This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Why are you using the JDBC-ODBC bridge to connect (see the first two lines of this )? Use the thin driver instead and you don't need a DSN. Read the "JDBC Developer's Guide and Reference" in your Oracle documentation for fairly comprehensive documentation and examples.