[rabbitmq-discuss] errors from management plugin appear to stop messages delivery

Wed Aug 3 09:42:06 BST 2011

Hi,

Could we have some updates on this issue, please? I think we experienced the
same thing with RabbitMQ 2.5.0. We temporarily disabled all plugins, and
everything seemed to work again. We didn't get anything worth of interest in
the logs this time, but we had the "JSON encode error:
{bad_term,{messages,0}}" error a few days ago (at this time we were still
using RabbitMQ 2.4.1). Could it be the same problem, if it has not been
fixed yet?

Regards,

Valentin.

2011/4/25 Ian Ragsdale <ian.ragsdale at gmail.com>

> On Apr 23, 2011, at 11:33 AM, Matthias Radestock wrote:
>
> > Ian Ragsdale wrote:
> >> This just happened again.
> >
> > Is this in 2.4.1 with Simon's patched management plug-in?
>
> Sorry, somehow I completely missed the message he sent with the updated
> plugin - I just installed it.  Thanks!
>
> >> every connection is listed as 'blocked'.
> >
> > That indicates rabbit has paused all producers since memory is tight.
> >
> > What memory limit does rabbit thinks it has? Check the rabbit.log file
> near the beginning.
>
> =INFO REPORT==== 25-Apr-2011::13:29:44 ===
> Memory limit set to 3080MB.
>
> >
> > Next time you see rabbit stuck like that, please capture the output of
> (nearly) all 'rabbitmqctl list_*' commands i.e. users, vhosts, exchanges,
> queues, bindings, connections, channels, consumers,
>
> Will do.  Hopefully the updated plugin will mean that I don't have to.
>
> >
> > Also, if you can, try not to mix producers and consumers on the same
> connection. That will allow consumers to continue receiving messages and ack
> them even when rabbit has blocked producer connections.
> >
>
> Thanks - that's good to know.
>
> - Ian
>
>
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