JSON parse error: Cannot deserialize instance of `com.haha.phb.io.UserArrayIO

逃离我推掉我的手 2022-12-24 04:57 134阅读 0赞

# 前言 #

最近开发新项目，接收前端提交的数组，报错

--------------------

# 错误信息 #

{ 
        "timestamp": "2020-11-26T12:28:21.713+0000",
        "status": 400,
        "error": "Bad Request",
        "message": "JSON parse error: Cannot deserialize instance of `com.haha.phb.io.UserArrayIO` out of START_ARRAY token; nested exception is com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of `com.haha.phb.io.UserArrayIO` out of START_ARRAY token\n at [Source: (PushbackInputStream); line: 1, column: 1]",
        "path": "/api/user/save"
    }

*  请求参数

[
        { 
            "loginUserId":null,
            "userName":"张三",
            "password":"123456",
            "roleName":"操作员"
        },{ 
            "loginUserId":null,
             "userName":"王五",
            "password":"123456",
            "roleName":"操作员"
        }
    ]

*  后端接收  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center]  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 1]
 *  修改后端接收参数  
    重新启动项目：  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 2]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center]: /images/20221120/0c8d1bba3efa4a1babc433977cf11284.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 1]: /images/20221120/83cd002d4e6e420bb9db86896d2936fb.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 2]: /images/20221120/8d257385bf004fceb3db11397fcabc49.png

JSON parse error: Cannot deserialize instance of `com.haha.phb.io.UserArrayIO

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