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在其他SO帖子中已经介绍了这一点，但不幸的是这些解决方案无法正常工作。如何重新启动/删除mongod的一个实例？
如何重新启动/删除mongod实例？
进入
$ mongod
我得到以下错误：
2016-01-24T09:49:19.557-0500 I CONTROL [initandlisten] MongoDB starting : pid=43675 port=27017 dbpath=/data/db 64-bit host=NAME-MacBook-Pro.local
2016-01-24T09:49:19.558-0500 I CONTROL [initandlisten] db version v3.0.8
2016-01-24T09:49:19.558-0500 I CONTROL [initandlisten] git version: 83d8cc25e00e42856924d84e220fbe4a839e605d
2016-01-24T09:49:19.558-0500 I CONTROL [initandlisten] build info: Darwin NAME-MacBook-Pro.local 15.2.0 Darwin Kernel Version 15.2.0: Fri Nov 13 19:56:56 PST 2015; root:xnu-3248.20.55~2/RELEASE_X86_64 x86_64 BOOST_LIB_VERSION=1_49
2016-01-24T09:49:19.558-0500 I CONTROL [initandlisten] allocator: system
2016-01-24T09:49:19.558-0500 I CONTROL [initandlisten] options: {}
2016-01-24T09:49:19.558-0500 E NETWORK [initandlisten] listen(): bind() failed errno:48 Address already in use for socket: 0.0.0.0:27017
2016-01-24T09:49:19.558-0500 E NETWORK [initandlisten] addr already in use
2016-01-24T09:49:19.558-0500 I STORAGE [initandlisten] exception in initAndListen: 98 Unable to create/open lock file: /data/db/mongod.lock errno:13 Permission denied Is a mongod instance already running?, terminating
2016-01-24T09:49:19.558-0500 I CONTROL [initandlisten] dbexit: rc: 100
我明确地给了自己的权限有
sudo chown -R <USERNAME> /data/db
这不起作用。
我试图删除目录完全
sudo rm -rf /data/db
并重新创建
mkdir -p /data/db
但不幸的是，这并不工作。
我认为解决办法是删除该文件/data/db/mongod.lock，但它不存在：
rm /data/db/mongod.lock
别的我应该尝试一下呢？
编辑：使用mongod --port 12345，当我使用use admin然后db.shutdownServer()与不同的端口上运行之后，我得到以下错误：
2016-01-24T10:32:25.039-0500 I NETWORK trying reconnect to 127.0.0.1:27017 (127.0.0.1) failed
2016-01-24T10:32:25.039-0500 I NETWORK reconnect 127.0.0.1:27017 (127.0.0.1) ok
2016-01-24T10:32:25.040-0500 I NETWORK DBClientCursor::init call() failed
server should be down...
编辑2：
重新启动机器什么都不做。我试着mongod --port 27017访问默认的端口，然后
> use admin
> db.shutdownServer()
我得到的输出：
2016-01-25T12:05:32.163-0500 I NETWORK DBClientCursor::init call() failed
server should be down...
2016-01-25T12:05:32.166-0500 I NETWORK trying reconnect to 127.0.0.1:27017 (127.0.0.1) failed
2016-01-25T12:05:32.166-0500 W NETWORK Failed to connect to 127.0.0.1:27017, reason: errno:61 Connection refused
2016-01-25T12:05:32.166-0500 I NETWORK reconnect 127.0.0.1:27017 (127.0.0.1) failed failed couldn't connect to server 127.0.0.1:27017 (127.0.0.1), connection attempt failed