Handle events overview when event definition is missing (6.3)#25736
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* Handle case where event definition is missing * add cl entry (cherry picked from commit c53ffba)
ryan-carroll-graylog
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danotorrey,
kingzacko1,
linuspahl and
zeeklop
zeeklop
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Apr 20, 2026
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Looks good to me. Thank you for the fix.
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Note: This is a backport of #25548 to
6.3.Description
When an event definition is deleted, the Events Overview widget on the search page would throw errors and show error toast notifications if the event definition column was displayed. This change gracefully handles missing event definitions by falling back to displaying the raw event definition ID — matching the existing behavior on the Alerts page.
Motivation and Context
Fixes graylog-plugin-enterprise#13756
When users delete event definitions, existing events still reference the old definition ID. The
EventDefinitionNamecomponent would attempt to fetch the deleted definition, get a 404, and thedefaultOnErrorwrapper would display an error toast for every affected row. Additionally, the component returnednullfor the cell content whendisplayAsLinkwas true, leaving empty cells.Changes
EventDefinitionName.tsx: When the event definition fetch fails or returns no data, render the event definition ID as plain text instead of returningnulluseEventDefinition.tsx(incomponents/events/events/hooks/): RemoveddefaultOnErrorwrapper to prevent error toast notifications on expected 404s; exposedisErrorfrom the queryEventDetails.test.tsx: Updated mocks to include the newisErrorfieldTypes of changes