mongodb服务器连接不上怎么解决？

Z时代
2024-01-10
分类：综合

mongodb服务器连接不上问题如下：

下载好mongodb-linux-x86_64-ubuntu1604-3.4.10.tgz并解压到 /usr/local/mongodb

在根目录下创建路径 /data/db

$ sudo mkdir -p /data/db

$ export PATH= /usr/local/mongodb/bin:$PATH

$ mongod

$ mongo

运行报错如下所示：

$ mongod

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] MongoDB starting : pid=25238 port=27017 dbpath=/data/db 64-bit host=haiyoung

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] db version v3.4.10

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] git version: 078f28920cb24de0dd479b5ea6c66c644f6326e9

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] OpenSSL version: OpenSSL 1.0.2g 1 Mar 2016

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] allocator: tcmalloc

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] modules: none

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] build environment:

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] distmod: ubuntu1604

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] distarch: x86_64

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] target_arch: x86_64

2017-12-04T14:56:11.473+0800 I CONTROL [initandlisten] options: {}

2017-12-04T14:56:11.474+0800 I STORAGE [initandlisten] exception in initAndListen: 20 Attempted to create a lock file on a read-only directory: /data/db, terminating

2017-12-04T14:56:11.474+0800 I NETWORK [initandlisten] shutdown: going to close listening sockets...

2017-12-04T14:56:11.474+0800 I NETWORK [initandlisten] shutdown: going to flush diaglog...

2017-12-04T14:56:11.474+0800 I CONTROL [initandlisten] now exiting

2017-12-04T14:56:11.474+0800 I CONTROL [initandlisten] shutting down with code:100

$ mongo

MongoDB shell version v3.4.10

connecting to: mongodb://127.0.0.1:27017

2017-12-04T14:56:21.303+0800 W NETWORK [thread1] Failed to connect to 127.0.0.1:27017, in(checking socket for error after poll), reason: Connection refused

2017-12-04T14:56:21.303+0800 E QUERY [thread1] Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed :

connect@src/mongo/shell/mongo.js:237:13

@(connect):1:6

exception: connect failed

问题原因：

原因是，手动创建路径时，没有修改权限。

解决方法：

运行如下命令修改权限：