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<p class="MsoNormal">Hello everyone,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m having a very weird issue with erlang that I’m hoping you all may be able to shed some light on. Long story short, we’re using a 3<sup>rd</sup> party product that in turn uses RabbitMQ, which as we all know, uses Erlang. RabbitMQ will
not start and I’ve tracked the issue down to the point where Erlang will start when a short node name is used (-sname rabbit@%computername%), but will not start with a long node name (-name
<a href="mailto:rabbit@%25computername%25.domain.com">rabbit@%computername%.domain.com</a>). I’ve tested forward and reverse lookups of the FQDN via nslookup and the correct address is returned in all cases. I’ve also put the FQDN and hostname in the hosts
file, which did not change the behavior.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">When using the long name, the erl.exe process dies immediately and does not print any error messages to the console. When it does die, Windows runs WERFault.exe, shows the familiar “erl.exe has stopped working” message, and creates the
following entry in the event log:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Faulting application name: erl.exe, version: 0.0.0.0, time stamp: 0x52e15856<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Faulting module name: MSVCR100.dll, version: 10.0.40219.1, time stamp: 0x4d5f034a<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Exception code: 0xc0000005<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Fault offset: 0x000000000003c120<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Faulting process id: 0x1344<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Faulting application start time: 0x01d26b5c79195ddd<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Faulting application path: C:\Program Files\ArcGIS\Server\framework\runtime\rabbitmq\erlang\bin\erl.exe<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Faulting module path: C:\Windows\SYSTEM32\MSVCR100.dll<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Report Id: b6d11c0f-d74f-11e6-80e1-00505607156a<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in;text-autospace:none"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif">Faulting package full name:
<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Other pertinent information:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Operating system is Windows Server 2012<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Erlang version is 5.10.4<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Host is a virtual server (vmware)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Host was migrated from on-prem to IaaS service, during which MAC address changed<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>IPv6 is disabled on the network adapter<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Separate/isolated install of erlang 5.10.4 exhibits same behavior, so this ‘feels’ like a hardware/OS issue and not software configuration<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>When running EPMD in debug mode and using a short name, I can see erl.exe register. When using a long name, it appears that erl.exe does not attempt to register (or fails).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">So, my questions:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Has anyone seen this before?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>If not, what differs in the startup process of erl.exe when a short name is used vs. a long name?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Could a change in MAC address have any effect on this?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>What (if any) checks does erlang do when started with a long name vs short name (DNS wise)?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance for all of your help,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-David<span style="font-size:8.0pt;font-family:"Segoe UI",sans-serif;color:gray"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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