Error JDBC - Connect java instance with sql server

We are working with SAP Netweaver 7.0 SP 18 and we need to upgrade to SP 23.

The XML generated contains only ABAP Stack but the SUM also load the Java tab.

This part of Java is giving me several problems Connection with SQL Server database 2005. Add image of the last error.

To continue forward I am evaluating the following:

1. How I can validate data Connection jdbc to connect to the database? How valid username and password that you use? Where

Best Regards!