After installing tomcat server and am trying to login to application url"http://localhost:8080/leadapp". After entering respective credentials and clicked on login button.

am getting following error message.

HTTP Status 500 - com.javachap.service.impl.ServiceException: org.hibernate.exception.GenericJDBCException: Cannot open connection

Let me know steps to be resolved for above mentioned login failure message.

Thanks

Jai Jagadeesha