Nextcloud won't start

The one thing I could not figure out was how to make the connection between the error message

I mostly guessed from the Unknown database type polygon requested message. That pointed to some geometry related data type - http://postgis.net/ . From that I went digging into the database (from the dump file) as to who created this type. I got oc_memories_planet_geometry from that. Was quite tricky to figure because the memories app was not installed on the OPs server (but was installed sometime in the past) and this was just the remains of the app in the database.

The fix if you want to use this app (for the future) is:

• Be sure to be on nextcloud package 4.17.2 atleast
• Open Web terminal and click the PostgreSQL button on top. Press enter and run CREATE EXTENSION IF NOT EXISTS postgis; .
• Now the app works even after restarts

I recently installed geo, and I have been using memories for a long Time without issues, its a great plugin! So either the recent update killed it or it is the geo locations doing it.

Nextcloud won't start

;

Gah. I originally used that exact syntax, but forgot the ; !

Only when you highlighted it did I remember. Thanks very much @girish you saved me a lot of time. And even more so on a Saturday.

The one thing I could not figure out was how to make the connection between the error message (for others, bolded below)

Jun 03 10:45:37 In AbstractPlatform.php line 396:
Jun 03 10:45:37
**Jun 03 10:45:37 Unknown database type polygon requested, Doctrine\DBAL\Platforms\PostgreSQL
Jun 03 10:45:37 100Platform may not support it.**

and that it was related to 1) an pp, and 2) what app in particular.

I'd appreciate if you could explain how you made this connection. (When you have time. It's Saturday and everyone deserves their time off!)

• Enable recovery mode
• Open webterminal.
• Click MySQL button on top . This will paste a command. Press enter. This will give a MySQL shell.
• execute DROP table oc_memories_planet_geometry; (note the semicoloon at the end)
• Disable recovery mode

I have to DROP table oc_memories_planet_geometry manually to get it working again . It seems disabling/removing the app does not remove the tables...

Could you post the commands for dropping the relevant table? Databases are one thing I'm really not confident working with and it'd save me a lot of work. If it helps, I cannot get to the Nextcloud instance commandline as it won't start. Thanks.

• Install nextcloud
• Install memories
• Restart nextcloud

Jun 03 10:44:40 => Healtheck error: Error: connect ECONNREFUSED 172.18.20.56:80
Jun 03 10:44:40 Nextcloud is already latest version
Jun 03 10:44:40
Jun 03 10:44:40 In AbstractPlatform.php line 396:
Jun 03 10:44:40
Jun 03 10:44:40 Unknown database type polygon requested, Doctrine\DBAL\Platforms\PostgreSQL
Jun 03 10:44:40 100Platform may not support it.

• I have to DROP table oc_memories_planet_geometry manually to get it working again . It seems disabling/removing the app does not remove the tables...

I had disabled Memories and NC still wouldn't start.

I did recently install geolocations so Memories coukd worked with locations. I was suspicious that this was the app requiring polygons on Postgres, but I couldn't find anything else about it. It was running for 5 or 6 weeks after that, until the update of NC.