
> http://svn.apache.org/viewvc/jakarta/commons/proper/io/trunk/src/java/org/apache/commons/io/IOUtils.java?view=markup
> Method: int copy(InputStream input, OutputStream output).
> The correct method would be: long copy(InputStream input, OutputStream output).
> This issue may affect many classes and routines.

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