code: protected Method mapControlBeanMethodToEJB(Method m) {
          Method ejbMethod = findEjbMethod(m, _homeInterface);
          if (ejbMethod == null) {
              if (_beanInstance == null) {
                  _beanInstance = resolveBeanInstance();
                  if (_beanInstance == null) {
                      throw new ControlException("Unable to resolve bean instance");
                  }
              }
              ejbMethod = findEjbMethod(m, _beanInstance.getClass());
              if (ejbMethod == null) {
                  throw new ControlException("Unable to map ejb control interface method to EJB method: " + m.getName());
              }
          }
          return ejbMethod;
      }
docs: Map a control bean method to an EJB method.
  
  @param m The control bean method.
  @return The corresponding method of the EJB.