解决方案：Invalid character found in the request target. The valid characters are defined in RFC 7230

太过爱你忘了你带给我的痛 2024-04-18 06:26 67阅读 0赞

报错信息如下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2h6YXVfaXRkb2c_size_16_color_FFFFFF_t_70][]

从错误日志中看到Error parsing HTTP request header  
负责解析http请求的是org.apache.tomcat.util.http.parser.HttpParser，它对请求对URL中对字符做了限制，具体代码如下：  
IS\_NOT\_REQUEST\_TARGET\[\]中定义了一堆not request target

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2h6YXVfaXRkb2c_size_16_color_FFFFFF_t_70 1][]

转换过来就是以下字符(对应10进制ASCII)，也就是URL中不能包含的特殊字符:

*  键盘上那些控制键:(<32或者=127)
 *  非英文字符(>127)
 *  空格(32)
 *  双引号(34)
 *  \#(35)
 *  <(60)
 *  >(62)
 *  反斜杠(92)
 *  ^(94)
 *  TAB上面那个键,~(96)
 *  \{(123)
 *  \}(124)
 *  |(125)

请求的链接含有特殊字符，或者请求url不正确，把这些字符转译，

![20190903150128365.png][]

我这里是因为请求地址有问题

把 \\\\改成/

就可以了

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2h6YXVfaXRkb2c_size_16_color_FFFFFF_t_70]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/f3a3f1e7df204be7b4abfdabbdcc772d.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2h6YXVfaXRkb2c_size_16_color_FFFFFF_t_70 1]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/f9e1da86f0ff44ac8ac927ce664959ad.png
[20190903150128365.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/f6ed48726a134540a0895ca42f92da2e.png

解决方案：Invalid character found in the request target. The valid characters are defined in RFC 7230

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