[rabbitmq-discuss] Interpreting "Processing Error" log message

[Toby Corkindale]

On 07/12/11 10:18, Toby Corkindale wrote:
> On 06/12/11 21:56, Simon MacMullen wrote:
>> Hi Toby.
>>
>> That error is saying that the STOMP adaptor tried to publish a message
>> into the broker but the channel it was aiming to publish to had died -
>> in other words it's a second order problem. Are there other errors
>> before it in the log?
>
> Five seconds earlier there was an error:
> =ERROR REPORT==== 6-Dec-2011::10:16:15 ===
> connection <0.20.170>, channel 1 - error:
> {amqp_error,precondition_failed,"unknown delivery tag 2",'basic.ack'}
>
> It didn't look like that has caused the application to fail, but are you
> saying it is probably related?
>
> It's not entirely clear what that error means to me either, other than
> that there was a problem with an ack somewhere. (Which I'll try and
> track down now)

The error about basic.ack occurs when I'm doing a client acknowledge of 
a message that was received via a /temp-queue/.

Avoiding it solves the current issue.

> Is there a way to decode these error reports?
> As someone who isn't familiar with Erlang, nor the internal source code
> of RMQ, these errors are quite daunting.
>
> Thanks again for your help,
> Toby
>
>> On 06/12/11 10:24, Toby Corkindale wrote:
>>> Hi,
>>> I'm getting the dreaded "Processing Error" error frames back from a
>>> 2.7.0 broker.
>>>
>>> I'm looking at the rabbitmq log messages, but I'm not sure how to
>>> interpret them to determine what's wrong. This is what they say (may
>>> wrap)
>>> PS. This is going via the STOMP adaptor.
>>> Thanks in advance,
>>> Toby
>>>
>>> =ERROR REPORT==== 6-Dec-2011::10:16:20 ===
>>> STOMP error frame sent:
>>> Message: "Processing error"
>>> Detail: "Processing error\n"
>>> Server private detail: {noproc,
>>> {gen_server,call,
>>> [<0.27.170>,
>>> {call,
>>> {'basic.publish',0,<<"amq.topic">>,
>>> <<"websurvey.adonai.1234">>,false,false},
>>> {amqp_msg,
>>> {'P_basic',undefined,undefined,
>>> [{<<"content-length">>,longstr,<<"2">>},
>>> {<<"x-method">>,longstr,<<"deploy">>}],
>>> undefined,undefined,undefined,
>>>
>>> <<"/topic/websurvey.commander.9923">>,undefined,
>>> undefined,undefined,undefined,undefined,
>>> undefined,undefined},
>>> <<"{}">>},
>>> <0.17.170>},
>>> infinity]}}
>>>
>>>
>>> _______________________________________________
>>> rabbitmq-discuss mailing list
>>> rabbitmq-discuss at lists.rabbitmq.com
>>> https://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-discuss
>>
>>
>
>


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