[v5] flashMessages returns {values: null} if form data is too large

[leocabeza]

Problem:

When having a lot of form data to submit, flashMessages shows as null

To reproduce:

1. yarn
2. yarn dev
3. Go to http://localhost:3333/orders/create
4. Without filling anything, click "Guardar" button at the bottom of the form.
5. Below the button, you can see flashMessages shows as:

{
  "values": null
}

What I tried:

• Increasing limits inside config/bodyparser.ts

Repo & steps to reproduce:

https://github.com/leocabeza/adonis-error

[leocabeza]

This might be related to #2488?

[McSneaky]

Most likely, because max cookie size is 4096bytes, which includes all cookie settings for all cookies combined: https://chromestatus.com/feature/4946713618939904

It's a browser implementation thing, can't do anything about it :|

[leocabeza]

Awesome, changing my session driver to 'redis' solved it for me, just as the suggestion in this issue: #2488