微服务调用feign报错，有没有大佬帮看看什么问题，搞了一天了~~

[qq_34715667]

这个是controller的代码：

@Controller
@RequestMapping(value = "dict")
public class FinaDictController {

private static final Logger logger = LoggerFactory.getLogger(FinaDictController.class);

@Autowired
private FinanceFeignClientImpl financeService;


@ResponseBody
@PostMapping(value = "/list")
public Map<String, Object> selectAll(@RequestParam(value = "field", required = false) String field,
@RequestParam(value = "fieldName", required = false) String fieldName,
@RequestParam(value = "pageNum", required = false, defaultValue = "1") Integer pageNum,
@RequestParam(value = "pageSize", required = false, defaultValue = "10") Integer pageSize) {
logger.info("---------------传入参数：field:{},fieldName:{}.", field, fieldName);
FinaDictVo finaDictVo = new FinaDictVo();
if(field != null){
finaDictVo.setField(field);
}
if(fieldName != null){
finaDictVo.setFieldName(fieldName);
}
PageInfo<FinaDictVo> pageInfo = financeService.selectAll(finaDictVo, pageNum, pageSize);
Map<String, Object> map = PageUtil.PageToMap(pageInfo);
return map;
}






这个是feign代码：
public interface FinaDictFeignClient {


@ResponseBody
@PostMapping("/dict/list")
public PageInfo<FinaDictVo> selectAll(@RequestBody FinaDictVo finaDictVo,
@RequestParam(value = "pageNum", required = false, defaultValue = "1") Integer pageNum,
@RequestParam(value = "pageSize", required = false, defaultValue = "10") Integer pageSize);

}

[qq_34715667]

feign.codec.EncodeException: class com.mdjr.finance.vo.FinaDictVo is not a type supported by this encoder. at feign.codec.Encoder$Default.encode(Encoder.java:90) at feign.form.FormEncoder.encode(FormEncoder.java:87) at feign.form.spring.SpringFormEncoder.encode(SpringFormEncoder.java:62) at feign.ReflectiveFeign$BuildEncodedTemplateFromArgs.resolve(ReflectiveFeign.java:351) at feign.ReflectiveFeign$BuildTemplateByResolvingArgs.create(ReflectiveFeign.java:213) at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:72) at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103) at com.sun.proxy.$Proxy136.selectAll(Unknown Source) at com.mdjr.oa.finance.dictionary.FinaDictController.selectAll(FinaDictController.java:45) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.__invoke(DelegatingMethodAccessorImpl.java:43) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:45009) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:45012) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387) at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.__invoke(StandardContextValve.java:96) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:40002) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$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)

[qq_34715667]

@FeignClient("finance") public interface FinanceFeignClientImpl extends FinaDictFeignClient{ }

[oldmee]

feign中方法的入参与请求的controller中的参数不匹配嘛： 把@RequestBody FinaDictVo finaDictVo, 换成 @RequestParam(value = "field", required = false) String field 和 @RequestParam(value = "fieldName", required = false) String fieldName 这两个参数 编码异常很明显，feign.codec.EncodeException: class com.mdjr.finance.vo.FinaDictVo is not a type supported by this encoder.

[qq_34715667]

引用 3 楼 oldmee 的回复:

feign中方法的入参与请求的controller中的参数不匹配嘛： 把@RequestBody FinaDictVo finaDictVo, 换成 @RequestParam(value = "field", required = false) String field 和 @RequestParam(value = "fieldName", required = false) String fieldName 这两个参数 编码异常很明显，feign.codec.EncodeException: class com.mdjr.finance.vo.FinaDictVo is not a type supported by this encoder.

谢谢回复，问题已经解决，只是不清楚为什么封装成vo报错~

[淏之境]

我这个调用都找不到 [http-nio-8801-exec-4] ERROR c.h.f.exception.RestExceptionHandler -【】- FeignException feign.RetryableException: orders-provider-765c7f8bb8-t99c9: Name or service not known executing POST http://hnf-orders-provider-server/countShop/getShopCountPC at feign.FeignException.errorExecuting(FeignException.java:67) at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:104) at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:76) at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103) at com.sun.proxy.$Proxy140.getShopCount(Unknown Source) at com.hnf.framework.controller.ShopCountController.getShopAbout(ShopCountController.java:44) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498)

[戎码一生灬]

引用 4 楼 qq_34715667 的回复:

[quote=引用 3 楼 oldmee 的回复:]
feign中方法的入参与请求的controller中的参数不匹配嘛：

把@RequestBody FinaDictVo finaDictVo, 换成
@RequestParam(value = "field", required = false) String field 和
@RequestParam(value = "fieldName", required = false) String fieldName 这两个参数

编码异常很明显，feign.codec.EncodeException: class com.mdjr.finance.vo.FinaDictVo is not a type supported by this encoder.

谢谢回复，问题已经解决，只是不清楚为什么封装成vo报错~[/quote]


哈哈哈，之前我也遇到这个坑，入参不要封装成Vo，会报错的，哈哈哈哈

[不露声色的小胖子]

服务之间使用feign互调的时候不支持@requestbody注解， 改成post方式就可以

[王先生草]

feign 调用可以封装成 Vo, 只是相应的, 你的producer 也要加上 @requestBody , 另外, feign调用 最好保持 两边 的参数一致性.

[王先生草]

就是 你producer controller层参数 也要添加上@requestBody XXXVo xxxVo

[我想再坚持一下]

找个例子 连个服务间的调用。 你这代码 调用服务的注解我都没看到