Why this happens? The default is to return the original, unaltered document. If you want the new, updated document to be returned you have to pass an additional argument: an object with the new property set to true. From the mongoose docs: Query#findOneAndUpdate Available options new: bool – if true, return the modified document rather than the original. defaults to false (changed in 4.0) Solution Pass {new: true} if you … Read more
getaddrinfo ENOTFOUND means client was not able to connect to given address. Please try specifying host without http: Regarding learning resources, you won’t go wrong if you start with http://www.nodebeginner.org/ and then go through some good book to get more in-depth knowledge – I recommend Professional Node.js , but there’s many out there.
This is because the code contains an anti-pattern: every time a new request comes in, it opens a new database connection, then closes that connection once the response was sent. It then subsequently tried to reuse the closed connection, hence the error message you’re seeing on the 2nd request. What you want is to connect … Read more
Mongoose expects you to specify types using the built-in constructor functions, which are named with capital letters, e.g. String, Number, Boolean, etc.
It seems to mean your node server’s connection to your MongoDB instance was interrupted while it was trying to write to it. Take a look at the Mongo source code that generates that error This does not appear to be related to the Sails issue cited in the comments, as no upgrades were installed to precipitate … Read more
You already have a process running in the port 27017 which is used by mongodb. So either you need to stop the process in that port or try with different port number. Try mongod –port 27018 You can change the port number of your choice. EDIT: You can also just stop all the running instances of mongo server using sudo … Read more
BSON is the binary encoding of JSON-like documents that MongoDB uses when storing documents in collections. It adds support for data types like Date and binary that aren’t supported in JSON. In practice, you don’t have to know much about BSON when working with MongoDB, you just need to use the native types of your language … Read more