Spring Rest Controller字符串响应
[英]Spring Rest Controller String response
问题描述
I have a Spring Controller for Rest service: 
我有一个Spring Controller for Rest服务：
@Controller
@RequestMapping(value = "/sample")
public class SampleController
{
@RequestMapping(value = "/getText", method = RequestMethod.GET, produces = "text/plain")
@ResponseBody
public String testMethod(@RequestParam("locale") final String locale) {
return "Hello Worlds TEXT";
}
}
When I perform a GET request at https://localhost:9002/sample/getText?locale=en , I will get error "Could not find acceptable representation" . 当我在https://localhost:9002/sample/getText?locale=en执行GET请求时，将出现错误“找不到可接受的表示形式” 。 But I need a plain text. 但是我需要一个纯文本。 Could you please explain how I can get a simple text? 您能解释一下我如何得到一个简单的文字吗？
The "Could not find acceptable representation" using spring-boot-starter-web not resolved my problem 使用spring-boot-starter-web的“找不到可接受的表示形式”不能解决我的问题
I have stackTrace: 我有stackTrace：
06 Mar 2018 14:44:20,097 ERROR [hybrisHTTP19] [RestHandlerExceptionResolver] org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:251)
at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:154)
at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.handleReturnValue(RequestResponseBodyMethodProcessor.java:165)
at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:81)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:126)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:832)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:743)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:961)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:895)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:254)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$StatisticsGatewayFilter.doFilter(AbstractPlatformFilterChain.java:343)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at com.wiley.ws.core.filter.TransactionFilter.doFilter(TransactionFilter.java:55)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at com.wiley.ws.core.v3.filter.DisableRestrictionsFilter.doFilter(DisableRestrictionsFilter.java:47)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at com.wiley.ws.core.auth.GuestRoleFilter.doFilterInternal(GuestRoleFilter.java:102)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at com.wiley.ws.core.v2.filter.UserMatchingFilter.doFilterInternal(UserMatchingFilter.java:120)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:316)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.web.access.channel.ChannelProcessingFilter.doFilter(ChannelProcessingFilter.java:152)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at com.wiley.ws.core.filter.SessionAttributesFilter.doFilterInternal(SessionAttributesFilter.java:78)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at de.hybris.platform.webservicescommons.filter.RestSessionFilter.doFilter(RestSessionFilter.java:49)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at de.hybris.platform.servicelayer.web.Log4JFilter.doFilter(Log4JFilter.java:45)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at de.hybris.platform.webservicescommons.filter.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:45)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224)
at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain.doFilterInternal(AbstractPlatformFilterChain.java:154)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at de.hybris.platform.webservicescommons.filter.SessionHidingFilter.doFilter(SessionHidingFilter.java:44)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:168)
at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:233)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:87)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at de.hybris.platform.servicelayer.web.XSSFilter.processPatternsAndDoFilter(XSSFilter.java:293)
at de.hybris.platform.servicelayer.web.XSSFilter.doFilter(XSSFilter.java:247)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.Log4JAccessLogValve.invoke(Log4JAccessLogValve.java:650)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:683)
at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:683)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
4 个解决方案
解决方案1
0 2018-03-06 13:53:37
解决方案2
0 2018-03-06 14:13:17
Hey Your code just working fine. 嘿，您的代码工作正常。 I have tried the same. 我尝试过相同的。 please see the code below. 请参见下面的代码。 Please make sure you are send get request is correct. 请确保您发送的获取请求正确无误。
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
@RequestMapping(value = "/sample")
public class SampleController {
@RequestMapping(value = "/getText", method = RequestMethod.GET, produces = "text/plain")
@ResponseBody
public String testMethod(@RequestParam("locale") final String locale) {
return "Hello Worlds TEXT";
}
}
Please see the request response screenshot from browser. 请从浏览器中查看请求响应屏幕截图。
解决方案3
0 2018-03-06 14:35:43
It okay with me, just make client with right controller and service. 我可以，请为客户提供正确的控制器和服务。 You should have "application/plain" for ClientResponse, like: 您应该为ClientResponse使用“应用程序/纯文本”，例如：
Client client = Client.create();
WebResource resource = client.resource("http://localhost:8181/SpringMVC/sample/getText.do?locale=en");
ClientResponse response = resource.accept("application/plain").get(ClientResponse.class);
Your Rest client controller would be: 您的Rest客户端控制器将是：
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class CustomerController {
@Autowired
RESTfulClient rESTfulClient;
@RequestMapping(value = "showResponse")
public String getResponse() {
String respose = rESTfulClient.getResponse();
System.out.println("output: "+respose);
return "showCustomer";
}
}
And Rest client service would be like: 其余客户服务将像：
import org.springframework.stereotype.Service;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
@Service
public class RESTfulClient {
public String getResponse(){
String output="hello";
try {
Client client = Client.create();
WebResource resource = client.resource("http://localhost:9002/SpringMVC/sample/getText.do?locale=en");
ClientResponse response = resource.accept("application/plain").get(ClientResponse.class);
if(response.getStatus() == 200){
output = response.getEntity(String.class);
System.out.println(output);
}else System.out.println("Somthing went wrong..!");
} catch (Exception e) {
e.printStackTrace();
}
return output;
}
}
解决方案4
0 已采纳 2018-03-07 13:33:33
The issue has been resolved. 该问题已解决。 Spring's AbstractHttpMessageConverter functionality are customized for my project. Spring的AbstractHttpMessageConverter功能是为我的项目定制的。 I didn't know about it when I asked this question. 当我问这个问题时我不知道。 There were no any converters for text/plain. 没有用于文本/纯文本的任何转换器。 There was only one Jaxb2HttpMessageConverter converter for json. json仅有一个Jaxb2HttpMessageConverter转换器。 I have added the converter: 我添加了转换器：
<bean id="stringHttpMessageConverter" class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<util:constant id="text_plain" static-field="org.springframework.http.MediaType.TEXT_PLAIN"/>
</list>
</property>
</bean>
And now the code: 现在的代码：
@Controller
@RequestMapping(value = "/sample")
public class SampleController
{
@RequestMapping(value = "/getText", method = RequestMethod.GET, produces = "text/plain")
@ResponseBody
public String testMethod(@RequestParam("locale") final String locale) {
return "Hello Worlds TEXT";
}
}
works fine. 工作正常。 Hope this will help somebody 希望这对某人有帮助
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