code: protected Object doInvoke(Object... args) throws Exception {
  		ReflectionUtils.makeAccessible(getBridgedMethod());
  		try {
  			return getBridgedMethod().invoke(getBean(), args);
  		}
  		catch (IllegalArgumentException ex) {
  			assertTargetBean(getBridgedMethod(), getBean(), args);
  			throw new IllegalStateException(
  					getInvocationErrorMessage(ex.getMessage(), args), ex);
  		}
  		catch (InvocationTargetException ex) {
  			// Unwrap for HandlerExceptionResolvers ...
  			Throwable targetException = ex.getTargetException();
  			if (targetException instanceof RuntimeException) {
  				throw (RuntimeException) targetException;
  			}
  			else if (targetException instanceof Error) {
  				throw (Error) targetException;
  			}
  			else if (targetException instanceof Exception) {
  				throw (Exception) targetException;
  			}
  			else {
  				String msg = getInvocationErrorMessage(
  						"Failed to invoke controller method", args);
  				throw new IllegalStateException(msg, targetException);
  			}
  		}
  	}
docs: Invoke the handler method with the given argument values.