我通过 apt-get 在 ubuntu 12.04.2 LTS 上安装了新的 RabbitMQ 3.1.3，并尝试在同一台服务器上启动消费者，但我遇到了连接问题：
[PhpAmqpLib\Exception\AMQPRuntimeException]
Error Connecting to server(113): No route to host
有工作服务器的状态：
Status of node rabbit@ns1 ...
[{pid,2106},
{running_applications,[{rabbit,"RabbitMQ","3.1.3"},
{mnesia,"MNESIA CXC 138 12","4.5"},
{os_mon,"CPO CXC 138 46","2.2.7"},
{xmerl,"XML parser","1.2.10"},
{sasl,"SASL CXC 138 11","2.1.10"},
{stdlib,"ERTS CXC 138 10","1.17.5"},
{kernel,"ERTS CXC 138 10","2.14.5"}]},
{os,{unix,linux}},
{erlang_version,"Erlang R14B04 (erts-5.8.5) [source] [64-bit] [smp:4:4] [rq:4] [async-threads:30] [kernel-poll:true]\n"},
{memory,[{total,27728944},
{connection_procs,2704},
{queue_procs,5408},
{plugins,0},
{other_proc,9021680},
{mnesia,60016},
{mgmt_db,0},
{msg_index,31144},
{other_ets,770736},
{binary,1968},
{code,14560395},
{atom,1356081},
{other_system,1918812}]},
{vm_memory_high_watermark,0.4},
{vm_memory_limit,1262847590},
{disk_free_limit,1000000000},
{disk_free,214706556928},
{file_descriptors,[{total_limit,924},
{total_used,3},
{sockets_limit,829},
{sockets_used,1}]},
{processes,[{limit,1048576},{used,125}]}, …