rabbitmq 启动报错！

-- rabbit boot start
starting file handle cache server                                     ...done
starting worker pool                                                  ...done
starting database                                                     ...

BOOT FAILED
===========

Timeout contacting cluster nodes. Since RabbitMQ was shut down forcefully
it cannot determine which nodes are timing out. Details on all nodes will
follow.

DIAGNOSTICS
===========

nodes in question: ['rabbit@wujj-MacBook']

hosts, their running nodes and ports:
- wujj-MacBook: [{rabbit,50486}]

current node details:
- node name: 'rabbit@wujj-macbook'
- home dir: /Users/wujj
- cookie hash: B7qAInGylmL36bd1SWpClw==


{"Kernel pid terminated",application_controller,"{application_start_failure,rabbit,{bad_return,{{rabbit,start,[normal,[]]},{'EXIT',{rabbit,failure_during_boot}}}}}"}

Crash dump was written to: erl_crash.dump
Kernel pid terminated (application_controller) ({application_start_failure,rabbit,{bad_return,{{rabbit,start,[normal,[]]},{'EXIT',{rabbit,failure_during_boot}}}}})
bash-3.2#