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[问题解决] 启动mongod 时,出现addr already in use错误

2013-09-16 10:55 483 查看
错误:

启动mongod

root@wangyuyu-Vostro-1440:/usr/bin# ./mongod


错误提示:

Sat Aug 17 09:02:02 [initandlisten] ERROR: listen(): bind() failed errno:98 Address already in use for socket: 0.0.0.0:27017
Sat Aug 17 09:02:02 [initandlisten] ERROR:   addr already in use


原因:

启动mongod时端口被占用。

解决方案:

使用命令

root@wangyuyu-Vostro-1440:/usr/bin# netstat -anp|more


可以看到客户端还保持着与服务器的连接

Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 127.0.0.1:28017         0.0.0.0:*               LISTEN      953/mongod
tcp        0      0 127.0.0.1:53            0.0.0.0:*               LISTEN      1546/dnsmasq
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN     653/cupsd
tcp        0      0 127.0.0.1:27017         0.0.0.0:*               LISTEN      953/mongod
tcp        1      0 192.168.5.124:56874     91.189.89.144:80        CLOSE_WAIT  1913/ubuntu-geoip-p
tcp        0      1 192.168.5.124:45890     220.181.111.24:80       FIN_WAIT1   -
tcp        0      0 192.168.5.124:44867     219.148.35.218:80       ESTABLISHED 2219/firefox


杀死953进程

root@wangyuyu-Vostro-1440:/usr/bin# kill -9 953


再次察看服务器链接状态:

Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 127.0.0.1:53            0.0.0.0:*               LISTEN      1546/dnsmasq
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN      653/cupsd
tcp        0      0 192.168.5.124:60805     61.172.207.130:80       TIME_WAIT   -
tcp        1      0 192.168.5.124:56874     91.189.89.144:80        CLOSE_WAIT  1913/ubuntu-geoip-p
tcp        0      0 192.168.5.124:54370     117.79.157.237:80       TIME_WAIT   -


OK已经成功杀掉进程。

root@wangyuyu-Vostro-1440:/usr/bin# ./mongod

Sat Aug 17 09:32:25 [initandlisten] waiting for connections on port 27017
Sat Aug 17 09:32:25 [websvr] admin web console waiting for connections on port 28017


问题解决。
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