连接到Atlas Free Cluster（MongoDB）时出错 [英] Error connecting to Atlas Free Cluster (MongoDB)

问题描述

TL; DR：即使按照文档说的做，也无法连接到Atlas Cluster。

TL;DR: Can't connect to Atlas Cluster even after doing exactly what docs said.

所以我看了开始使用Atlas ，一切似乎都很好&简单。我确实按照步骤操作，创建了一个免费集群，将我的IP列入了白名单，然后尝试使用其示例应用程序进行连接：

Hi, so I read the docs of getting started with Atlas and everything seemed nice & easy. I did follow the steps, created a free cluster, whitelisted my IP, and then tried to connect using their sample app:

const { MongoClient } = require("mongodb");

// Replace the following with your Atlas connection string                                                                                                                                        
const url = "mongodb+srv://<username>:<password>@clustername.mongodb.net/test?retryWrites=true&w=majority&useNewUrlParser=true&useUnifiedTopology=true";
const client = new MongoClient(url);

async function run() {
    try {
        await client.connect();
        console.log("Connected correctly to server");

    } catch (err) {
        console.log(err.stack);
    }
    finally {
        await client.close();
    }
}

run().catch(console.dir);

但是当我尝试执行以下错误时：node connect.js

But the following error occurred when I tried to execute with: node connect.js

PS C:\Users\marjo\Documents\mongoDB Atlas> node connect
(node:11352) DeprecationWarning: current Server Discovery and Monitoring engine is deprecated, and will be removed in a future version. To use the new Server Discover and Monitoring engine, pass option { useUnifiedTopology: true } to the MongoClient constructor.
MongoNetworkError: failed to connect to server [remote-doc-shard-00-02-otc5a.mongodb.net:27017] on first connect [MongoError: bad auth Authentication failed.
    at C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\auth\auth_provider.js:46:25
    at C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\auth\scram.js:240:11
    at _callback (C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\connect.js:349:5)
    at Connection.messageHandler (C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\connect.js:378:5)
    at Connection.emit (events.js:315:20)
    at processMessage (C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\connection.js:384:10)
    at TLSSocket.<anonymous> (C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\connection.js:553:15)
    at TLSSocket.emit (events.js:315:20)
    at addChunk (_stream_readable.js:297:12)
    at readableAddChunk (_stream_readable.js:273:9) {
  ok: 0,
  code: 8000,
  codeName: 'AtlasError'
}]
    at Pool.<anonymous> (C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\topologies\server.js:438:11)
    at Pool.emit (events.js:315:20)
    at C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\pool.js:561:14
    at C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\pool.js:1008:9
    at callback (C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\connect.js:97:5)
    at C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\connect.js:396:21
    at C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\auth\auth_provider.js:66:11
    at C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\auth\scram.js:240:11
    at _callback (C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\connect.js:349:5)
    at Connection.messageHandler (C:\Users\marjo\Documents\mongoDB Atlas\node_modules\mongodb\lib\core\connection\connect.js:378:5)

我尝试使用Atlas中的一个更改连接字符串：（因为它与文档有些许不同）

I tried changing the connection string with the one from Atlas: (because it was different from the docs by a tiny bit)

const uri = "mongodb+srv://Marjo:<password>@remote-doc-otc5a.mongodb.net/<dbname>?retryWrites=true&w=majority";

但结果仍然相同。我的密码有一个！字符，所以我输入％21代替它。我还用群集名称（Remote-Doc）代替并进行了测试，但是仍然失败。




如果您能帮助我，我将不胜感激！

But still the same result. My password had a !character so I put %21 instead of it. I also replaced with cluster name (Remote-Doc) and test but it still failed.

I'd appreciate if you could help me!

推荐答案

我认为您在解析密码时遇到问题，也许其中包含特殊字符。

I think that you are having problem with the parse of your password, maybe it has special characters.

处理此问题的最佳方法是更改​​连接方式，以将用户名和密码作为选项来传递。

The best way to handle this is change the way that you are connecting to pass the user and password as options.

您可以按照 doc ，然后将MongoClient的连接更改为以下内容：

You can follow the doc and change your MongoClient conection for something like this:

const mongoclient = new MongoClient(new Server("remote-doc-otc5a.mongodb.net", 27017));

// Listen for when the mongoclient is connected
mongoclient.open(function (err, mongoclient) {

    // Then select a database
    const db = mongoclient.db("dbname");

    // Then you can authorize your self
    db.authenticate('username', 'password', (err, result) => {
        // On authorized result=true
        // Not authorized result=false

        // If authorized you can use the database in the db variable
    });
});

并使用 mongoose 您可以执行以下操作：

And with mongoose you can do something like this:

mongoose.connect('mongodb+srv://@remote-doc-otc5a.mongodb.net/test?retryWrites=true&w=majority', {
    user: 'USERNAME',
    pass: 'PASSWORD',
    useNewUrlParser: true,
    useUnifiedTopology: true
})

还要检查您是否使用的不是帐户密码，而不是群集/数据库密码。

Also check if you are not using the account password instead of the cluster/database password.

您可以按照本教程检查是否使用了正确的方法： MongoDB Atlas设置-数字海洋。

You can follow this tutorial to check if you are using the correct one: MongoDB Atlas Setup - Digital Ocean.

这篇关于连接到Atlas Free Cluster（MongoDB）时出错的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！