6 lines
351 B
Markdown
6 lines
351 B
Markdown
# ADR-0005: HTTP precondition and conflict semantics
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Status: Accepted
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Failed `If-Match` or equivalent representation preconditions return `412 Precondition Failed`. Name collisions, invalid hierarchy operations, and other domain conflicts return `409 Conflict`. Both use RFC 9457 problem documents with stable codes and current state where useful.
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