HTTP Status 400 -The request sent by the client was syntactically incorrect.

<form:form commandName="profileDTO" action='profileInfoForm' method='POST' enctype="multipart/form-data" >
	<table align="center">
		<tr>
			<td align="right">Имя:</td>
			<td align="left"><form:input path='firstName' type='text' value="${ currentUser.firstName }" placeholder="Ваше имя" /></td>
			<td><form:errors path="firstName" cssClass="regError" /> </td>
		</tr>
		<tr>
			<td align="right">Фамилия:</td>
			<td align="left"><form:input path='lastName' type='text' value="${ currentUser.lastName }" placeholder="Ваша Фамилия"/></td>
			<td><form:errors path="lastName" cssClass="regError" /> </td>
		</tr>
		<tr>
			<td colspan='2' align="center">
				<br>
					<button type="submit" name="profileInfoForm">Сохранить изменения</button>
				</td>
		</tr>
	</table>
</form:form>