VPA Operator / kube-state-metrics error - got nil while resolving path    

Yes    

[1] Installed VerticalPodAutoscaler Operator `v4.16.0-202507081835` provided by Red Hat in our OpenShift Cluster `v4.16.43`.   

[2] Configured some VPA Resources, for example
~~~
apiVersion: autoscaling.k8s.io/v1
kind: VerticalPodAutoscaler
metadata:
  name: abwicklungsort-vpa
  namespace: t41-sl
spec:
  targetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: abwicklungsort
  updatePolicy:
    updateMode: 'Off'
status:
  conditions:
    - lastTransitionTime: '2025-07-21T14:15:11Z'
      status: 'True'
      type: RecommendationProvided
  recommendation:
    containerRecommendations:
      - containerName: abwicklungsort
        lowerBound:
          cpu: 25m
          memory: '671472660'
        target:
          cpu: 25m
          memory: '764046746'
        uncappedTarget:
          cpu: 25m
          memory: '764046746'
        upperBound:
          cpu: 25m
          memory: '853387169'
~~~

[3] Check the `kube-state-metric` logs, there are lot of errors regarding minAllowed and maxAllowed parameters. According to the VPA CRD, those minAllowed and maxAllowed are optional.

    

- Seeing errors in the prometheus logs in openshift-monitoring and PrometheusDuplicateTimestamps alerts are triggering. 
~~~ 
ts=2025-07-30T08:23:10.365Z caller=scrape.go:1738 level=warn component="scrape manager" scrape_pool=serviceMonitor/openshift-monitoring/kube-state-metrics/0 target=https://100.75.4.x:8443/metrics msg="Error on ingesting samples with different value but same timestamp" num_dropped=3360   
~~~ 

Alert should not get trigger

apiVersion: autoscaling.k8s.io/v1
kind: VerticalPodAutoscaler
metadata:
  name: abwicklungsort-vpa
  namespace: t41-sl
spec:
  targetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: abwicklungsort
  updatePolicy:
    updateMode: 'Off'
status:
  conditions:
    - lastTransitionTime: '2025-07-21T14:15:11Z'
      status: 'True'
      type: RecommendationProvided
  recommendation:
    containerRecommendations:
      - containerName: abwicklungsort
        lowerBound:
          cpu: 25m
          memory: '671472660'
        target:
          cpu: 25m
          memory: '764046746'
        uncappedTarget:
          cpu: 25m
          memory: '764046746'
        upperBound:
          cpu: 25m
          memory: '853387169'

E0730 06:30:55.062178 1 registry_factory.go:685] "kube_customresource_verticalpodautoscaler_spec_resourcepolicy_container_policies_minallowed_cpu" err="[spec,resourcePolicy,containerPolicies]: got nil while resolving path"
E0730 06:30:55.062223 1 registry_factory.go:685] "kube_customresource_verticalpodautoscaler_spec_resourcepolicy_container_policies_minallowed_memory" err="[spec,resourcePolicy,containerPolicies]: got nil while resolving path"
E0730 06:30:55.062243 1 registry_factory.go:685] "kube_customresource_verticalpodautoscaler_spec_resourcepolicy_container_policies_maxallowed_cpu" err="[spec,resourcePolicy,containerPolicies]: got nil while resolving path"
E0730 06:30:55.062260 1 registry_factory.go:685] "kube_customresource_verticalpodautoscaler_spec_resourcepolicy_container_policies_maxallowed_memory" err="[spec,resourcePolicy,containerPolicies]: got nil while resolving path"
E0730 06:30:55.062270 1 registry_factory.go:685] "kube_customresource_verticalpodautoscaler_spec_resourcepolicy_container_policies_minallowed_cpu" err="[spec,resourcePolicy,containerPolicies]: got nil while resolving path"
E0730 06:30:55.062319 1 registry_factory.go:685] "kube_customresource_verticalpodautoscaler_spec_resourcepolicy_container_policies_minallowed_memory" err="[spec,resourcePolicy,containerPolicies]: got nil while resolving path"

ts=2025-07-30T08:23:10.365Z caller=scrape.go:1738 level=warn component="scrape manager" scrape_pool=serviceMonitor/openshift-monitoring/kube-state-metrics/0 target= https://100.75.4.x:8443/metrics msg="Error on ingesting samples with different value but same timestamp" num_dropped=3360