Ola, a pagina so da 404 nao encontra o novaEmpresa!
@WebServlet("/novaEmpresa")
public class novaEmpresaServelet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println("Cadastrando nova empresa");
PrintWriter out = response.getWriter();
out.println("<hmtl><body>Testando a empresa nova!</body></hmtl>");
}
}