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Quartz.NET-3.22.5.zip 2026-10-13 52.5 MB
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One fix for the 3.x line, ported from Quartz.NET 4.5. There is no public API change and no schema change.

Fixed

  • A calendar replacement that throws leaves the in-memory store as it was. RAMJobStore.StoreCalendar(name, calendar, replaceExisting: true, updateTriggers: true) moved each trigger on the calendar to the replacement one at a time. If the replacement threw for a trigger, three things went wrong:
  • that trigger dropped out of the schedule for good;
  • the triggers before it had already moved on;
  • the replacement calendar was already stored.

Now every trigger is recomputed on a copy first. If one throws, the call fails with JobPersistenceException("Couldn't store calendar: …"), worded and wrapped as the database stores do, and nothing changes: the old calendar stays, and every trigger keeps its fire time and its place in the schedule. The failure is the caller's, so it does not count toward MaxConsecutiveFireFailures. (#4039, the port of [#4029] that fixed [#4026])

The same fix ships in Quartz.NET 4.5.

Full Changelog: https://github.com/quartznet/quartznet/compare/v3.22.4...v3.22.5

Source: README.md, updated 2026-10-08