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Update dependency Quartz.AspNetCore to 3.17.1#1742

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Update dependency Quartz.AspNetCore to 3.17.1#1742
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renovate/quartznet-monorepo

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@renovate renovate bot commented Mar 1, 2026 •
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This PR contains the following updates:

Package Change Age Confidence
Quartz.AspNetCore (source) 3.15.1 → 3.17.1 age confidence

Release Notes

quartznet/quartznet (Quartz.AspNetCore)

v3.17.1

Highlights
Jenkins-style H (hash) token for cron expressions

Quartz.NET now supports the H (hash) token in cron expressions, inspired by Jenkins. The H token resolves to a deterministic value based on the trigger's identity, spreading job execution times to avoid the thundering herd problem when many triggers share the same schedule.

Supported forms: H, H(min-max), H/step, H(min-max)/step

// Runs at a consistent but spread-out minute each hour
trigger = TriggerBuilder.Create()
    .WithIdentity("myTrigger", "myGroup")
    .WithCronSchedule("0 H * * * ?")
    .Build();

// Runs every 15 minutes, starting at a hash-determined offset
trigger = TriggerBuilder.Create()
    .WithIdentity("myTrigger", "myGroup")
    .WithCronSchedule("0 H/15 * * * ?")
    .Build();

The hash seed is automatically derived from the trigger's identity (name + group) when using TriggerBuilder, or can be provided explicitly. See the cron trigger documentation for full details.

Structured logging history plugins

New StructuredLoggingJobHistoryPlugin and StructuredLoggingTriggerHistoryPlugin provide first-class support for structured logging frameworks like Serilog and NLog. Unlike the existing logging plugins that use index-based format placeholders ({0}, {1}), these use named MEL-style message template parameters ({JobName}, {TriggerGroup}, etc.), making log output queryable in structured logging sinks and avoiding template cache memory leaks.

quartz.plugin.jobHistory.type = Quartz.Plugin.History.StructuredLoggingJobHistoryPlugin, Quartz.Plugins
quartz.plugin.triggerHistory.type = Quartz.Plugin.History.StructuredLoggingTriggerHistoryPlugin, Quartz.Plugins

Message templates are fully configurable via standard Quartz property configuration.

Bug Fixes
  • Fix triggers getting permanently stuck in ACQUIRED state — Triggers could become permanently stuck if the scheduler crashed or was killed between acquiring a trigger and firing it. (#​2980)
  • Fix StoreCalendar overriding paused trigger state — Storing a calendar with updateTriggers: true no longer resets paused triggers back to normal state. (#​2968)
  • Fix DoCheckin not retrying transient database errors — Cluster checkin now properly retries on transient database failures instead of silently failing. (#​2970)
  • Fix Dashboard /_blazor endpoint conflict — The Quartz Dashboard no longer conflicts with host applications that also use Blazor. (#​2975)
  • Fix spurious ERROR log on zombie transaction rollback — Rolling back a zombie transaction no longer logs a misleading ERROR. (#​2978)

Full Changelog: quartznet/quartznet@v3.17.0...v3.17.1

v3.17.0

This is a major bug-fix release with 40+ fixes spanning trigger state management, clustering reliability, DST handling, misfire accuracy, and scheduler lifecycle. An optional database schema migration improves misfire handling.

Highlights
Optional database migration: MISFIRE_ORIG_FIRE_TIME column

A new optional column MISFIRE_ORIG_FIRE_TIME on QRTZ_TRIGGERS enables correct ScheduledFireTimeUtc for misfired triggers when using "fire now" misfire policies. Without it, ScheduledFireTimeUtc equals FireTimeUtc for misfired triggers (the pre-existing behavior). RAMJobStore does not require this migration.

Migration script: database/schema_30_add_misfire_orig_fire_time.sql (covers SQL Server, PostgreSQL, MySQL, SQLite, Oracle, Firebird)

Clustering and concurrency fixes
  • Fix DisallowConcurrentExecution jobs running simultaneously in cluster (#​2697)
  • Fix false cluster recovery causing DisallowConcurrentExecution violation (#​2915)
  • Fix triggers stuck in BLOCKED state for DisallowConcurrentExecution jobs (#​2822)
  • Fix FIRED_TRIGGERS not cleaned up on job deletion mid-execution (#​1696)
  • Handle transient database exceptions (deadlocks) with automatic retry (#​2883, #​2952)
  • Fix PostgreSQL transaction abort error on lock contention (#​2884)
  • Fix SQLite "database is locked" errors with dedicated semaphore (#​2323)
  • Add MySQL FORCE INDEX hints for slow trigger acquisition queries (#​547)
Trigger state and fire time accuracy
  • Fix GetTriggerState returning Complete instead of Blocked for executing triggers (#​2255)
  • Fix RAMJobStore.TriggersFired skipping triggers causing wrong trigger/job execution (#​1386)
  • Fix ScheduledFireTimeUtc returning wrong value after misfire (#​2899)
  • Fix PreviousFireTimeUtc reset to null on restart with OverWriteExistingData=true (#​1834)
  • Fix SimpleTrigger first fire time wrong when created long before scheduling (#​2455)
  • Fix CronTrigger double-firing when rescheduled with old StartTimeUtc (#​2909)
  • Fix recovery trigger missing original JobData (#​2083)
  • Fix misfired blocked triggers not being deleted from database (#​1646)
  • Fix DoNothing misfire policy skipping fire times within threshold (#​2912)
DST and time handling
  • Fix DailyTimeIntervalTrigger extra fire during DST fall-back (#​2917)
  • Fix DailyTimeIntervalTrigger mutating StartTimeUtc during fire time computation (#​2906)
  • Fix DailyTimeIntervalTrigger RepeatCount to apply per day (#​1633)
  • Fix scheduler thread stuck after system clock jumps backward (#​1508)
  • Fix ComputeFireTimesBetween modifying trigger StartTimeUtc (#​2722)
Scheduler lifecycle and threading
  • Fix scheduler hang on shutdown: replace Monitor.Wait with async SemaphoreSlim (#​2877)
  • Fix shutdown deadlock (#​2830)
  • Release acquired triggers on shutdown instead of leaking them (#​2881)
  • Fix DedicatedThreadPool threads leaking on scheduler shutdown (#​1357)
  • Use dedicated thread for scheduler loop to prevent missed triggers under high CPU (#​781)
Job execution
  • Fix RefireImmediately with JobChainingJobListener firing chain prematurely (#​663)
  • Fix AsyncLocal flow from IJobFactory.NewJob to IJob.Execute (#​1528)
  • Add IJobDetail property to JobExecutionException (#​1442)
API and configuration
  • Fix idleWaitTime of zero silently ignored instead of throwing (#​1394)
  • Fix AddJob/AddTrigger ambiguous references without removing overloads (#​2795)
  • Fix PauseJobs/ResumeJob interaction bug in RAMJobStore (#​761)
  • Fix RemoteScheduler ignoring local quartz.scheduler.instanceName (#​313)
  • Restore DB trigger fields for custom (blob) triggers (#​2949)
Dashboard
  • Fix dashboard CSS 404 in API-only projects (#​2886)
What's Changed

Full Changelog: quartznet/quartznet@v3.16.1...v3.17.0

v3.16.1: Quartz.NET 3.16.1

This release hopefully fixes the hiccup we had with the versioning/packaging of the new Dashboard package.

What's Changed
  • Add missing packaging and publish for Quartz.Dashboard by @​lahma in #​2853
  • Fix CronTrigger incorrectly scheduling when end date is in the past by @​jafin in #​2856

Full Changelog: quartznet/quartznet@v3.16.0...v3.16.1

v3.16.0: Quartz.NET 3.16.0

On top of great community fixes, this release also brings the experimental Dashboard into action. You can enable it on NET 8 and later, see documentation for details.

What's Changed

  • Add tests for AddJob, AddTrigger, ScheduleJob and AddCalendar by @​bdovaz in #​2794
  • Use NET 10 SDK and update projects to use NET 10 by @​lahma in #​2800
  • Handle ObjectDisposedException when canceling jobs by @​lahma in #​2811
  • Fix trigger ERROR state during shutdown - release acquired triggers gracefully by @​lahma in #​2812
  • fix (CronExpression): Throw Exception for invalid cron expressions by @​jafin in #​2836
  • Convert solution file to slnx format by @​lahma in #​2840
  • Fix XML scheduling plugin to log errors and notify listeners on parsing failures by @​jafin in #​2839
  • Add IdleWaitTime property to SchedulerBuilder (#​2835) by @​lahma in #​2842
  • Fix CronExpression not always returning correct next schedule for weekdayonly and month flags by @​jafin in #​2838
  • fix(CalendarIntervalTriggerImpl): infinite loop bug in CalendarIntervalTriggerImpl by @​jafin in #​2837
  • Fix GetScheduler(name) returning null before default scheduler initialization by @​jafin in #​2845
  • Port DirectoryScanJob listener DI support to 3.x by @​lahma in #​2851
  • Backport Quartz.Dashboard to 3.x (in-process only) by @​lahma in #​2852

Full Changelog: quartznet/quartznet@v3.15.1...v3.16.0

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate bot force-pushed the renovate/quartznet-monorepo branch from 8255ff6 to 22cf21b Compare March 4, 2026 22:11
@renovate renovate bot changed the title Update dependency Quartz.AspNetCore to 3.16.0 Update dependency Quartz.AspNetCore to 3.16.1 Mar 4, 2026
@renovate renovate bot force-pushed the renovate/quartznet-monorepo branch from 22cf21b to eeb6835 Compare March 29, 2026 21:20
@renovate renovate bot changed the title Update dependency Quartz.AspNetCore to 3.16.1 Update dependency Quartz.AspNetCore to 3.17.0 Mar 29, 2026
@renovate renovate bot changed the title Update dependency Quartz.AspNetCore to 3.17.0 Update dependency Quartz.AspNetCore to 3.17.1 Apr 3, 2026
@renovate renovate bot force-pushed the renovate/quartznet-monorepo branch from eeb6835 to 37f2743 Compare April 3, 2026 09:05
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