When attempting to connect to MongoDB, I encountered the error message: "throw new MongooseError('Mongoose.prototype.connect() no longer accepts a callback');"
const mongoURI = "mongodb://localhost:27017/?directConnection=true";
const connectToMongo = () => {
mongoose.connect(mongoURI,() => {
console.log("Connected to Mongo Successfully");
})
}
module.exports = connectToMongo;
Which version of Mongoose are you currently using? The error message indicates that the connect method no longer accepts a callback function. Instead, the second parameter should be an options object that can be passed. The callback function is now the third parameter.
Check out the documentation for more information: https://mongoosejs.com/docs/connections.html#callback
To resolve your issue, simply remove the callback like this:
mongoose.connect(mongoURI)
According to the error message, the callback feature is no longer supported in Mongoose's connect() function. Instead, the function now returns a promise which can be used to handle both successful and error scenarios.
mongoose.connect(mogoURI)
.then(() => console.log("Connected to Mongo Successfully"))
.catch(error => handleError(error));
An alternative approach is to utilize the await keyword in JavaScript:
try {
await mongoose.connect(mogoURI);
console.log("Connected to Mongo Successfully");
} catch (error) {
handleError(error);
}
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