<form:form action="regForm" commandName='userDTO' method='POST' enctype='multipart/form-data'>

		<table align="center">
			<tr>
				<td colspan="2" style="font-size: 12px; color: red">Обязательные
					поля обозначены звездочкой *</td>
			</tr>
			<tr>
				<td align="right">Email*:</td>
				<td align="left"><form:input path='email' /></td>
			</tr>
			<tr>
				<td align="right">Логин*:</td>
				<td align="left"><form:input path='login' /></td>
			</tr>
			<tr>
				<td align="right">Пароль*:</td>
				<td align="left"><form:password path='pass' /></td>
			</tr>
			<tr>
				<td align="right">Подтвердите пароль*:</td>
				<td align="left"><form:password path='pass_confirm' /></td>
			</tr>
			<tr>
				<td align="right">Фото:</td>
				<td align="left"><input id="photo" name="photo" type="file" />
				</td>
			</tr>
			<tr>
				<td colspan='2' align="center">
					<button type="reset">Очистить форму</button>
					<button type="submit" onclick="regFormSubmit()">Зарегистрироваться</button>
				</td>
			</tr>
		</table>
	</form:form>

@RequestMapping(value = "regForm", method = RequestMethod.POST)
public String regFormSubmitPost(
		@Valid @ModelAttribute("userDTO") UserDTO userDTO,
		BindingResult result, 
		Model model,
		@RequestParam("photo") MultipartFile file) {

		System.out.println("regFormSubmitPost");

		if (result.hasErrors()) {
			model.addAttribute("error", result);
			return "Registration";
		}

		userService.saveOrUpdateUser(userDTO);

		model.addAttribute(
				"msg",
				"Вы успешно зарегистрировались!");

		return "Login";
	}

<beans:bean 
          id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
</beans:bean>

Jun 08, 2014 8:58:36 PM org.springframework.web.servlet.PageNotFound handleHttpRequestMethodNotSupported
WARNING: Request method 'POST' not supported

<!-- Apache Commons Upload -->
<dependency>
	<groupId>commons-fileupload</groupId>
	<artifactId>commons-fileupload</artifactId>
	<version>1.3.1</version>
</dependency>

<!-- Apache Commons Upload -->
<dependency>
	<groupId>commons-io</groupId>
	<artifactId>commons-io</artifactId>
	<version>2.4</version>
</dependency>

июн 09, 2014 12:45:58 AM org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping registerHandlerMethod
INFO: Mapped "{[/regForm],methods=[POST],params=[],headers=[],consumes=[],produces=[],custom=[]}" onto 
public org.springframework.web.servlet.ModelAndView 
by.issoft.sitedesigner.controller.UserController.regFormSubmit(
by.issoft.sitedesigner.dto.UserDTO,
org.springframework.validation.BindingResult,
org.springframework.ui.Model,
org.springframework.web.multipart.MultipartFile)