<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif; "><div>Hi RabbitMQ devs,</div><div><br></div><div>I have found a bug starting rabbitmq in a linux pure IPv6 environment where /etc/resolv.conf has a "nameserver" line specifying an IPv6 address. This is what I see:</div><div><br></div><div><div># service rabbitmq-server start</div><div>Starting rabbitmq-server: FAILED - check /var/log/rabbitmq/startup_{log, _err}</div><div>rabbitmq-server.</div></div><div># cat /var/log/rabbitmq/startup_log </div><div>ERROR: epmd error for host "a4ipn434": address (cannot connect to host/port)</div><div><br></div><div>Note that /etc/hosts specifies the FQ and short hostnames of the machine:</div><div><div><br></div><div>2620:0:170:586::1:1<span class="Apple-tab-span" style="white-space:pre"> </span>a4ipn434.xxxxxxxxxxx a4ipn434</div></div><div><br></div><div>And /etc/resolv.conf specifies a nameserver with an IPv6 address:</div><div><br></div><div>nameserver 2620:0:170:58e::4</div><div><br></div><div>If I comment out this nameserver line in resolv.conf, then rabbitmq starts with no problem:</div><div><br></div><div><div># service rabbitmq-server start</div><div>Starting rabbitmq-server: SUCCESS</div><div>rabbitmq-server.</div></div><div><div># cat /var/log/rabbitmq/startup_log </div><div><br></div><div> RabbitMQ 3.2.0. Copyright (C) 2007-2013 GoPivotal, Inc.</div><div> ## ## Licensed under the MPL. See http://www.rabbitmq.com/</div><div> ## ##</div><div> ########## Logs: /data01/avamar/var/rabbitmq/log/rabbit@a4ipn434.log</div><div> ###### ## /data01/avamar/var/rabbitmq/log/rabbit@a4ipn434-sasl.log</div><div> ##########</div><div> Starting broker... completed with 0 plugins.</div></div><div><br></div><div>Also, FYI, I tried this with rabbitmq versions 3.2.1-1 and 3.2.0-1.</div><div><br></div><div>Thanks,</div><div>Ed</div></body></html>