Home/ Questions/Q 7882855
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-06-03T04:23:02+00:00

I’m deploying a node.js app to heroku (cedar stack) I’ve set the NODE_ENV like

  • 0

I’m deploying a node.js app to heroku (cedar stack)

I’ve set the NODE_ENV like this:

heroku config:add NODE_ENV=production

I then do:

git push heroku

However, after starting (i’ve got a console.log generating the first log entry) the app crashes.

I run:

heroku logs

and get the below error.

How can I open the /app/log/production.log that it’s referring to?

app[web.1]: listening on port 32168 within production environment
app[web.1]: 
app[web.1]: events.js:48
app[web.1]:         throw arguments[1]; // Unhandled 'error' event
app[web.1]:                        ^
app[web.1]: Error: ENOENT, open '/app/log/production.log'
heroku[web.1]: Process exited with status 1
heroku[web.1]: State changed from starting to crashed
Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    The error you’re getting means that it’s trying to open ‘/app/log/production.log’ and is unable to do so. So find out where this logging is being attempted and disable or change it.

    According to Heroku you should just be sending your application logs to STDOUT:

    https://devcenter.heroku.com/articles/logging

    So a console.log should be sufficient.

    • 0