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  1. Red Hat Advanced Cluster Management
  2. ACM-25315

Clusterinstances can not be created by the siteconfig operator due to the admission webhook though

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    • GH Train-33
    • Critical
    • None

      Description of problem:

      Clusterinstances can not be created by the siteconfig operator due to the admission webhook though

      2025-10-20T21:21:01Z	ERROR	Reconciler error	{"controller": "clusterinstance", "controllerGroup": "siteconfig.open-cluster-management.io", "controllerKind": "ClusterInstance", "ClusterInstance": {"name":"vm00014","namespace":"vm00014"}, "namespace": "vm00014", "name": "vm00014", "reconcileID": "f8670aa8-743a-493a-96a0-ed4156fc1ee4", "error": "failed to create object: admission webhook \"global-hub.open-cluster-management.io\" denied the request: failed to get managedcluster vm00014, err: ManagedCluster.cluster.open-cluster-management.io \"vm00014\" not found", "errorCauses": [{"error": "failed to create object: admission webhook \"global-hub.open-cluster-management.io\" denied the request: failed to get managedcluster vm00014, err: ManagedCluster.cluster.open-cluster-management.io \"vm00014\" not found"}]}
      sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller[...]).reconcileHandler
      	/opt/app-root/src/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:316
      sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller[...]).processNextWorkItem
      	/opt/app-root/src/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:263
      sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller[...]).Start.func2.2
      	/opt/app-root/src/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:224 

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      Additional info:

              clyang82 Chunlin Yang
              clyang82 Chunlin Yang
              Yaheng Liu Yaheng Liu
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                Created:
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