HSQLDB - pre-9.0 client attemtped to connect

Trying to get production application to work with hsqldb. The application is built with ant and the compile.classpath is set with hsqldb.jar and the application is executed with hsqldb.jar in the classpath. All versions of the jar file are the same and up to date, however, I'm getting a "pre-9.0 client attemtped to connect. We rejected them." error from the database linux terminal.

I've created a test app where I can create the same error if I make the jar without hsqldb.jar as an external jar file in eclipse. (If i include the jar it works perfectly)

I thought I coul开发者_如何学Cd run the test app by specifying the hsqldb.jar cp at run time. Should this not be the case?

What about this discussion:

http://sourceforge.net/projects/hsqldb/forums/forum/73674/topic/3825892