1946270 - Intermittently get a "400 Bad Request. Request Header Or Cookie Too Large. Openresty" error on treeherder, perfherder etc only on Nightly. Chrome words fine

Status: NEW

(Tree Management :: Treeherder, defect)

Description

[Mayank Bansal]

Been seeing this a lot since last few days.
The cookies contains lots of "_com.auth0.auth." things.

I get these only on Nightly. I then must switch to Chrome as that works fine.

Comment 1

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

Could you remove cookies and localStorage for Treeherder and observe if the issue reproduces again later?

Comment 2

[Valentin Gosu [:valentin] (he/him) {{ AFK in July }}]

(In reply to Mayank Bansal from comment #0)

Been seeing this a lot since last few days.
The cookies contains lots of "_com.auth0.auth." things.

I get these only on Nightly. I then must switch to Chrome as that works fine.

Could you save your cookieDB?
And could you maybe send one of the values to [e-mail] ?

Comment 3

[Mayank Bansal]

I shared screenshot from the "storage" section of webdev toolbar with Valentin, who then said that this doesnt look like a cookie issue.

Comment 4

[Mayank Bansal]

I have also noticed that i keep on getting logged out of BMO on Fenix - usually within a few days.
On the other hand, if i use Chrome Android to login to BMO, it stays logged in for months on end.

Comment 5

[Mayank Bansal]

I got the same error just now, after I had cleared the cookies and local storage in comment 3

Comment 6

[Mayank Bansal]

My usual workflow involves opening and closing treeherder and perfherder tabs in quick succession, without keeping any treeherder tab open for more than ~1-2 minutes.
I