How do I check Job failure reason?

[omega...@gmail.com]

I have a kubernetes Job that has a backOffLimit set as 2, restartPolicy set as Never. However, I've seen situations where some jobs get evicted twice and finally completed and some certain job evicted twice but stay failed. I'm wondering how I can further debug this? From the source code it seems there's a job failureReason being sent out: https://github.com/kubernetes/kubernetes/blob/34759c2dfb2e65e5b15e278dcdb785140b2c8d5f/pkg/controller/job/job_controller.go#L510.

The only relevant output I can see from kubectl describe job is:

Start Time: Sat, 23 Jun 2018 05:33:19 -0700
Pods Statuses: 0 Running / 1 Succeeded / 2 Failed

and

Start Time: Sat, 23 Jun 2018 05:33:20 -0700
Pods Statuses: 0 Running / 0 Succeeded / 2 Failed

with the events field being <none>

Thanks in advance.

[Timo Reimann]

Have you possibly tried "kubectl get job -o yaml" to check if that output shows the failure reason?

[Siyang Yu]

Hi Timo,

Yeah I saw the failure reason as 'BackoffLimitExceeded'. However, I would expect the the pod to be retried another time as the other completed jobs did since I set the backoffLimit as 2. Is there anything could cause this discrepancy?

Thanks

2018-06-24 23:09 GMT-07:00 'Timo Reimann' via Kubernetes user discussion and Q&A <kubernet...@googlegroups.com>:

Have you possibly tried "kubectl get job -o yaml" to check if that output shows the failure reason?

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