Never used it myself.
It looks like Spring is confused and is matching your argument to the constructor that is expecting a Configuration object. It is trying to cast the
String to a Configuration and is throwing an exception. Try to explicitly define the type of the argument.
Just some other stuff you might find useful:
I prefer using
Java Config I think it is just much easier. Here is an example of that.
http://stackoverflow.com/questions/4502992/spring-configuration-for-jbosscache
Here is an XML although the are defining the configuration object as a bean
http://jshuttle.blogspot.com/2011_03_01_archive.html