当我control+c 终止master进程的时候，报错

[xiaoji121]

/Users/dongming/dev/github/fdserver/node_modules/pm/lib/child.js:271
      handles[i].close();
                 ^
TypeError: Cannot call method 'close' of null
    at /Users/dongming/dev/github/fdserver/node_modules/pm/lib/child.js:271:18
    at Array.forEach (native)
    at Child.stop (/Users/dongming/dev/github/fdserver/node_modules/pm/lib/child.js:270:26)
    at /Users/dongming/dev/github/fdserver/node_modules/pm/lib/master.js:172:19
    at Array.forEach (native)
    at Master.shutdown (/Users/dongming/dev/github/fdserver/node_modules/pm/lib/master.js:171:27)
    at process.<anonymous> (/Users/dongming/dev/github/fdserver/node_modules/pm/lib/master.js:99:13)
    at process.EventEmitter.emit (events.js:98:17)
    at process.<anonymous> (/Users/dongming/dev/github/fdserver/node_modules/pm/lib/master.js:106:15)
    at process.EventEmitter.emit (events.js:92:17)

[xiaoji121]

貌似这个问题只有在起80端口没有加sudo时会出现，但是应该提示80端口没有启动起来啊

[email protected] ~/dev/github/fdserver $ node master.js
fork { '0': 'server', '1': 71109 }
fork { '0': 'server', '1': 71110 }
fork { '0': 'server', '1': 71111 }
fork { '0': 'server', '1': 71112 }
21 May 19:26:56 - create server: 80
21 May 19:26:56 - create server: 80
21 May 19:26:56 - create server: 80
21 May 19:26:56 - create server: 80
^C
/Users/dongming/dev/github/fdserver/node_modules/pm/lib/child.js:271
      handles[i].close();
                 ^
TypeError: Cannot call method 'close' of null
    at /Users/dongming/dev/github/fdserver/node_modules/pm/lib/child.js:271:18
    at Array.forEach (native)
    at Child.stop (/Users/dongming/dev/github/fdserver/node_modules/pm/lib/child.js:270:26)
    at /Users/dongming/dev/github/fdserver/node_modules/pm/lib/master.js:172:19
    at Array.forEach (native)
    at Master.shutdown (/Users/dongming/dev/github/fdserver/node_modules/pm/lib/master.js:171:27)
    at process.<anonymous> (/Users/dongming/dev/github/fdserver/node_modules/pm/lib/master.js:99:13)
    at process.EventEmitter.emit (events.js:98:17)
    at process.<anonymous> (/Users/dongming/dev/github/fdserver/node_modules/pm/lib/master.js:106:15)
    at process.EventEmitter.emit (events.js:92:17)