# [516] Archetype Validator: Add check for non-unique keys in ontology (e.g.

**Category:** [Reference Implementation: Java (archive)](https://discourse.openehr.org/c/reference-implementation-java-archive/154)
**Created:** 2010-08-09 13:52 UTC
**Views:** 1
**Replies:** 0
**URL:** https://discourse.openehr.org/t/516-archetype-validator-add-check-for-non-unique-keys-in-ontology-e-g/13575

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## Post #1 by @svn1

Revision: 516
Author:   sebastian\.garde
Log Message:

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**Canonical:** https://discourse.openehr.org/t/516-archetype-validator-add-check-for-non-unique-keys-in-ontology-e-g/13575
**Original content:** https://discourse.openehr.org/t/516-archetype-validator-add-check-for-non-unique-keys-in-ontology-e-g/13575