--- schema_version: "1" id: 267167865d4e3249805dbe9718b0aedfb8d903c918871b52908fbc7c6b27d0a5 title: Scheduler Service Release Notes - Mule 4 collection: mulesoft version: current locale: ja-jp portal_url: https://docs.salesforce.com/mulesoft/current/ja-jp/release-notes/mule-runtime/service-scheduler-release-notes.md canonical_url: https://docs.mulesoft.com/jp/release-notes/mule-runtime/service-scheduler-release-notes source_site: docs.mulesoft.com content_type: documentation content_hash: f52894e742fbceabc50d8d1fe2615b983843644faaf68fd92389745f21d8e75d description: MuleSoft Documentation Site latest: true --- # Scheduler Service Release Notes - Mule 4 ## [](#1-3-2)1.3.2 **Jun 12, 2020** ### [](#new-features)New Features - None. ### [](#fixed-issues)Fixed Issues - Race condition between scheduler stop and scheduleWithFixedDelay leads to a memory leak. (MULE-18471) ## [](#1-2-6)1.2.6 **Jun 12, 2020** ### [](#new-features-2)New Features - None. ### [](#fixed-issues-2)Fixed Issues - Race condition between scheduler stop and scheduleWithFixedDelay leads to a memory leak. (MULE-18471) ## [](#1-3-1)1.3.1 **Jun 10, 2020** ### [](#new-features-3)New Features - None. ### [](#fixed-issues-3)Fixed Issues - CustomScheduler#destroyThreadGroup is taking more than configured shutdownTimeout. (MULE-18224) ## [](#1-2-5)1.2.5 **Jun 10, 2020** ### [](#new-features-4)New Features - None. ### [](#fixed-issues-4)Fixed Issues - CustomScheduler#destroyThreadGroup is taking more than configured shutdownTimeout. (MULE-18224) ## [](#1-2-2)1.2.2 **May 22, 2019** ### [](#new-features-5)New Features - None. ### [](#fixed-issues-5)Fixed Issues - Race condition in prestartCoreThreads for a Scheduler. (MULE-16858) ## [](#1-1-10)1.1.10 **May 22, 2019** ### [](#new-features-6)New Features - None. ### [](#fixed-issues-6)Fixed Issues - Race condition in prestartCoreThreads for a Scheduler. (MULE-16858) ## [](#1-2-1)1.2.1 **May 20, 2019** ### [](#new-features-and-enhancements)New Features and Enhancements - Allow the properties in scheduler-pools.conf to be configured as system property. (MULE-16788) ### [](#fixed-issues-7)Fixed Issues - Setting low heap memory in multicore machine causes Mule to fail to start. (MULE-16829) - NPE when a customScheduler is shutting down itself. (MULE-16760) - WARN logged when fixed rate task overlap in a single thread. (MULE-16759) ## [](#1-1-9)1.1.9 **May 20, 2019** ### [](#new-features-7)New Features - None. ### [](#fixed-issues-8)Fixed Issues - Setting low heap memory in multicore machine causes Mule to fail to start. (MULE-16829) ## [](#1-2-0)1.2.0 **April 25, 2019** ### [](#new-features-8)New Features - Allow overriding the location of the Scheduler config file via a system property. (MULE-14552) ### [](#fixed-issues-9)Fixed Issues - NPE when a customScheduler is shutting down itself. (MULE-16760) - WARN logged when fixed rate task overlap in a single thread Scheduler. (MULE-16759) - Race condition in ThreadGroup destroying for customScheduler threadGroup. (MULE-16516) - Rejected from scheduler warning has too high frequency in logs. (MULE-15588) - Avoid keeping references to muleContext from a CustomScheduler. (MULE-14907) - Custom Scheduler shutdown from a thread from the same scheduler fails. (MULE-14736) - Cannot destroy thread groups that have commons-pool evictor threads. (MULE-14675) - ThrottlingScheduler active tasks count breaks when tasks are cancelled.. (MULE-14590) - Delayed task is triggered when target Scheduler is busy is lost. (MULE-14577) \*| Scheduler#scheduleAtFixedRate cancels task if triggered while previous is still running. (MULE-14572) - Unclear error with missing parameter in Scheduler configuration. (MULE-14558) - Schedulers don’t indicate which one is exhausted. (MULE-14524) - Add data about dangling threads when a ThreadGroup can’t be destroyed. (MULE-15666) - Add an option to always log the creation location of a Schedule. (MULE-15531) ## [](#1-1-8)1.1.8 **April 25, 2019** ### [](#new-features-9)New Features - None. ### [](#fixed-issues-10)Fixed Issues - NPE when a customScheduler is shutting down itself. (MULE-16760) - WARN logged when fixed rate task overlap in a single thread Scheduler. (MULE-16759) - Race condition in ThreadGroup destroying for customScheduler threadGrou. (MULE-16516) ## [](#1-1-7)1.1.7 **October 9, 2018** ### [](#new-features-10)New Features - None. ### [](#fixed-issues-11)Fixed Issues - Rejected from scheduler warning has too high a frequency in logs. (MULE-15588) - Leaks through hard references to types, classloaders, and Schedulers. (MULE-15716) - Add data about dangling threads when a ThreadGroup can’t be destroyed. (MULE-15666) - Add an option to always log the creation location of a Scheduler. (MULE-15531) ## [](#1-1-6)1.1.6 **July 24, 2018** ### [](#new-features-11)New Features - None. ### [](#fixed-issues-12)Fixed Issues - Scheduler Service: provide a method to determine if current thread is CPU. (MULE-15415) ## [](#1-1-5)1.1.5 **May 9, 2018** ### [](#new-features-12)New Features - None. ### [](#fixed-issues-13)Fixed Issues - Avoid keeping references to muleContext from a CustomScheduler. (MULE-14907) ## [](#1-1-4)1.1.4 **March 16, 2018** ### [](#new-features-13)New Features - None. ### [](#fixed-issues-14)Fixed Issues - Custom scheduler shutdown from a thread from the same Scheduler fails. (MULE-14736) - Minor performance improvements. (MULE-14693) ## [](#1-1-3)1.1.3 **March 7, 2018** ### [](#new-features-14)New Features - None. ### [](#fixed-issues-15)Fixed Issues - Cannot destroy thread groups that have commons-pool evictor threads. (MULE-14675) - Race condition in reactor causes premature thread. (MULE-14665) ## [](#1-1-2)1.1.2 **March 5, 2018** ### [](#new-features-15)New Features - None. ### [](#fixed-issues-16)Fixed Issues - ThrottlingScheduler active tasks count breaks when tasks are cancelled. (MULE-14590) - Delayed task is triggered when target scheduler is busy is lost. (MULE-14577) - Too many ThreadGroup instances leaked after redeploy. (MULE-14658) ## [](#1-1-1)1.1.1 **January 31, 2018** ### [](#new-features-16)New Features - Allow to override the location of the scheduler config file via system property. (MULE-14552) ### [](#fixed-issues-17)Fixed Issues - Scheduler#scheduleAtFixedRate cancels task if triggered while previous is still running. (MULE-14572) - Unclear error with missing parameter in scheduler configuration. (MULE-14558) - Schedulers don’t indicate which one is exhausted. (MULE-14524) - Prevent classloader leak through accesscontext in thread. (MULE-14179) ## [](#1-1-0)1.1.0 **January 30, 2018** Initial Release. ## [](#see-also)See Also - [Known Issues](https://help.salesforce.com/s/issues)