HttpMediaTypeNotSupportedException: Content type 'text/plain;charset=UTF-8' not supported

1、报错信息

由于报错提示信息太长，所以只截取了一部分，不影响判断，原因是因为数据传输格式选择错误。

org.springframework.web.HttpMediaTypeNotSupportedException: Content type 'text/plain;charset=UTF-8' not supported
	at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodArgumentResolver.readWithMessageConverters(AbstractMessageConverterMethodArgumentResolver.java:224)
	at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.readWithMessageConverters(RequestResponseBodyMethodProcessor.java:157)
	at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.resolveArgument(RequestResponseBodyMethodProcessor.java:130)
	at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:126)
	at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:166)
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:134)
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)

2、访问的Controller

@ApiOperation("添加广告")
@ApiImplicitParam(name = "advertInfoParam",value = "添加广告" , dataType = "AdvertInfoParam", paramType = "body")
@PostMapping("/advert/insertAdvert")
public CommResponse<?> insertAdvert(@RequestHeader("accessToken") String accessToken,
                                    @RequestBody AdvertInfoParam advertInfoParam) {
     return this.advertInfoServiceFacade.insertAdvert(advertInfoParam);
}

3、解决方案

1、POSTMAN测试工具，原因是因为数据传输格式选择错误。

postman之所以报Unsupported Media Type: Content type 'text/plain;charset=UTF-8' not supported错误，是发送数据的格式不正确，需要修改数据的发送方式所匹配的格式。因为发送的数据是json格式的，而postman默认是text格式，有些会报错，所以改成选择json样式。

2、配置HTTP信息头管理器，增加消息头 Content-Type：application/json;charset=UTF-8