On upgrade to Confluence 6.3.2, database attachments are still in the database

Summary

On upgrade, if Confluence is configured for database attachments, these are not exported to the filesystem.

Environment

• Confluence 6.3.2
• Database attachments

Steps to Reproduce

1. Install Confluence 5.0.3 and configure for Database attachments via General Configuration >> Attachment Storage (/admin/attachmentstoragesetup.action)
2. Create a page and attach some files
3. Confirm files are in the database

   select attachmentdataid, attversion, attachmentid from attachmentdata;
   select count(*) from attachmentdata;
   

4. Upgrade to Confluence 5.10.8 and confirm that attachments are still stored in the database (/admin/attachmentstoragesetup.action)
5. Upgrade to Confluence 6.3.2 and confirm that attachments are still stored in the database (/admin/attachmentstoragesetup.action)

Expected Results

As database storage is deprecated, the attachments should be exported to the filesystem

Actual Results

Attachments are still in the database, this leads to errors such as

• Unable to Preview/open Attachments (PDF or Videos files) in Google Chrome/IE/Firefox

Notes

Database storage was deprecated in Confluence 5.4
Attachment Storage Configuration

Workaround

Export the attachments via the user interface (/admin/attachmentstoragesetup.action).