The OpenShift Virtualization tab is missing after operator upgrade.

Solution Verified - Updated -


  • After upgrading OCP from 4.11 to 4.12.29 and upgrading the OpenShift Virtualization operator to version 4.12.6, the Virtualization tab Overview is missing from the main menu occasionally.
  • Accessing the Overview results in following error:
404: Page Not Found
The server doesn't have a resource type "virtualization-overview". Try refreshing the page if it was recently added.
  • Following logs can be observed from the openshift-console pod:
E0927 16:02:01.297795 1 utils.go:41] Failed sending HTTP response body: http: request method or response status code does not allow body
E0927 16:02:01.310218 1 handlers.go:173] GET request for "kubevirt-plugin" plugin failed with 304 status code


  • Openshift Virtualization 4.12

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