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From "Dhawan, Vikram \(LNG-DAY\)" <>
Subject RE: is there a character limit in message selector
Date Thu, 21 Sep 2006 14:29:40 GMT

I haven't seen any explanation of why AMQ with STOMP C client doesn't
respond to the message selectors. 

It appears to me, even if i have a very small selector (small in
character length) in my STOMP C client it doesn't work. But if I have a
NULL check in my selector on some message property, it seems to be

Very Inconsistent????

I will appreciate if some one can help me with that. This issue is
getting critical for me as I am getting ready use AMQ in one of our
production system. We may have to re think this decision if there is a
serious problem with selectors. 



-----Original Message-----
From: Dhawan, Vikram (LNG-DAY) [] 
Sent: Friday, September 15, 2006 9:57 AM
Subject: RE: is there a character limit in message selector


Thanks for your reply. I am not sure where should I look for the bug.
APR or STOMP implementation. I have looked at the STOMP client library
(which solely rely on APR lib), and I don't see anything there which may
have caused that behavior. 

If the developer of this stomp client (Hiram??), can provide some
guidance that will be helpful. 


-----Original Message-----
From: James Strachan [] 
Sent: Friday, September 15, 2006 2:53 AM
Subject: Re: is there a character limit in message selector

Not on the Java side no - there could be in a stomp client's
implementation maybe but that should be pretty easy to fix

On 9/15/06, vik Dhawan <> wrote:
> Hi,
> I want to know if there is a AMQ specific character limit in message
> selector. I am using STOMP C and message selector is working when I am
> checking a message header value for null/not null. But in another
> I am checking for a string in one of the message header property, the
> of the string I am looking for is around 100bytes. So first question
came to
> my mind was is there any size limit there?
> Thanks!.
> --
> View this message in context:
> Sent from the ActiveMQ - Dev forum at



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