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From Roland Hänel (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HTTPCORE-312) LengthDelimitedEncoder fails on content length > 32 bit
Date Tue, 18 Sep 2012 15:48:07 GMT

    [ https://issues.apache.org/jira/browse/HTTPCORE-312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13457892#comment-13457892
] 

Roland Hänel commented on HTTPCORE-312:
---------------------------------------

Oleg,

I can confirm that the bug is fixed and everything works fine now. I have put the latest snapshot
of 4.2.x in our production environment and will replace that as soon as 4.2.2 becomes available.

Thank you very much again.

Greetings,
Roland

                
> LengthDelimitedEncoder fails on content length > 32 bit
> -------------------------------------------------------
>
>                 Key: HTTPCORE-312
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-312
>             Project: HttpComponents HttpCore
>          Issue Type: Bug
>          Components: HttpCore NIO
>    Affects Versions: 4.2
>            Reporter: Roland Hänel
>            Priority: Critical
>             Fix For: 4.2.2
>
>
> The LengthDelimitedEncoder class fails to deliver contents that are larger than 2GB,
because the write(final ByteBuffer src) method incorrectly calculates
>    int lenRemaining = (int) (this.contentLength - this.len);
> For example, if this.contentLength is 3,000,000,000 and this.len is 0, then lenRemaining
will be negative and things will go wrong in the process.
> Changing the line to
>    long lenRemaining = this.contentLength - this.len;
> will fix this bug (maybe src.remaining() needs to be casted to (long) in the following
if statement).

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