The error message is as follows:

Invalid OAuth credentials. Check Jira log for more information.

The above data for Key and Secret is correct, but it is not linked.

Problems and solutions

The problem is the configuration options for OAuth on your BitBucket.

You need to select This is a private consumer.

Otherwise there is no way to connect.

The location of this option is configured on OAuth Consumers.

https://www.ossez.com/t/jira-…