Dear Atlassian Support-Staff,
I'm having a problem when upgrading our local confluence on prem server from 7.13.8 to 8.5.0.
As per your documentation a direct upgrade path is valid:
https://confluence.atlassian.com/doc/upgrading-confluence-4578.html
The updates run's fine but when restarting the confluence server after upgrading to 8.5.0 the databse encoding is invalid.
The encoding needs to be utf8mb4 and charset utf8mb4_bin.
I sticked to your documentation how to deal with this error but the confluence server is not comming up anyways:
https://confluence.atlassian.com/kb/how-to-fix-the-collation-and-character-set-of-a-mysql-database-manually-744326173.html
What can I do?
I did a snapshot prior to upgrading so i revoked my changes, so that people can now continue with their work.
But a new try can be done in no-time.
Can I provide you with any further information or logs / support-information?
Thank you for your help and assiatance.
Kind regards
Dennis Köster