Lost SQL Developer Connections

I upgraded Oracle SQL Developer from to, just for the heck of it. Unfortunately, all my saved connections had disappeared! After a text search I found the connections are stored in a file called IDEConnections.xml under the folder sqldeveloper\jdev\system\oracle.onlinedb. I copied this across to a new folder that had been created (oracle.onlinedb. and bingo they’re back again.

Bonus – now I know what file to back up if I want to restore my connections later on.

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