Can't able to connect my own postgres database

I am trying to connect to my own postgres database which contains all the eventlogs and i dont why i am getting the below connection error if I specified all the configuration parameters correctly.

Test Connection

Connection test failed, please check the Data Connection’s configuration and ensure that the system is running: Unexpected error when getting connection with timeout

Hi there,

SNAP is our free Version made for everybody, which offers a lot of connectors, but not our generic JDBC Extractors, as these are part of our enterprise suite. For more information on the differences between SNAP and our Enterprise Software, please have a look at:

https://{your-snap-team}.eu-1.celonis.cloud/help/display/CS/

Regards,

Benedict