Hello I tried to import a backup of an old confluence instance (3 yrs ago). I unfortunately can't remember which version we used back then, but it was a self-hosted instance of Confluence. We also had Team Calendar installed, which probably causes the following error message:
Import failed. Check your server logs for more information. com.atlassian.confluence.importexport.ImportExportException: Unable to complete import because the data does not match the constraints in the Confluence schema. Cause: PSQLException: ERROR: duplicate key value violates unique constraint "bandana_unique_key" Detail: Key (bandanacontext, bandanakey)=(_CALENDAR_com.atlassian.confluence.extra.calendar3.calendarstore.InternalSubscriptionCalendarDataStore_7eb84210-9c5f-4b49-bbe8-40699aea3e71_childSubCalendars, 4cb26844-195b-4fb8-8ae8-ee16a300d228) already exists.
Unfortunately, I don't have access to the DB. Otherwise I would have removed the Index for the moment.
Thanks for your help.
If you're trying to import a full xml backup of Confluence, you need to be importing it into a system of a similar compatible level. If it were a version 4 system for example, there's no chance of it working in 6.
Or is it just space imports?
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