org.springframework.http.converter.HttpMessageNotReadableException异常解决

系统管理员 2022-11-27 06:59 92阅读 0赞

## 问题现场还原 ##

最近研发过程中，后台代码是这么写的：

@ApiImplicitParam(name = "X-Token", value = "登陆用户Token",required = true, dataType = "String",paramType="header")
        @PostMapping(value = "/update-advert-status.do")
        public VueElementAdminResponse updateAdvertStatus(@RequestBody AdvertUpdateParam advertUpdateParam){ 
              ...
      }

实体类是这么写的：

import lombok.Data;
    /** * @author qing-feng.zhao */
    @Data
    public class AdvertUpdateParam{ 
        private String id;
        private Integer status;
    }

后台出现了这个错误：

2020-08-14 06:55:10.141 WARN  --- o.s.w.s.m.s.DefaultHandlerExceptionResolver --- org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver:199:
    Resolved [org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Unexpected end-of-input: expected close marker for Object (start marker at [Source: (PushbackInputStream); line: 1, column: 1]); nested exception is com.fasterxml.jackson.core.io.JsonEOFException: Unexpected end-of-input: expected close marker for Object (start marker at [Source: (PushbackInputStream); line: 1, column: 1])
     at [Source: (PushbackInputStream); line: 3, column: 14]]

## 解决方案 ##

一种原因是页面传参和后台不符[异常org.springframework.http.converter.HttpMessageNotReadableException][org.springframework.http.converter.HttpMessageNotReadableException]。

另外一种是被`@RequestBody` 修饰的请求参数实体类没有实现序列化接口，如果不序列化就会出错。

修复代码如下所示：

import lombok.Data;
    
    import java.io.Serializable;
    
    /** * @author qing-feng.zhao */
    @Data
    public class AdvertUpdateParam implements Serializable { 
        private static final long serialVersionUID = -1242493306307174690L;
        private String id;
        private Integer status;
    }

本篇完～

[org.springframework.http.converter.HttpMessageNotReadableException]: https://blog.csdn.net/weixin_43978501/article/details/89597999