The size of the request headers is too long.
当 IIS7/7.5 收到的请求头的长度超过16K(默认值),就会引发"Bad Request - Request Too Long. HTTP Error 400. The size of the request headers is too long."的错误。
最简单的办法就是 F12 清除浏览器COOKIE
转至: https://blog.csdn.net/qq_34489091/article/details/79850793

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