Problem type identity
02The type URI identifies the kind of problem, while instance identifies an occurrence.
Related RFCs and changes
“Updates” changes part of an earlier RFC. “Obsoletes” replaces it. This list shows selected related documents.
DIAGRAM§ 3.1.1 ↗
RFC 9457 · § 3.1.1EXAMPLE
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03
Keep identifiers distinct
Many occurrences may share one type.
Protocol participantThreat or exceptionProtocol controlSimplified drawings · precise section references
Read the updated RFC section ↗
Consumers use the resolved type URI as the primary problem identifier.
- Consumers use the resolved type URI as the primary problem identifier.
- Missing type defaults to about:blank.
- Consumers should not automatically dereference type URIs except developer-facing contexts described by the RFC.
Examples are illustrative. Consult the linked RFC and its errata for implementation details.
Read the RFC section ↗Diagrams simplify the RFC. Read the linked sections for complete requirements.
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