httpstatuses/contents/codes/414.md
2015-11-07 05:45:46 +00:00

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---
set: 4
code: 414
title: Request-URI Too Long
references:
"Rails HTTP Status Symbol": ":request_uri_too_long"
---
The 414 URI Too Long status code indicates that the server is refusing to
service the request because the request-target ([Section 5.3 of RFC7230][2]) is
longer than the server is willing to interpret.
This rare condition is only likely to occur when a client has improperly
converted a POST request to a GET request with long query information, when the
client has descended into a "black hole" of redirection (e.g., a redirected URI
prefix that points to a suffix of itself) or when the server is under attack by
a client attempting to exploit potential security holes.
A 414 response is cacheable by default; i.e., unless otherwise indicated by the
method definition or explicit cache controls
(see [Section 4.2.2 of RFC7234][3]).
Source: [RFC7231 Section 6.5.12][1]
[1]: <http://tools.ietf.org/html/rfc7231#section-6.5.12>
[2]: <http://tools.ietf.org/html/rfc7231#section-5.3>
[3]: <http://tools.ietf.org/html/rfc7234#section-4.2.2>