CODEWITHSUNDEEP
herokuloggingheroku-cli
Michel
Michel

Reputation: 11753

Server logs can't be found

In a working Node.js app on Heroku, I have on the server side, a few lines of code like the one below:

console.log("Log trace-message ... some useful information ...")

for which I am unable to locate the effect anywhere in the logs.

Since my code is working I assume the logged messages should appear at some point.

But I see nothing (coming from my console.log) when using the: heroku logs --tail command.

As far as I can remember, I think I used to see the result of the console.log up to recently.

I have also read this page: https://devcenter.heroku.com/articles/logging hoping I could find some tip, but to no avail.

What do I need to do to see my logs ?

Upvotes: 0

Views: 16

Answers (1)

Martin Bean
Martin Bean

Reputation: 39389

Logging in Heroku logs to a “log stream”. By default, this is STDOUT, so you can view logs in realtime using the Heroku CLI, as mentioned in the very docs page you linked to: https://devcenter.heroku.com/articles/logging#view-logs-with-the-heroku-cli

If you need to persist logs (i.e. errors), then you should use some sort of error tracker like Sentry.

Upvotes: 0

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