解决Invalid character found in the request target. The valid characters are defined in RFC 7230 and RF

港控/mmm° 2021-09-30 15:54 197阅读 0赞

通过这里的回答，我们可以知道：  
**Tomcat**在 **7.0.73, 8.0.39, 8.5.7版本**后，添加了对于http头的验证。

具体来说，就是添加了些规则去限制HTTP头的规范性

参考[这里][Link 1]

具体来说：

`org.apache.tomcat.util.http.parser.HttpParser#IS_NOT_REQUEST_TARGET[]`中定义了一堆not request target

if(IS_CONTROL[i] || i > 127 || i == 32 || i == 34 || i == 35 || i == 60 || i == 62 || i == 92 || i == 94 || i == 96 || i == 123 || i == 124 || i == 125) { IS_NOT_REQUEST_TARGET[i] = true; }

转换过来就是以下字符(对应10进制ASCII看):

*  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,我也不晓得嫩个读`(`96`)
 *  `{`(`123`)
 *  `}`(`124`)

`　　 |`(`125`)

解决办法1：

还是参考[这里][Link 2]

即：

配置tomcat的catalina.properties

添加或者修改：

tomcat.util.http.parser.HttpParser.requestTargetAllow=|\{\}

这种方法只适合对应的应为，如果为中文则就不行。如果有?和&这些符合那么

**tomcat.util.http.parser.HttpParser.requestTargetAllow=|\{\}?&**

解决办法2：

**最轻便的方法，更换tomcat版本。此方法比较快**。

解决办法3：

**对相应的参数进行编码，就是将所有的参数都进行编码**

解决方法4：

**选择另外的参数传递方法，比如post或者localStorage。**

**　　本人采用的是直接更换tomcat版本，应为参数中包含中文，代码已经写好。不想修改，就直接还tomcat。当然，这种问题在Google浏览器中未发现，基本都是IE浏览器中出现。**

**　　需要更换那些版本的tomcat，可以直接下载对应的版本的tomcat**

**　　[http://archive.apache.org/dist/tomcat/tomcat-6/][http_archive.apache.org_dist_tomcat_tomcat-6]**

**　　[http://archive.apache.org/dist/tomcat/tomcat-7/][http_archive.apache.org_dist_tomcat_tomcat-7]**

**　　[http://archive.apache.org/dist/tomcat/tomcat-8/][http_archive.apache.org_dist_tomcat_tomcat-8]**

**　　[http://archive.apache.org/dist/tomcat/tomcat-9/][http_archive.apache.org_dist_tomcat_tomcat-9]**

[Link 1]: http://www.jianshu.com/p/1c870461fa41
[Link 2]: https://stackoverflow.com/questions/41053653/tomcat-8-is-not-able-to-handle-get-request-with-in-query-parameters
[http_archive.apache.org_dist_tomcat_tomcat-6]: http://archive.apache.org/dist/tomcat/tomcat-6/
[http_archive.apache.org_dist_tomcat_tomcat-7]: http://archive.apache.org/dist/tomcat/tomcat-7/
[http_archive.apache.org_dist_tomcat_tomcat-8]: http://archive.apache.org/dist/tomcat/tomcat-8/
[http_archive.apache.org_dist_tomcat_tomcat-9]: http://archive.apache.org/dist/tomcat/tomcat-9/

解决Invalid character found in the request target. The valid characters are defined in RFC 7230 and RF

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