如何解决使用XML的Spring 3 REST给出“ 406不可接受”
| 我正在尝试使用Spring 3实现REST Remoting,但无法解决“ 406 Not Acceptable \”错误... 我尝试远程1服务返回一个应用程序/ xml内容。每次我发送带有\“Accept=application/xml
\”的请求时,都会出现406错误。每次我使用不同的\“ Accept \”标头发送它时,都会得到404(和handleNoSuchRequestHandlingMethod异常)。我可以在日志中看到该服务本身的调用。我还发现,在servlet初始化期间,我收到以下错误,尽管我不确定这是否是一个问题:
找不到任何要委托给的ViewResolvers;请使用ContentNegotiatingViewResolver上的\'viewResolvers \'属性配置它们
我尝试了许多不同的配置,但没有成功。也许您可以在我的实现中发现一些错误?
extService-servlet.xml
<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<beans xmlns=\"http://www.springframework.org/schema/beans\"
xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:util=\"http://www.springframework.org/schema/util\"
xmlns:aop=\"http://www.springframework.org/schema/aop\" xmlns:context=\"http://www.springframework.org/schema/context\"
xmlns:task=\"http://www.springframework.org/schema/task\" xmlns:mvc=\"http://www.springframework.org/schema/mvc\"
xmlns:oxm=\"http://www.springframework.org/schema/oxm\" xmlns:p=\"http://www.springframework.org/schema/p\"
xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.0.xsd
http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm-3.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd\">
<context:component-scan base-package=\"ch.epimmo.immogreen.backend.mvc\" />
<mvc:annotation-driven />
<oxm:jaxb2-marshaller id=\"jaxbMarshaller\">
<oxm:class-to-be-bound name=\"ch.epimmo.immogreen.common.dto.ExpertDto\" />
</oxm:jaxb2-marshaller>
<bean
class=\"org.springframework.web.servlet.view.ContentNegotiatingViewResolver\"
p:order=\"#{T(org.springframework.core.Ordered).HIGHEST_PRECEDENCE}\">
<property name=\"defaultContentType\" value=\"text/html\" />
<!-- <property name=\"ignoreAcceptHeader\" value=\"true\" /> -->
<property name=\"favorPathExtension\" value=\"true\" />
<property name=\"mediaTypes\">
<map>
<entry key=\"xml\" value=\"application/xml\" />
</map>
</property>
<property name=\"defaultViews\">
<list>
<bean class=\"org.springframework.web.servlet.view.xml.MarshallingView\">
<property name=\"marshaller\" ref=\"jaxbMarshaller\" />
</bean>
</list>
</property>
</bean>
</beans>
控制者
@Controller
@RequestMapping( { \"extService\" })
public class ExtServiceController {
protected final static Logger LOGGER = Logger.getLogger(ExtServiceController.class);
@Autowired
private UserManagementService userManagementService;
// @RequestMapping(value = \"/experts\",method = RequestMethod.GET,headers = { \"Accept=*/*\" })
// @RequestMapping(value = \"experts\",method = RequestMethod.GET)
@RequestMapping(value = \"experts\",headers = { \"Accept=application/xml,text/xml\" })
public @ResponseBody
ExpertDto getExperts() {
return new ExpertDto();
}
}
测试
DefaultHttpClient httpClient = new DefaultHttpClient();
String expertsUrl = \"http://localhost:8080/extService/experts\";
HttpGet getRequest = new HttpGet(expertsUrl);
getRequest.setHeader(new BasicHeader(\"Accept\",\"application/xml\"));
// getRequest.setHeader(new BasicHeader(\"Accept\",\"text/html\"));
// getRequest.setHeader(new BasicHeader(\"Accept\",\"*/*\"));
HttpResponse response = httpClient.execute(getRequest);
HttpEntity entity = response.getEntity();
InputStream content = entity.getContent();
解决方法
考虑使用以下方法代替@ResponseBody
@RequestMapping(value = \"experts\",method = RequestMethod.GET)
public @ResponseBody
void getExperts(org.springframework.ui.Model model) {
model.addAttribute(new ExpertDto());
}
\“未找到要委托给...的任何ViewResolvers”只是警告,您可以忽略它。
,将您的@RequestMapping注释修改为
@RequestMapping(value = \"experts\",method = RequestMethod.GET,headers = { \"Accept=application/xml\" })
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