[Openstack] [neutron] Connection to neutron failed: Maximum attempts reached

Li, Leon Leon.Li2 at emc.com
Fri Oct 18 09:05:01 UTC 2013


From the output, the RabbitMQ should be fine, right?
root at xxxxxx:~# service rabbitmq-server status
Status of node rabbit at i2052247 ...
                        {os_mon,"CPO  CXC 138 46","2.2.7"},
                        {sasl,"SASL  CXC 138 11","2.1.10"},
                        {mnesia,"MNESIA  CXC 138 12","4.5"},
                        {stdlib,"ERTS  CXC 138 10","1.17.5"},
                        {kernel,"ERTS  CXC 138 10","2.14.5"}]},
{erlang_version,"Erlang R14B04 (erts-5.8.5) [source] [64-bit] [rq:1] [async-threads:30] [kernel-poll:true]\n"},
root at xxxxxx:~#


From: Sushma Korati [mailto:sushma_korati at persistent.co.in]
Sent: 2013年10月13日 0:23
To: Li, Leon
Cc: openstack at lists.openstack.org
Subject: RE: [Openstack] [neutron] Connection to neutron failed: Maximum attempts reached

Hi Li,

I am not sure how to clear connection pool but even we faced a similar issued because rabiitmq server was not running.
Can you check if AMQP server is running properly or not?

Sushma Korati
sushma_korati at persistent.co.in<mailto:sushma_korati at persistent.co.in> | Tel: +91(40)674 42244
Persistent Systems Ltd. |  Partners in Innovation | www.persistentsys.com<http://www.persistentsys.com>
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From: Li, Leon [Leon.Li2 at emc.com]
Sent: Saturday, October 12, 2013 2:04 PM
To: openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>
Subject: [Openstack] [neutron] Connection to neutron failed: Maximum attempts reached

I’m installing Havana and meet a problem when run command “neutron agent-list”.
root at i2052247:~# neutron agent-list
Connection to neutron failed: Maximum attempts reached
Actually it would have same failure when run any neutron command.
I found bugs https://bugs.launchpad.net/neutron/+bug/1211915 and https://bugs.launchpad.net/nova/+bug/1229475/comments/14. Workaround is “ Forcibly clear connection pool“.
Does anyone know how to clear connection pool on Neutron/Havana?


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