JDBC Adapter Communication Channel error

I am getting this error for a JDBC Adapter, I waondering if anybody could point me in the right direction.

I have installed the driver:

JDBC Driver: oracle.jdbc.driver.OracleDriver

Connection: jdbc:oracle:thin:@146.146.78.74:1521:ts1

Error:

Error when attempting to get processing resources: com.sap.aii.af.service.util.concurrent.ResourcePoolException: Unable to create new pooled resource: DriverManagerException: Cannot establish connection to URL 'jdbc:oracle:thin:@146.146.78.74:1521:ts1': SQLException: Io exception: The Network Adapter could not establish the connection

Any help would be appreciated.