I have been trying to install oracle 12c and oracle forms and reports.
So first,I already installed jdk 8 and infrastructure setup then installed forms and deployment setup then when i try to create to repository this shows error
I follow this link also check image which i taken from this link
https://docs.oracle.com/middleware/1221/formsandreports/install-fnr/install.htm#CIHGBBEH
Error at the time of installation
ERROR
Unable to connect to the DB. Check if DB connection details entered are correct. Unable to connect to the database using the provided details. Enter a valid hostname and port or check if the listener is up and running.

