我正在调用用 SpringBoot 编写的 POST 服务 getOrder3 ,该服务工作正常(在 Postman 中测试),但是当从另一个服务通过restTemplate.postForObject 调用时出现错误。我尝试了 2 个版本的客户端服务 getOrderClient 和 getOrderClient2,但两者都给出相同的错误:
HttpClientErrorException$BadRequest:400:[无正文]
请查看以下详细信息。如有任何帮助,我们将不胜感激。
获取订单3
@PostMapping(value="/getOrder3/{month}",produces="application/json")
public ResponseEntity<OrderResponse> getOrder3(
@PathVariable("month") String month,
@RequestParam String parmRequestSource,
@RequestParam(required=false) String parmAudienceType,
@RequestBody OrderRequestForm orderRequestForm) {
OrderResponse orderResponse = new OrderResponse();
log.info("In getOrder3...parmRequestSource = " + parmRequestSource + " parmAudienceType = " + parmAudienceType);
try {
//validate JSON schema
//orderService.validateMessageAgainstJSONSchema(orderRequestForm);
//process order
orderResponse = orderService.processOrder(orderRequestForm);
orderResponse.setParmRequestSource(parmRequestSource);
orderResponse.setParmAudienceType(parmAudienceType);
orderResponse.setMonth(month);
}catch (Exception e) {
throw new OrderException("101", e.getMessage(), HttpStatus.BAD_REQUEST);
}
return new ResponseEntity<>(orderResponse,HttpStatus.OK);
}
服务运行良好,已在邮递员中测试
现在,当我尝试通过restTemplate.postForObject 通过另一个微服务调用时,我收到错误。尝试了以下 2 个版本的客户端,getOrderClient 和 getOrderClient2
获取订单客户端
@PostMapping(value="/getOrderClient/{month}",produces="application/json")
public OrderResponse getOrderClient(
@PathVariable("month") String month,
@RequestParam String parmRequestSource,
@RequestParam String parmAudienceType,
@RequestBody OrderRequestForm orderRequestForm) throws URISyntaxException, JsonProcessingException {
RestTemplate restTemplate = new RestTemplate();
URI uri = new URI("http://localhost:51001/orders/v1/getOrder/"+month+"?parmRequestSource="+parmRequestSource+"&parmAudienceType="+parmAudienceType);
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
String requestJson = new ObjectMapper().writeValueAsString(orderRequestForm);
HttpEntity<String> httpEntity = new HttpEntity<String>(requestJson,headers);
String response = restTemplate.postForObject(uri, httpEntity, String.class);
return new ObjectMapper().readValue(response, OrderResponse.class);
}
获取OrderClient2
@PostMapping(value="/getOrderClient2/{month}",produces="application/json")
public OrderResponse getOrderClient2(
@PathVariable("month") String month,
@RequestParam String parmRequestSource,
@RequestParam String parmAudienceType,
@RequestBody OrderRequestForm orderRequestForm) throws URISyntaxException, JsonProcessingException {
RestTemplate restTemplate = new RestTemplate();
URI uri = new URI("http://localhost:51001/orders/v1/getOrder/"+month+"?parmRequestSource="+parmRequestSource+"&parmAudienceType="+parmAudienceType);
return restTemplate.postForObject(uri, orderRequestForm, OrderResponse.class);
}
两者都给出相同的错误:
HttpClientErrorException$BadRequest:400:[无正文]
请推荐。
我能够通过更正我发布的 json 的语法来解决上述问题。在一些字母数字字段中,我错过了我发送的双引号示例 {"name":Gar1233} 更正为 {"name":"Gar1233"} 后问题已解决。
为了提高解决方案的可见性,@astar 通过使用
@JsonProperty
注释模型对象的属性来解决该问题。