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HTTP 414 URI Too Long响应状态码指示客户端请求的 URI 比服务器愿意解释的更长。

发生这种情况时有一些罕见的情况：

当客户不正确地将POST请求转换为GET具有长查询信息的请求时，

当客户端已经下降到重定向循环（例如，指向其自身后缀的重定向 URI 前缀）时，

或者当服务器受到试图利用潜在安全漏洞的客户端的攻击时。

状态

414 URI Too Long

规范

规范	标题
RFC 7231，第6.5.12节：414 URI太长	超文本传输协议（HTTP / 1.1）：语义和内容

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