异常: “Unexpected character (‘ï‘ (code 239)): was expecting a colon to separate field name and value

本是古典何须时尚 2022-12-23 06:26 81阅读 0赞

# 项目场景： #

在向SpringbootMVC项目发送JSONl类型请求时. 出现的问题以及几种解决思路

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

# 问题描述： #

{ 
    "messageId": "9fcda359-89f5-4933-8fa1-....",
    "command": "user...",
    "openId":"yhfay...",
    	"data":{ 
    		"sex":"1",
    		"birthDate":"1987-10-02",
    		"area"："310100....",
    		"temHobby":2,
    		"sleepStartTime":"22:10",
    		"sleepTime":"7.5"
    	}
    }

向指定的接口发送JSON字符串时, 系统日志中出现下面内容,

> Resolved \[org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Unexpected character (‘ï’ (code 239)): **was expecting a colon to separate field name and value**; nested exception is com.fasterxml.jackson.core.JsonParseException: Unexpected character (‘ï’ (code 239)): was expecting a colon to separate field name and value  
> at \[Source: (PushbackInputStream); line: 8, column: 8\]\]

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# 原因分析： #

异常主要信息用黑体标出. 由黑体翻译可知: 期望使用冒号分隔属性和值, **因此说明我们用于分隔值的冒号有问题**

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# 解决方案： #

经仔细检查发现`"area"："310100....",`中的冒号使用的是中文字符, **将英文字符换成中文冒号**

ps: 在JSON出现问题时, 可以利用csdn的Markdown来验证JSON是否异常

## 利用Markdown代码块进行JSON校验 ##

1.  ctrl+k 插入代码片, json放入代码片内.  
    在左上角将\`\`\`后的 java **改成json**(代表插入的是json, 会自动做json校验, 如下图)
2.  观察json显示是否有问题  
    可以**明显看到**该冒号与其他区域**冒号不一致**(说明是大写字符),改成小写字符即可  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQzMzcxNTU2_size_16_color_FFFFFF_t_70_pic_center]

## 利用在线网站JSON校验 ##

> 个人觉得不如csdn代码块的校验好用

地址 https://www.sojson.com/simple\_json.html

## 利用notepad++等富文本编辑软件 ##

> 方式同Markdown差不多, 大家自行测试

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

因为使用的是他人编写的接口文档实例直接测试,  
所以在接口测试的时候没有关注其JSON是否正确.  
但是希望自己引以为戒, 在写接口文档时候不要给别人留坑,  
以防被别人问候family!!!

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQzMzcxNTU2_size_16_color_FFFFFF_t_70_pic_center]: /images/20221120/f1ab425d3b5e4348ba20228f8feb097a.png

异常: “Unexpected character (‘ï‘ (code 239)): was expecting a colon to separate field name and value

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