[rabbitmq-discuss] STOMP adapter lose the last message of a burst

Tue May 22 17:10:56 BST 2012

José,

I have found what I think is the fix to this problem, and it will go
into the next release.

Thank you for reporting it.

Steve Powell  (a happy bunny)
----------yet more definitions from the SPD----------
corrugate (n.) T.V. soap scandal.
olympic (n.) A camp road-digger.
jamboree (n.) A conserve made from French cheese.

On 22 May 2012, at 10:38, Steve Powell wrote:

> José,
> 
> Thank you for all the investigation you are doing. I have caught up and
> yesterday convinced myself that it is indeed our bug. The Wireshark
> traces confirm that all the messages are actually sent. I have produced
> my own version of your testcase with numbered messages to test which
> ones fail to get through. I've also ended the app with a DISCONNECT, but
> still we lose one of the messages.
> 
> I'm going to look more closely at the STOMP stuff, and have raised a bug
> (24957) to track this internally. I'll get back to you as soon as I find
> out where this is getting lost.
> 
> Incidentally, it is apparently the last message in a packet that is not
> being picked up, and it is not obvious why this should be so. Putting
> the DISCONNECT on the end I thought would cure it, but it didn't; which
> is very strange. Of course, I don't wait for a receipt on the
> DISCONNECT; but closing too soon is not the problem.
> 
> Steve Powell  (a happy bunny)
> ----------some more definitions from the SPD----------
> chinchilla (n.) Cooling device for the lower jaw.
> socialcast (n.) Someone to whom everyone is speaking but nobody likes.
> literacy (n.) A textually transmitted disease usually contracted in childhood.
> 
> On 22 May 2012, at 01:23, José Micó wrote:
> 
>> Forget my suggestion about process_received_bytes(), I was looking at the wrong repository, ha.
>> 
>> Well, here is attached the best test case I got so far: a Python script that sends very quickly 1001 messages, the first 1000 ones to queue "stomp_bug" and the last one to another queue "stomp_bug_last".
>> 
>> Running it several times, can be found that sometimes the last message is lost (and only the last message).
>> I've executed it 20 times, and got only 10 messages into queue "stomp_bug_last".
>> 
>> I looked at the actual source code in mercurial, and I really cannot help with that...
>> 
>> 
>> José
>> <stomp_bug_2.py>
> 
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