nodemon – app crashed – waiting for file changes before starting
Mongoose expects you to specify types using the built-in constructor functions, which are named with capital letters, e.g. String, Number, Boolean, etc.
node.js
node.js, Error: Cannot find module ‘express’
It says Do you have express installed? If not then run this. and run your program again.
TypeError: Router.use() requires middleware function but got a Object
If your are using express above 2.x, you have to declare app.router like below code. Please try to replace your code with Please click here to get more details about app.router Note: app.router is depreciated in express 3.0+. If you are using express 3.0+, refer to Anirudh’s answer below.
Error: unable to verify the first certificate in nodejs
Try adding the appropriate root certificate This is always going to be a much safer option than just blindly accepting unauthorised end points, which should in turn only be used as a last resort. This can be as simple as adding to your application. The SSL Root CAs npm package (as used here) is a very useful … Read more
NPM Start not starting local server
I am trying to make an react app using webpack and when I try to run npm start it should load http://localhost:3333 but it says site cannot be reached, here is my webpack config: And here is my script object from package.json: “start”: “webpack-dev-server”. I have already installed webpack & webpack-dev-server globally. Check below image which I am getting: … Read more
mongoError: Topology was destroyed
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
env: node: No such file or directory in mac
NOTE: Only mac users! uninstall node completely with the commands Or you could check out this website: How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X) if this doesn’t work, you need to remove node via control panel or any other method. As long as it gets removed. Install node via this … Read more
Heroku: “No default language could be detected for this app” error thrown for node app
Heroku has a set of default buildpacks, used when it needs to detect the language of your app.In order to do that detection, it runs the bin/detect command of each of those default buildpacks, until one of them returns a 0 exit code. This is the command for the node buildpack.As you can see, it requires a package.json to … Read more
Heroku: “No default language could be detected for this app” error thrown for node app
Heroku has a set of default buildpacks, used when it needs to detect the language of your app.In order to do that detection, it runs the bin/detect command of each of those default buildpacks, until one of them returns a 0 exit code. This is the command for the node buildpack.As you can see, it requires a package.json to … Read more
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
Heroku dynamically assigns your app a port, so you can’t set the port to a fixed number. Heroku adds the port to the env, so you can pull it from there. Switch your listen to this: That way it’ll still listen to port 5000 when you test locally, but it will also work on Heroku. … Read more