Jobs Cannot Be Scheduled in Sandbox After Refresh - Getting Error: The Apex job named "JOBNAME" is already scheduled for execution.
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Known Issues · Fixed

Jobs Cannot Be Scheduled in Sandbox After Refresh - Getting Error: The Apex job named "JOBNAME" is already scheduled for execution.

Apex , Sandbox , Winter 18

Last updated 2017-10-14 ·Reference W-3852346 ·Reported By 52 users

Fixed - Winter '18

Summary
Jobs Cannot Be Scheduled in Sandbox After Refresh - Getting Error: The Apex job named "JOBNAME" is already scheduled for execution.
Setup - Monitor - Jobs - Scheduled Jobs shows no jobs scheduled.
Reason: The job name is stored in CronJobDetail. The Scheduled Apex Cron Job Detail records are still being copied to sandbox copies.

Repro
In a newly refreshed sandbox, make sure there is no scheduled apex job by going to Setup - Monitor - Jobs - Scheduled Jobs

Then execute following command in the Execute Anonymous area:
Scheduler.get('JOBNAME').runDaily(0);

Error: The Apex job named "JOBNAME" is already scheduled for execution.

Workaround
Until that bug is fixed, this can be solved in any of the following ways:

1) Call Support each time this occurs to have Support run the scrutinies

2) Delete/abort the Scheduled Apex job before doing the sandbox copy, and then restart it after the sandbox copy is completed. That will work because when a Scheduled Apex job is deleted, we also delete its CronJobDetail record. There are two ways to do this:
> Setup => Monitor => Jobs => Scheduled Jobs; find the job; click on the "Del" link for the job
> System.abortJob()

3) Use a unique job name. For example, add a datetime string to the end of the job name so that it is always unique

Reported By (52)

Rebecca Shanks Ron Glass Brian Armstrong Michael Smith Tony White Karim Jalil Brian Cross Nagaraj, (ARM) Cheelad Aiden Martin Mark McCauley Thomas Peng Martin Seehase Daniel Gruszka Srinivasa Yeduru Jim DeSando Yogesh Khatri Forrest Cook Brian Zurita Justin Clarke Anil Ingle Shawn Wallis Matt Comer Sharad Mittal Admin AC 3 Support 1 Joshua Stuber Marc Marcet Andrew Chapello Andrew Chapello Product Team Rachel McLane Charket Admin Melanie Miller André Thériault Bruno-Pascal Roy-Dumas Francis Mireault Jonathan Miller Cedric Desrochers Marc-Antoine Veilleux Alexander Beiglman Jean-François Cadrin-Girard Hasnain Yusufali Matt Holloway Guru Karur Manoonmani Gopalakrishnan Satishkumar Ramasamy Steven Hugo David Miller Leila Stabbe Abraham Harb Alan Morey David Speck Develop Team

Is it Fixed?

AP0 AP3 AP4 AP5 AP6 AP7 AP8 AP9 AP10 AP11 AP12 AP13 AP14 AP15 AP16 AP17 AP18 AP19 AP20 AP21 AP22 AP28 CS1 CS2 CS3 CS4 CS5 CS6 CS7 CS8 CS9 CS10 CS109 CS108 CS107 CS106 CS105 CS102 CS101 CS100 CS115 CS119 CS110 CS117 CS114 CS113 CS112 CS111 CS11 CS116 CS12 CS122 CS121 CS126 CS127 CS129 CS128 CS125 CS124 CS123 CS137 CS138 CS13 CS133 CS132 CS14 CS148 CS142 CS15 CS152 CS151 CS165 CS16 CS169 CS17 CS18 CS194 CS19 CS198 CS196 CS195 CS20 CS21 CS22 CS23 CS24 CS25 CS26 CS27 CS28 CS29 CS30 CS31 CS32 CS33 CS34 CS35 CS36 CS37 CS40 CS41 CS42 CS43 CS44 CS45 CS47 CS50 CS51 CS52 CS53 CS54 CS57 CS58 CS59 CS60 CS61 CS62 CS63 CS64 CS65 CS66 CS67 CS68 CS69 CS70 CS71 CS72 CS73 CS74 CS75 CS76 CS77 CS78 CS79 CS80 CS81 CS82 CS83 CS84 CS85 CS86 CS87 CS88 CS89 CS90 CS91 CS92 CS93 CS94 CS95 CS96 CS97 CS98 CS99 EU7 EU8 EU10 EU12 EU13 EU14 EU15 EU16 EU17 EU18 EU19 EU25 EU26 EU27 EU28 EU29 EU30 EU31 EU32 NA104 NA107 NA109 NA100 NA101 NA103 NA102 NA105 NA119 NA116 NA110 NA118 NA112 NA111 NA115 NA114 NA113 NA117 NA125 NA124 NA122 NA120 NA126 NA127 NA123 NA129 NA121 NA128 NA138 NA134 NA133 NA136 NA135 NA132 NA131 NA130 NA137 NA139 NA140 NA142 NA141 NA146 NA147 NA148 NA154 NA155 NA172 NA174 NA171 NA173 NA196 NA21 NA46 NA47 NA49 NA52 NA54 NA57 NA58 NA59 NA61 NA62 NA64 NA65 NA66 NA67 NA68 NA69 NA70 NA71 NA72 NA73 NA74 NA75 NA76 NA77 NA79 NA80 NA81 NA82 NA83 NA84 NA85 NA86 NA87 NA88 NA89 NA90 NA91 NA92 NA93 NA94 NA95 NA96 NA97 NA98 NA99 UM1 UM2 UM3 UM4 UM5 UM6 UM7

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