Express Error: No default engine was specified and no extension was provided

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http://stackoverflow.com/questions/23595282/error-no-default-engine-was-specified-and-no-extension-was-provided

Error: No default engine was specified and no extension was provided. at new View (...\node_modules\express\lib\view.js:41:42) at Function.app.render (...\node_modules\express\lib\application.js:484:12) at ServerResponse.res.render (...\node_modules\express\lib\response.js:783:7) at Layer.handle (...\app.js:123:7) at trim_prefix (...\node_modules\express\lib\router\index.js:225:17) at c (...\node_modules\express\lib\router\index.js:198:9) at Function.proto.process_params (...\node_modules\express\lib\router\index.js:253:12) at next (...\node_modules\express\lib\router\index.js:189:19) at next (...\node_modules\express\lib\router\index.js:202:7) at next (...\node_modules\express\lib\router\index.js:166:38)

Answer:

The res.render stuff will throw an error, if you're not using a view engine.

If you just want to serve json replace the res.render('error', { error: err }); lines in your code with:

res.json({ error: err })

PS: People usually also have message in the returned object:

res.status(err.status || 500);res.json({  message: err.message,  error: err});

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