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.
I cannot give you an answer on your question, but it makes me curious as to why you mention it is not stable. Can you explain what is not stable in jconnector. Furhter if you cannot find another one you can always override / rewrite it, since the code is included in the jar.