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    Hi Naveen<br>
    <br>
    On 01/23/2013 10:19 AM, Naveen Kadiyala wrote:
    <blockquote
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      <div class="WordSection1">For clustering flowing the link <a
          moz-do-not-send="true"
          href="http://www.rabbitmq.com/clustering.html">http://www.rabbitmq.com/clustering.html</a>,
        was stuck while joining the clustering .<o:p></o:p>
        <p class="MsoNormal"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"><span style="color:#17365D">[root@domU-XXXX
            ]# rabbitmqctl join_cluster rabbit@domU-XXXXXX<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#17365D">Clustering node
            'rabbit@domU-XXXX with 'rabbit@domU-XXXXX ...<o:p></o:p></span></p>
        <p class="MsoNormal"><b><span style="color:red">Error:
              cannot_discover_cluster: The nodes provided are either
              offline or not running<o:p></o:p></span></b></p>
        <p class="MsoNormal"><span style="color:#17365D"><o:p>&nbsp;</o:p></span></p>
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    </blockquote>
    <br>
    That error message clearly states that there<span
      style="color:#17365D"></span> is some kind of connectivity problem
    between the nodes. I've not used Amazon EC2 before, but 60 seconds
    on google yielded this:
<a class="moz-txt-link-freetext" href="http://karlgrz.com/rabbitmq-highly-available-queues-and-clustering-using-amazon-ec2/">http://karlgrz.com/rabbitmq-highly-available-queues-and-clustering-using-amazon-ec2/</a><br>
    <br>
    Might I suggest you read through that and see if it helps.<br>
    <br>
    Regards,<br>
    Tim<br>
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