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.
Can you download 32-bit jdk, and try with that.
(assuming that you are trying to connect to Access database, and I might stand corrected, but) At this moment there is no solution to operate jdbc odbc bridge to Access from 64 bit java.