Spring POST失败HTTP 415和400

Question

我正在尝试使用fiddler对SpringRestAPI进行POST调用，

@RequestMapping(value = "/GetPlanByBasicContext/", method = RequestMethod.POST)
public @ResponseBody TravelPlan getPlanByBasicContext(@RequestBody BasicPlanContext b) {
    return planService.getPlan(b));
}

对小提琴手的要求：

http://localhost:8080/now/travelPlan/GetPlanByBasicContext/

标题：

User-Agent: Fiddler
Host: localhost:8080
Content-Length: 248

POST有效载荷：

{
    "sourceLocation": "",
    "destinationLocation": "",
    "modeOfTransport": "car", 
    "travellers": {
        "age1to16": 0,
        "age17to30": 0,
        "age31to50": 0,
        "age50plus": 0
    },
    "dates": {
        "startDate": "",
        "endDate": ""
    }
}

有效负载中的属性与BasicPlanContext类中的属性相同，以及getter和setter。

我发现以下错误：

 415 Unsupported Media Type
 The server refused this request because the request entity is in a format not supported 
 by the requested resource for the requested method.

尝试将@Request estbody替换为@ModelAtort，但没有帮助。

我还有以下库：

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-core</artifactId>
    <version>2.4.3</version>
</dependency>
<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>2.4.3</version>
</dependency>

编辑1：尝试将以下内容添加到标题，

Content-Type: application/json

遵循POST方法，

@RequestMapping(..., headers="Accept=application/json")

这导致客户端发送的请求在语法上不正确

Answer 1

您试图发送JSON负载，但服务器拒绝了状态为415的请求，这表明请求的媒体类型导致了问题。

首先，您需要定义请求方法接受JSON有效负载

@RequestMapping(..., headers="Accept=application/json")

并且fiddler请求应该包括标头

Content-Type: application/json