rest – 没有为响应类型[com.src.model.UserDTO]和内容类型[text / html; charset = UTF-8]找到合适的HttpMessageConverter

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首先,我已经在stackoverflow中阅读了与此主题相关的所有问题,但我找不到解决方案.我已经做了好几天了.

我有这个restFull网络应用程序用spring mvc构建.当我尝试检索用户时,我收到此错误

org.springframework.web.client.RestClientException: Could not extract response: no suitable HttpMessageConverter found for response type [com.src.model.UserDTO] and content  type [text/html;charset=UTF-8]
org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessag eConverterExtractor.java:84)
org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:627)
org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:1)
org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:454)
org.springframework.web.client.RestTemplate.execute(RestTemplate.java:409)
org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:385)
com.src.web.controller.HomeController.getHome(HomeController.java:42)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:606)
org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:100)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:604)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:565)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)

请求永远不会到达服务器,因此问题不是响应内容类型,因为没有响应.所以我在那里失去了.我在这里展示我的课程和配置,如果遗漏了一些信息,请告诉我,我会更新问题.谢谢!

客户控制器:

@Controller
public class HomeController extends GenericAbstractController{

@RequestMapping(value = "/home",method = RequestMethod.GET)
public String getHome(HttpServletRequest request,Model model) {
    Principal userPrincipal = request.getUserPrincipal();

    List<MediaType> acceptableMediaTypes = new ArrayList<MediaType>();
    acceptableMediaTypes.add(MediaType.APPLICATION_XML);

    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.APPLICATION_XML);
    headers.setAccept(acceptableMediaTypes);
    HttpEntity<UserDTO> entity = new HttpEntity<UserDTO>(headers);

    ResponseEntity<UserDTO> result = restTemplate.exchange("http://localhost:8080/rideon/users/{id}",HttpMethod.GET,entity,UserDTO.class,userPrincipal.getName());

    model.addAttribute("user",result.getBody());


    return "home";
}

服务器控制器

@Controller
public class UsersController {

private static final Logger LOGGER = LoggerFactory.getLogger(UsersController.class);
@Autowired
private UserService userService;

@RequestMapping(value = "users/{id}",method = RequestMethod.GET,headers = "Accept=application/xml")
@ResponseBody
public UserDTO getUser(@PathVariable("id") String id) {
    return userService.getUserById(id);
}

用户

@XmlRootElement
@Entity(name = "users")
public class UserDTO implements Serializable {

@Id
private String email;
private String password;
private String name;



public String getPassword() {
    return password;
}

public void setPassword(String password) {
    this.password = password;
}

public String getEmail() {
    return email;
}

public void setEmail(String email) {
    this.email = email;
}

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}
}

应用上下文:

<bean id="restTemplate" class="org.springframework.web.client.RestTemplate">
    <property name="messageConverters">
        <list>
            <bean id="marshallingHttpMessageConverter"
                  class="org.springframework.http.converter.xml.MarshallingHttpMessageConverter">
                <property name="marshaller" ref="jaxbMarshaller" />
                <property name="unmarshaller" ref="jaxbMarshaller" />
            </bean>   
            <bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter" />
            <bean class="org.springframework.http.converter.FormHttpMessageConverter" />
            <bean class="org.springframework.http.converter.StringHttpMessageConverter" />
            <bean class="org.springframework.http.converter.xml.SourceHttpMessageConverter" />
            <bean class="org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter" />
            <bean class="org.springframework.http.converter.xml.XmlAwareFormHttpMessageConverter" />
            <bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />
        </list>
    </property>
</bean>

<bean id="jaxbMarshaller" class="org.springframework.oxm.jaxb.Jaxb2Marshaller">
    <property name="classesToBeBound">
        <list>
            <value>com.src.model.UserDTO</value>
            <value>com.src.model.MultimediaDTO</value>
            <value>com.src.model.BicycleDTO</value>
            <value>com.src.model.FriendshipRequestDTO</value>
        </list>
    </property>
</bean>

依赖关系:

<dependency>
        <groupId>org.codehaus.jackson</groupId>
        <artifactId>jackson-mapper-asl</artifactId>
        <version>1.9.13</version>
    </dependency>
    <dependency>
        <groupId>org.codehaus.jackson</groupId>
        <artifactId>jackson-core-asl</artifactId>
        <version>1.9.13</version>
    </dependency>
    <dependency>
        <groupId>javax.xml.bind</groupId>
        <artifactId>jaxb-api</artifactId>
        <version>2.2.9</version>
        <scope>runtime</scope>
    </dependency>

解决方法

好的,我终于找到了问题.响应实际上是由错误的安全配置生成的html错误页面.实际上上面的代码似乎没问题.谢谢!
原文链接:https://www.f2er.com/html/225291.html

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