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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi everyone,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m having problems clustering RabbitMQ on EC2 in Windows.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Apologies for the length of this post, but I thought it best to include all my steps:<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo4'><![if !supportLists]><span style='mso-list:Ignore'>a)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>to help with diagnosis<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo4'><![if !supportLists]><span style='mso-list:Ignore'>b)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>for anyone else who wants to set up a Windows RabbitMQ HA cluster on EC2 (if we manage to resolve the issue!)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here’s what I’ve done so far:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l3 level1 lfo3'><![if !supportLists]><span style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Started 2x EC2 Windows Server 2008 RC2 instances in a ‘Rabbit’ security group<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l3 level1 lfo3'><![if !supportLists]><span style='mso-list:Ignore'>2)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>On each EC2 instance:<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Installed Erlang R15B02 Windows 64 Bit Binary File with MSVCR100<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>installed RabbitMQ v2.8.7<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>installed the management plugin<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>reinstalled the service to enable the plugin: <a href="http://www.rabbitmq.com/plugins.html#windows-restart">http://www.rabbitmq.com/plugins.html#windows-restart</a><o:p></o:p></p><p class=MsoListParagraph><o:p> </o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>opened up Windows Firewall port 4369 (for Erlang Epmd)<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>opened up Windows Firewall port 5672 (the node port)<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>opened up Windows Firewall port range 55700-55800 (for erlang node kernel communication)<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>opened up Windows Firewall port 55672 (for the management website, not strictly necessary)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>copied an identical ‘.erlang.cookie’ file to:<o:p></o:p></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l4 level2 lfo2'><![if !supportLists]><span style='font-family:"Courier New"'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>C:\Windows<o:p></o:p></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l4 level2 lfo2'><![if !supportLists]><span style='font-family:"Courier New"'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>C:\Users\Administrator<o:p></o:p></p><p class=MsoListParagraph style='margin-left:72.0pt'><o:p> </o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Created ‘rabbit.config’:<o:p></o:p></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l4 level2 lfo2'><![if !supportLists]><span style='font-family:"Courier New"'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>Located in C:\Users\Administrator\AppData\Roaming\RabbitMQ’<o:p></o:p></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l4 level2 lfo2'><![if !supportLists]><span style='font-family:"Courier New"'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>with contents: [{kernel, [{inet_dist_listen_min, 55700}, {inet_dist_listen_max, 55800}]}].<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l3 level1 lfo3'><![if !supportLists]><span style='mso-list:Ignore'>3)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>In the ‘Rabbit’ security group:<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>opened up ports 4369, 5672, 55672, 55700-55800<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>NOTE: I initially had problems installing on one instance, creating an AMI from the installation and starting up another instance from that AMI – ‘rabbitmqctl status’ always indicated the node wasn’t running, so I uninstalled RabbitMQ then reinstalled it and this worked. My guess would be it’s something related to the computer name, but I’m not sure what, since the database should have been recreated with the new instance name (if indeed it did change) when it started up. I can’t think of anything else that would cause this (any suggestions?)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l3 level1 lfo3'><![if !supportLists]><span style='mso-list:Ignore'>4)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Followed the clustering instructions: <a href="http://www.rabbitmq.com/clustering.html">http://www.rabbitmq.com/clustering.html</a>.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The problem is when attempting to cluster. Running the command:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph>C:\Program Files (x86)\RabbitMQ Server\rabbitmq_server-2.8.7\sbin>rabbitmqctl cluster <a href="mailto:rabbit@ec2-XX-XX-XX-XX.compute-1.amazonaws.com">rabbit@ec2-XX-XX-XX-XX.compute-1.amazonaws.com</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I get the result:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-indent:36.0pt'>Clustering node 'rabbit@IP-0XXXXXXX' with ['rabbit@ec2- XX-XX-XX-XX.compute-1.amazonaws.com'] ...<o:p></o:p></p><p class=MsoNormal style='text-indent:36.0pt'>Error: {no_running_cluster_nodes,['rabbit@ec2- XX-XX-XX-XX.compute-1.amazonaws.com'], ['rabbit@ec2- XX-XX-XX-XX.compute-1.amazonaws.com']}<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I think this is because I’m attempting to use the EC2 Public DNS.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I then added mappings to my hosts file, to map to my two instances:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-indent:36.0pt'>10.XXX.XX.XX rabbit01 # Public DNS: ec2-XX-XX-XX-XX.compute-1.amazonaws.com<o:p></o:p></p><p class=MsoNormal style='text-indent:36.0pt'>10.XXX.XX.XX rabbit02 # Public DNS: ec2-XX-XX-XX-XX.compute-1.amazonaws.com<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Running the command (with different hostname):<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-indent:36.0pt'>C:\Program Files (x86)\RabbitMQ Server\rabbitmq_server-2.8.7\sbin>rabbitmqctl cluster <a href="mailto:rabbit@ec2-XX-XX-XX-XX.compute-1.amazonaws.com">rabbit@rabbit02</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I get the same result:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-indent:36.0pt'>Clustering node 'rabbit@ IP-0AAXXXXX’ with [rabbit@rabbit02] ...<o:p></o:p></p><p class=MsoNormal style='text-indent:36.0pt'>Error: {no_running_cluster_nodes,[rabbit@rabbit02],[rabbit@rabbit02]}<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I know this mapping can be used to access the other Windows computer, because I can use it to access the management console in a web browser:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-indent:36.0pt'><a href="http://rabbit02:55672/#/">http://rabbit02:55672/#/</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I then tried to change the computer name from IP-0AAXXXXX to rabbit01 (in case this was a problem) but upon reboot, it hadn’t changed. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Does anyone have any suggestions?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'>Rich</span><o:p></o:p></p></div></body></html>