Server side only validation

[jmz99]

I am trying to validate a class on the server side. The annotated class uses classes that are not GWT compatible, therefore it fails the GWT compile. Is there a way to do this? I do have another class validating fine on the server side and client side. But, this class needs to be only on the server. 

I tried what was recommended here : https://groups.google.com/forum/#!topic/gwt-validation/TgnWLcz8SUE%5B1-25%5D. But that did not work. 

For reference, I am using the following:

GWT Validation : 2,1

GWT : 2.3

Building using maven. 

Thanks,

Jesse