I am getting the below error for GWT UI: UiBinder parser the referenced file contains error (http://dl.google.com/gwt/DTD/xhtml.ent)
Show Details: the markup declarations contained or pointed to by the document type declaration must be well-formed in GWT UI: UiBinder
Error: <!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">