Error msg to connect oracle database

Hi guys, I’m trying to connect oracle database, but I received this msg: “IO Error: The Network Adapter could not establish the connection”

What am I doing wrong?

Hi @anapaula
Please post “Diagnostic Info” from Admin > Troubleshooting.
And make sure you’re using the latest 19c ojdbc driver:

Hi @flamber,
Thanks, I already solved it.

Hi Anapaula,

I have the same error, can you tell me your solution?