This has been spawned from a forum posting.
If a bean validated with the MethodValidationInterceptor has two methods with the same name that are prefixed with get/has/is, calling one of these methods will result in a NullPointerException.
Code snippet example:
Problem experienced when calling following methods on method validated bean.
I'm not aware of a workaround that doesn't involve having to change the interface!
A detailed description with some code references is available here: