Have a unique error code for each error message

Goals

Be able to distinguish authentication errors by their code.

Expected Results

Have a unique error code for every error message.

Actual Results

When logging in realm with a JWT token, I can receive the following error codes (among others):

{code:46, message: "user disabled"}
{code:47, message: "(something about authentication failed...) ; token is expired"}
{code:47, message: "failed to lookup key for kid=..."}

The last one occurs when I try to log in my production realm with a staging JWT, for instance.

It doesn’t seem logic to me to have the same error code for two different errors, especially since my app should behave differently in case I get a 47 error code:

• “failed to lookup…” => logout, clear token cache
• “token expired” => renew token, then retry to log in Realm

Version of Realm and Tooling

• Realm JS SDK Version: 10.0.0-rc.1
• Node or React Native: React Native
• Client OS & Version: macOS 10.15.7
• Which debugger for React Native: None

[kneth]

@euZebe The docs team will soon create complete list of error codes with some guidance of error handling.

[euZebe]

I got the failed to lookup key for kid error again ; it went from the fact that I can switch between staging and production environments in my app, then I can switch between two realms app. The error happens when I accidently try to open the staging realm app instead of the production realm app. In my opinion, it would be great to update the error message: failed to lookup key for kid=... ; perhaps you are trying to open the wrong realm app ID.