Hello Everyone
i am using jdeveloper 12.2.1.2.0 and jdeveloper 11.1.2.3.0
i also have install oracle database 11 g express edition.
The Problem is => when i create connection using jdeveloper 11.1.2.3.0 connection will create successfully

but with jdeveloper 12.2.1.2.0 it generates error .
..
i have try but can't find the reason of this error
kindly help to solve this issue..
thanks