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

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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

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:

还是参考这里

即:

配置tomcat的catalina.properties

添加或者修改:

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

 

当然还有另外一种方法,就是将所有的参数都进行

 

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