I am just interested in understanding when the broker assumed responsibility 
for a specific message. I will use this trace information to go in a bit deeper 
in my tests where I am loosing messages in some scenarios - like 
http://activemq.2283324.n4.nabble.com/Message-loss-in-network-of-brokers-transactional-send-td3588714.html#a3602343.

So basically I will repeat my tests with trace=true, pointpoint the exact 
location where the message is dropped and try to understand whether broker is 
killed before it assumed responsibility for it or not. If it hasn't assumed 
responsibility, then I will need to do something on the client code to trap 
that case (no need for a JIRA!).

PS: These messages are all persistent and should not be lost. That's why I am 
trying to trace "I've safely stored your message" response from broker to 
producer.

-----Original Message-----
From: Gary Tully [mailto:gary.tu...@gmail.com]
Sent: 27 June 2011 14:42
To: users@activemq.apache.org
Subject: Re: Tracing Broker to Producer Acks

That is a response to the send request with responseRequired=true, note the 
correlationId = 13 which corresponds to the RECEIVED commandId=13.
So it confirms the receipt/store of the message.

A producerAck, used for flow control would be a separate request. Is that what 
you are interested in, producer flow control ?

On 27 June 2011 14:24, Ozan Seymen <ozan.sey...@tdpg.com> wrote:
> Thanks for this Gary.
>
> Is it possible to quickly confirm whether the line starting with "SENDING" is 
> the ack returned from broker to the producer please?
>
> 2011-06-27 14:15:33,352 | DEBUG | RECEIVED: ActiveMQTextMessage
> {commandId = 13, responseRequired = true, messageId =
> ID:HAM-NB-073-58760-634447809330389070-1:0:1:1:10,
>
> 2011-06-27 14:15:33,354 | DEBUG | DB.DC1 toPageIn: 200, Inflight: 0,
> pagedInMessages.size 0, enqueueCount: 20, dequeueCount: 0 |
> org.apache.activemq.broker.region.Queue | Queue:DB.DC1
>
> 2011-06-27 14:15:33,356 | DEBUG | SI.DC1 toPageIn: 200, Inflight: 0,
> pagedInMessages.size 0, enqueueCount: 20, dequeueCount: 0 |
> org.apache.activemq.broker.region.Queue | Queue:SI.DC1
>
> 2011-06-27 14:15:33,359 | DEBUG | Q.OUT.ToDC2.DC1 toPageIn: 190,
> Inflight: 0, pagedInMessages.size 0, enqueueCount: 20, dequeueCount: 0
> | org.apache.activemq.broker.region.Queue | Queue:Q.OUT.ToDC2.DC1
>
> 2011-06-27 14:15:33,359 | DEBUG | SENDING: Response {commandId = 0,
> responseRequired = false, correlationId = 13} |
> org.apache.activemq.transport.TransportLogger.Connection:2 | ActiveMQ
> Transport: tcp:///0:0:0:0:0:0:0:1:58759
>
>
> -----Original Message-----
> From: Gary Tully [mailto:gary.tu...@gmail.com]
> Sent: 23 June 2011 17:45
> To: users@activemq.apache.org
> Subject: Re: Tracing Broker to Producer Acks
>
> use trace=true on the brokerURL to see all commands, including the 
> producerAck from the broker.
> see: http://activemq.apache.org/tcp-transport-reference.html
>
> On 17 June 2011 11:35, Ozan Seymen <ozan.sey...@tdpg.com> wrote:
>> Hi,
>>
>> Is there any way for me to trace acks sent from broker to producer? Are 
>> there any configuration settings that I can set in log4j.properties?
>>
>> Regards,
>> Ozan
>>
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