RestTemplate text/html HttpMessageConverter报错的解决方案
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这边调用的时候使用了RestTemplate
使用过程
RestTemplate restTemplate = new RestTemplate();String payUrlFinal = "http://127.0.0.1/pay?orderId=1";PayResponse payResponse = restTemplate.getForObject(payUrlFinal, PayResponse.class);
解决方案:下面是我请求的路径@GetMapping("/pay") @ResponseBody public PayResponse pay(@RequestParam("orderId") String orderId){ //1.查询订单 OrderDTO orderDTO = orderService.findOne(orderId); if(Objects.isNull(orderDTO)){ //订单不存在 throw new SellException(ResultEnum.ORDER_NOT_EXIST); } //发起支付 PayResponse payResponse = payService.create(orderDTO); return payResponse; }
调用之后程序报以下错误Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.web.client.RestClientException: Could not extract response: no suitable HttpMessageConverter found for response type [class com.lly835.bestpay.model.PayResponse] and content type [text/html;charset=UTF-8]] with root causeorg.springframework.web.client.RestClientException: Could not extract response: no suitable HttpMessageConverter found for response type [class com.lly835.bestpay.model.PayResponse] and content type [text/html;charset=UTF-8]at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:109)at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:655)at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:613)at org.springframework.web.client.RestTemplate.getForObject(RestTemplate.java:287)at com.imooc.controller.PayController.create(PayController.java:107)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)我们继承 MappingJackson2HttpMessageConverter 并在构造过程中设置其支持的 MediaType 类型即可:
public class WxMappingJackson2HttpMessageConverter extends MappingJackson2HttpMessageConverter { public WxMappingJackson2HttpMessageConverter(){ List<MediaType> mediaTypes = new ArrayList<>(); mediaTypes.add(MediaType.TEXT_PLAIN); mediaTypes.add(MediaType.TEXT_HTML); //加入text/html类型的支持 setSupportedMediaTypes(mediaTypes);// tag6 }}然后把这个 WxMappingJackson2HttpMessageConverter 追加到 RestTemplate 的 messageConverters 消息转换链中去:
RestTemplate restTemplate = new RestTemplate();restTemplate.getMessageConverters().add(new WxMappingJackson2HttpMessageConverter());String payUrlFinal = "http://127.0.0.1/pay?orderId=1";PayResponse payResponse = restTemplate.getForObject(payUrlFinal, PayResponse.class);具体原因分析可参照下面的地址:
http://blog.csdn.net/kinginblue/article/details/52706155
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