[rabbitmq-discuss] The rabbitmq-server stop command hangs

[Tim Watson]

Hi Liz,

Would you mind running the trace (against a stuck rabbit) again please? You'll need to download the latest version of the tool from https://github.com/hyperthunk/suptree_inspect/downloads and run it like so:

$ escript suptree_inspect.beam rabbit@<host> rabbit_shovel_sup | tee output-shovel.log

Many thanks!

Tim

On 28 Nov 2012, at 22:44, Tim Watson wrote:

> Hi Liz,
> 
> On 28 Nov 2012, at 19:45, Elizabeth Liao wrote:
> 
>> I've attached the rabbitmq.config, rabbit.log, rabbit-sasl.log of the node that we're running.
>> 
>>> Are you clustered (I'm assuming yes) and have you got some mirrored queues set up (also assuming yes)?
>> We don't have clustering set up so no mirrored queues either.
>> 
> 
> Yes of course, I should've spotted that from the trace.
> 
>>> And can you get the shovel status ("rabbitmqctl eval
>> 'rabbit_shovel_status:status().'") at the time the shutdown is hanging?
>> 
>> # rabbitmqctl eval 'rabbit_shovel_status:status().'
>> [{shovelB_realtime,starting,{{2012,11,28},{14,9,20}}},
>> {shovelB,starting,{{2012,11,28},{14,9,20}}},
>> {shovelA,
>>    {running,
>>        {source,
>>            {amqp_params_direct,<<"guest">>,none,<<"/">>,rabbit at TEST2,
>>                none,[]}},
>>        {destination,
>>            {amqp_params_network,<<"user1">>,<<"pass1">>,<<"/">>,
>>                "server.local",undefined,0,0,5,infinity,none,
>>                [#Fun<amqp_uri.7.123484526>,#Fun<amqp_uri.7.123484526>],
>>                [],[]}}},
>>    {{2012,11,28},{14,9,25}}}]
>> ...done.
>> 
> 
> Well unsurprisingly, Matthias was right about Shovel. Looks like the shovel plugin is stuck - can you explain what your shovel configuration is meant to be doing? It seems shovelB_realtime and shovelB are both hung during startup - are these guys meant to be sending data or receiving it? And shovelA - is that using a direct (Erlang) connection to obtain data from rabbit at Test2 (the source) and send it to the local server (on which it is currently running) using a network based connection? I'm a bit confused about that setup - why not the other way around? - though I've not really spent much time looking at the shovel plugin tbh so it may be I'm missing something very obvious.
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