Response data: {"status":500,"error":null}

<div ng-controller="sendEmailController">
 <div class="col-sm-1">
                    <button class="btn btn-primary" type="button"
                            ng-click="saveForm()">Send</button>
                 </div>
            </div>
        </div>
    </div>

    <div class="modal-body">
        <div class="row" >
             <input type="email" style="alignment: right" autofocus
                    name="fromEmail"  ng-model="fromEmail"></inputtext>
        </div>
        <div class="row">
             <input type="email" name="ccEmail"
                    ng-model="ccEmail"></inputtext>
        </div>
        <div class="row">
             <input type="text" name="subject" ng-model="subject"></inputtext>
        </div>
        <div class="row">
             <input type="file" id="file" file-model="uploadedFile" name="file" multiple onchange="angular.element(this).scope().getFileDetails(this)"/>
        </div>
        <div class="row" >
            <label style="color: #0099ff;">Message: </label>
             <textarea rows="20" maxlength=35000
                       background-color = grey; name="message"
                       ng-model="message" >
             </textarea>
        </div>
    </div></div>

app.controller('sendEmailController', function ($rootScope, $scope, $uibModalInstance, MyService) {
 //get the file information
         $scope.getFileDetails = function (e) {
             alert("in get file details");
             $scope.files = [];
             $scope.$apply(function () {
                // STORE THE FILE OBJECT IN AN ARRAY.
                 for (var i = 0; i < e.files.length; i++) {
                     $scope.files.push(e.files[i])
                 }
            });
          };
    $scope.saveForm = function () {
        var formData = new FormData();
         for (var i in $scope.files) {
         console.log("$scope.files[i] " + $scope.files[i]);
        formData.append("uploadfile", $scope.files[i]);
        }
          MyService.sendWithAttachments(formData).then(         // $scope.fromEmail,$scope.ccEmail,$scope.subject,$scope.fileName,$scope.fileObj,$scope.message).then(
            function (response) {
                 //response
            },
            function (errResponse) {

            }
        );
    }

});

_repServiceFactory.sendWithAttachments = function (formData) {

        var myUrl = appURL + '/sendData/sendEmailsTest.form';
        $http({
            method: "post",
            url: myUrl,
            //headers: {'Content-Type': 'application/x-www-form-urlencoded'},
            headers: {'Content-Type': undefined},
            data: formData
            /*transformRequest: function (data, headersGetterFunction) {
                return data;
            }*/

        }).success(function (result) {
            console.log(result);
        });
        return deferred.promise;
}

@Controller
@RequestMapping("/sendData")
public class DataController {
 @RequestMapping(value = "/sendEmailsTest", method = RequestMethod.POST)
    public
    @ResponseBody
    String sendEmailsTest(@RequestPart("file") List<MultipartFile> file) throws Exception {

        System.out.println("request body form data  " + file);
//logic to get the files and the information and do accordingly..
}
}

<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass"
                  value="org.springframework.web.servlet.view.JstlView" />
        <property name="prefix">
            <value>/WEB-INF/views/</value>
        </property>
        <property name="suffix">
            <value>.jsp</value>
        </property>
     </bean>

    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="maxUploadSize" value="10000000"/>
    </bean>