414 URI Too Long

The 414 (URI Too Long) status code indicates that the server is
refusing to service the request because the request-target (
) 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
).

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