“SyntaxError: Unexpected token < in JSON at position 0”

Question

In a React app component which handles Facebook-like content feeds, I am running into an error:

Feed.js:94 undefined \"parsererror\" \"SyntaxError: Un

Answer 1

Those who are using create-react-app and trying to fetch local json files.

As in create-react-app, webpack-dev-server is used to handle the request and for every request it serves the index.html. So you are getting

SyntaxError: Unexpected token < in JSON at position 0.

To solve this, you need to eject the app and modify the webpack-dev-server configuration file.

You can follow the steps from here.