could not create unique index "idx_xs_item_cache_lookup"

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Daniel Drucker

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May 7, 2026, 10:49:32 AM (5 days ago) May 7
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Upon upgrading to 1.10.0 (from 1.9.2.2), I get dozens of messages like:

xnat-db-1         | 2026-05-07 14:45:42.420 UTC [43] ERROR:  could not create unique index "idx_xs_item_cache_lookup"

xnat-db-1         | 2026-05-07 14:45:42.420 UTC [43] DETAIL:  Key (elementname, ids)=(xdat:user, 178) is duplicated.

xnat-db-1         | 2026-05-07 14:45:42.420 UTC [43] STATEMENT:  CREATE UNIQUE INDEX IF NOT EXISTS idx_xs_item_cache_lookup ON xs_item_cache(elementName, ids)

xnat-db-1         | 2026-05-07 14:45:42.434 UTC [42] ERROR:  could not create unique index "idx_xs_item_cache_lookup"



However, XNAT seems to be running fine. Should I be concerned?

Daniel Drucker


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