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    Le 15/05/2012 11:14, Shashi Kanth Boddula a écrit :
    <blockquote
cite="mid:CAJ7ruv57-=OnO-uKtSUGpjMc0992vCAFisxydW97PNEyQAsoEw@mail.gmail.com"
      type="cite">
      <div>Essex on Ubuntu 12.04.</div>
      <div><br>
      </div>
      <div>I am seeing these messages in noa-api.log file, and the nova
        is not functional in dashboard. I believe the problem is with
        rabbitmq, but i don't know how to solve this situation.</div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div>2012-05-15 14:20:11 ERROR nova.rpc.common
        [req-1d70ea22-fb6e-4be8-84f5-54cfd78698ac
        0c1bd987f8b84088983e17645067c225
        488ef90f59fd4bf68fc78f7086556af2] AMQP server on localhost:5672
        is unreachable: Socket closed. Trying again in 30 seconds.</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common Traceback (most
        recent call last):</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line
        446, in reconnect</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common     self._connect()</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line
        423, in _connect</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common    
        self.connection.connect()</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/kombu/connection.py", line
        154, in connect</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common     return
        self.connection</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/kombu/connection.py", line
        560, in connection</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common    
        self._connection = self._establish_connection()</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/kombu/connection.py", line
        521, in _establish_connection</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common     conn =
        self.transport.establish_connection()</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/kombu/transport/pyamqplib.py",
        line 255, in establish_connection</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common    
        connect_timeout=conninfo.connect_timeout)</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/kombu/transport/pyamqplib.py",
        line 52, in __init__</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common    
        super(Connection, self).__init__(*args, **kwargs)</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/amqplib/client_0_8/connection.py",
        line 144, in __init__</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common     (10, 30), #
        tune</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/amqplib/client_0_8/abstract_channel.py",
        line 95, in wait</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common    
        self.channel_id, allowed_methods)</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/amqplib/client_0_8/connection.py",
        line 202, in _wait_method</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common    
        self.method_reader.read_method()</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common   File
        "/usr/lib/python2.7/dist-packages/amqplib/client_0_8/method_framing.py",
        line 221, in read_method</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common     raise m</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common IOError: Socket
        closed</div>
      <div>2012-05-15 14:20:11 TRACE nova.rpc.common</div>
      <div>                                                             
                                                                       
          </div>
      <div><br>
      </div>
      <div>
        <div># service rabbitmq-server status</div>
        <div>Status of node rabbit@openstack ...</div>
        <div>[{pid,2137},</div>
        <div> {running_applications,[{rabbit,"RabbitMQ","2.7.1"},</div>
        <div>                        {os_mon,"CPO  CXC 138 46","2.2.7"},</div>
        <div>                        {sasl,"SASL  CXC 138 11","2.1.10"},</div>
        <div>                        {mnesia,"MNESIA  CXC 138
          12","4.5"},</div>
        <div>                        {stdlib,"ERTS  CXC 138
          10","1.17.5"},</div>
        <div>                        {kernel,"ERTS  CXC 138
          10","2.14.5"}]},</div>
        <div> {os,{unix,linux}},</div>
        <div> {erlang_version,"Erlang R14B04 (erts-5.8.5) [source]
          [64-bit] [smp:24:24] [rq:24] [async-threads:30]
          [kernel-poll:true]\n"},</div>
        <div> {memory,[{total,26413240},</div>
        <div>          {processes,10154960},</div>
        <div>          {processes_used,10134760},</div>
        <div>          {system,16258280},</div>
        <div>          {atom,1124441},</div>
        <div>          {atom_used,1120341},</div>
        <div>          {binary,69304},</div>
        <div>          {code,11134417},</div>
        <div>          {ets,742384}]},</div>
        <div> {vm_memory_high_watermark,0.39999999997628105},</div>
        <div> {vm_memory_limit,13491309772}]</div>
        <div>...done.</div>
      </div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div><br>
      </div>
      -- <br>
      Thanks & Regards,<br>
      Shashi Kanth<br>
      <br>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
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</pre>
    </blockquote>
    Nova connects to RabbitMQ through the defaults values  (
    localhost:5672) and credentials (guest)<br>
    Check for the address of your rabbitMQ in the config file
    (/etc/rabbitmq/rabbitMQ.config)<br>
    <br>
    and do this <br>
    nano /etc/rabbitmq/rabbitmq.config<br>
    [{rabbit, [{tcp_listeners, [{"127.0.0.1",5672}] }] } ]. #Paste this
    line<br>
    #Exit and SAVE<br>
    service start rabbitmq-server<br>
    <br>
    This certainly will make your rabbitMQ talk to Nova. otherwise there
    is something wrong with your nova<br>
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