PostgreSQL is no supported
Unfortunatelly PostgreSQL is not supported on Resume Editor, because MySQL functionality is hard coded into its source code. We must make changes to this Addon's Source Code soon as possible in future if i4ware Software customers wants Resume Editor to work in PostgreSQL.
Prepare the external MySQL database to your Confluence before installing a plugin
Do I need to install MySQL connector?
Yes. MySQL J-connector is not bundled in Confluence so you need to install it to ./lib-folder.
Edit server.xml file
In ./conf/server.xml file:
Create database (on command line or with phpMyAdmin)
Create a database careers with user careers.
Import SQL file (on command line or with phpMyAdmin)
Restart Confluence now.
Install the cre-x.x.x.jar
Go to install cre-x.x.x.jar on Confluence Admin Backend.