Instance broken after upgrade from 16 to 18

ℹ️ Support
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1

Nextcloud version (eg, 12.0.2): 18.0.0
Operating system and version (eg, Ubuntu 17.04): Arch Linux
Apache or nginx version (eg, Apache 2.4.25):
PHP version (eg, 7.1):

The issue you are facing:
I had a Nextcloud v16 instance running for quite some time. Now with the new v18 update I wanted to upgrade my instance. I pulled the new docker image and restarted the server. On the webinterface I got an “Internal server error”, the logs told me that upgrading multiple major version is not supported. Alright, I pulled the v17 image: Cannot start the instance, because it is a v18 instance. Ok, so I ran the v18 image again, still that “Internal server error” page on the frontend, the logs don’t tell me anything. From there it seems as if the instance is running without problems.

How do I find out what the internal server error is?

Thank you

2

As usual I would start checking the content of the Nextcloud log file. BTW, do you know the nice search function of the forum. It is worse to search first before asking a regular question again :wink:

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3

So read more about the occ tool and performed a occ upgrade. Now everything is back to normal.
Thank you for your patience

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