If you require logging during your IJob executions, use the default ServiceStack logging
ILog log = LogManager.GetLogger(GetType());
log.Debug("Debug Event Log Entry.");
log.Warn("Warning Event Log Entry.");
[22:40:48 INF] Quartz scheduler 'QuartzScheduler' initialized
[22:40:48 INF] Quartz scheduler version: 3.0.0.0
[22:40:48 INF] JobFactory set to: ServiceStack.Quartz.Funq.FunqJobFactory
[22:40:48 INF] Scheduler QuartzScheduler_$_NON_CLUSTERED started.
[22:40:49 DBG] Hosting environment: Production
Content root path: C:\dev\ServiceStack.Quartz\src\demo\ServiceStackQuartz.NetCore
Now listening on: http://localhost:5000
Now listening on: https://localhost:5001
Application started. Press Ctrl+C to shut down.
Created new Job ServiceStack.Quartz.NetCore.Quartz.Jobs:HelloJob_dreamy_franklin of ServiceStack.Quartz.NetCore.Quartz.Jobs.HelloJob
[22:40:49 DBG] Batch acquisition of 1 triggers
[22:40:49 DBG] Calling Execute on job ServiceStack.Quartz.NetCore.Quartz.Jobs.HelloJob_dreamy_franklin
Note! Quartz.Net v3.x and above uses LibLog for it's own internal logging. This will be picked up automatically by most common logging libraries and should appear in the ServiceStack logs by default.