http://gwt-code-reviews.appspot.com/125806/diff/1/4 File user/src/com/google/gwt/user/client/ui/HTMLTable.java (right):
http://gwt-code-reviews.appspot.com/125806/diff/1/4#newcode251 Line 251: UIObject.setStylePrimaryName(getRawElement(row, column), You need some kind of check here before calling getRawElement. Since we call prepareCell in setStyleName, you should call prepareCell here. http://gwt-code-reviews.appspot.com/125806 -- http://groups.google.com/group/Google-Web-Toolkit-Contributors