[Solved] You created a CronJob but notice it never runs. Which YAML mistake could cause this? — Ans: Missing schedule field in the CronJob spec. | Kubernetes

Kubernetes - Scheduling

You created a CronJob but notice it never runs. Which YAML mistake could cause this?

AMissing <code>schedule</code> field in the CronJob spec.

BUsing <code>restartPolicy: Always</code> in the Job template.

CSetting <code>image</code> to a valid container image.

DDefining <code>command</code> as an array.

Step-by-Step Solution

Solution:

Step 1: Check required CronJob fields
The schedule field is mandatory to tell when to run the job.
Step 2: Identify impact of missing schedule
Without schedule, the CronJob controller cannot trigger jobs, so none run.
Final Answer:
Missing schedule field prevents CronJob from running. -> Option A
Quick Check:
CronJob needs schedule to run [OK]

Quick Trick: CronJob must have schedule field to run [OK]

Common Mistakes:

Master "Scheduling" in Kubernetes

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You created a CronJob but notice it never runs. Which YAML mistake could cause this?