Link JIRA cloud and Bitbucket cloud

Question

I've been trying to connect Bitbucket cloud and JIRA cloud altogether for a while unsuccessfully. When I enter JIRA URL in Bitbucket I get the following error message :

And when I try the other way around, connect to Bitbucket from JIRA I get this error message :

Please ask if you need further info about my setup.

Edit : After following @grizzthedj answer :

• I create the OATH 2.0 key on Bitbucket
• I connected to JIRA and get the following message :
• I'm like "nevermind invalid credentials, I'm connected on my bitbucket account" (And I don't see any "retry log in options anyway")
• After clicking "Link to Bitbucket account" I end up having the "Mmmm... That didn't work" message from above.

Answer 1

I may be missing steps that you may have already done, but you need to create an OAuth access token for your Bitbucket Cloud account, then you need to add this token to your JIRA project. You will need admin level access on both systems in order for the DVCS connector to be able to integrate them.

Exact steps and more details can be found here.

https://confluence.atlassian.com/bitbucket/connect-bitbucket-cloud-to-jira-server-applications-814208991.html