pbacsko edited a comment on pull request #385:
URL:
https://github.com/apache/incubator-yunikorn-core/pull/385#issuecomment-1074984960
> @pbacsko could this be an issue with the changes from YUNIKORN-638:
>
> > ```
> > 2022-03-21T14:29:51.304Z ERROR cache/placeholder_manager.go:88 failed
to create placeholder pod {"error": "Pod
\"tg-spark-driver12324538-spark-a8949f51c61541909b1428-0\" is invalid:
spec.containers[0].image: Required value"}
> >
github.com/apache/incubator-yunikorn-k8shim/pkg/cache.(*PlaceholderManager).createAppPlaceholders
> >
/home/ted/Desktop/younikon/998/incubator-yunikorn-k8shim/pkg/cache/placeholder_manager.go:88
> > ```
Yeah, but I'm not sure how. Is it coming from a running YK instance? Or an
e2e test, unit test?
It's interesting because when we parse the flags, we use default values in
the code, which is the usual "k8s.gcr.io/pause". Perhaps somehow an empty value
was passed to the cmd line switch, like `--placeholderImage=` and
`$PLACEHOLDER_IMAGE}` is undefined. That can possibly happen if YK was not
deployed with helm.
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