Hey there, our Gitlab Omnibus setup started having problems with the Mattermost OAuth workflow a few days ago. I’m including some info below. I’d appreciate any pointers, am happy to add any more info you might need. Summary Users logged in to Mattermost can use the application. However, the OAu…

Hi @rfreund , as a first step, wondering if these previous threads might help: Bad response from token request after team creation auth https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2984

amy.blais, thank you for those links - I hadn’t found the second one and there is quite a lot of useful debugging info there. However, I have now solved the problem. Turns out, neither Mattermost nor Gitlab was the culprit… we are using an nginx as a reverse proxy. A few days ago, websocket suppor…

Mattermost Gitlab oauth problem

Troubleshooting

amy.blais (Amy Blais) June 26, 2019, 4:56pm 2

Hi @rfreund, as a first step, wondering if these previous threads might help:

Bad response from token request after team creation auth
https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2984

Topic		Replies	Views
Mattermost auth failure with GitLab omnibus Troubleshooting	5	3140	May 10, 2019
Gitlab/Mattermost login error - Bad response from token request Troubleshooting	3	4037	July 25, 2022
[SOLVED] Mattermost Gitlab - Token request failed Troubleshooting	6	17206	November 27, 2019
Bad response from token request Troubleshooting	1	3359	January 20, 2017
Token Request Error on Omnibus with Reverse Proxy Troubleshooting	3	3268	June 26, 2018

Mattermost Gitlab oauth problem

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