CODEWITHSUNDEEP
node.jsexpress
thomas-peter
thomas-peter

Reputation: 7944

How can I catch errors in a JSON post in express.js

I am creating an API in express.js where by the user posts JSON.

I've set the content type to application/json in the clients request. If I post valid JSON, all is well. However, posintg malformed JSON results in express throwing the following error...

string(370) "SyntaxError: Unexpected token } at Object.parse (native) at IncomingMessage. (/var/www/vhost/rest-v1/node/node_modules/express/node_modules/connect/lib/middleware/json.js:76:27) at IncomingMessage.EventEmitter.emit (events.js:92:17) at _stream_readable.js:910:16 at process._tickCallback (node.js:415:13)"

How can I catch this error so that I can respond with a more meaningful error message to the user?

Upvotes: 2

Views: 2506

Answers (1)

Dan Kohn
Dan Kohn

Reputation: 34337

User Express's built in error handling middleware or override it with your own: http://expressjs.com/guide.html#error-handling

Upvotes: 1

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