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HTTP_E_STATUS_URI_TOO_LONG
HTTP_E_STATUS_URI_TOO_LONG maps to HTTP 414 URI Too Long. The request target exceeds the length the server is willing to process, often because of an oversized query string or a redirect loop that keeps extending the URI.
What to check
- Measure the final request target after URL encoding and redirects.
- Look for repeated parameters, serialized state, token leakage into a query string, or rewrite loops.
- Redesign the request only in a way that preserves API semantics; do not move sensitive data to a URL merely to work around another limit.
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