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From Timothy Bish <tabish...@gmail.com>
Subject Re: CMS - setStringProperty() max length
Date Mon, 25 Aug 2008 19:18:55 GMT
On Mon, 2008-08-25 at 12:01 -0700, FastEddie wrote:
> >From the Jira issue #190 
> https://issues.apache.org/activemq/browse/AMQCPP-190
> >> Max Property size for Strings is actually 65536 incorrect sign was
> >> causing the code to fails on soon on values above 32767.
> 
> I really appreciate you looking into this problem, and fixing it, getting
> the max up to 65k.
> 
> I'm curious why the behavior for StringProperties is different than for the
> text of the TextMessage itself (65k vs 2gb)?  Is it just set somewhere as
> the max length?  Or are they handled differently?
> 
> Is this an architecture limit that I need to account for in my
> implementation?

The difference essentially lies in the way the string length is encoded
for the string properties verses the content of a message itself.  The
content of the message allows for four bytes to define the length but
the string properties only allow for two, so its basically short vs int.

Regards
Tim.


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