[rabbitmq-discuss] RabbitMQ hangs, does not accept connections

[Alvaro Videla]

You could also try running some of the demos from the official Java client
to make sure is not a client problem that you have.

On Tue, Dec 13, 2011 at 11:42 AM, Simon MacMullen <simon at rabbitmq.com>wrote:

> Hmm. I can't really say anything from your description - can you post the
> logs somewhere? It's possible that your definition of "nothing unusual in
> the logs" differs from mine.
>
> And when you say that "the server refused attempts to connect", what
> exactly do you mean. You say that a TCP connection *could* be established -
> so does your client hang during AMQP handshaking? Disconnect? Something
> else?
>
> Cheers, Simon
>
>
> On 12/12/11 16:24, Dmitri Minaev wrote:
>
>> Hello,
>>
>> We use RabbitMQ for about a year now. From time to time I upgraded it
>> and switched from one server to another. About a month ago the last
>> such transition took place. I installed new RabbitMQ (2.7) on a new
>> server and our web application was reconfigured. Quite soon we faced
>> new problems. After some days of stable work clients could not connect
>> to RabbitMQ. I could list run rabbitmqctl, list queues, kill
>> connections, but the server refused attempts to connect. That is, TCP
>> socket was available and telnet could connect to port 5672, but the
>> AMQP connection could not be established. There was nothing unusual in
>> the logs. vm_memory_high_watermark is set to 0.7 and there's still
>> plenty of free memory.
>>
>> After a couple of such failures I tried to downgrade to 2.6.1, but the
>> problem remained. The last time I disabled IPv6, but today we hit the
>> same trouble again.
>>
>> I think I must have done something wrong when setting up the
>> environment, but what could that be?
>>
>> OS: Ubuntu 10.04 LTS.
>> 16GB RAM.
>> RabbitMQ 2.6.1
>> Erlang R13B03 (erts-5.7.4) (package erlang-nox from Ubuntu repository)
>> Client: php-amqplib
>>
>>
>
> --
> Simon MacMullen
> RabbitMQ, VMware
>
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