[Solved] IDEA jdbc Connect Database Error: java.sql.SQLException: Undefined Error

The following error is reported when using jdbc to connect to a database in IDEA:


1. In IDEA, select Run -> Edit Configurations;

2. In the pop-up interface, enter -Duser.name=user in VM option and restart.

****If VM options are not found

* * * * restart operation

File-> Invalidate Caches-> Just restart

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