Namespace Router Shard gets error unable to find namespaces for router: User "system:openshift-router" cannot list all namespaces in the cluster

Solution In Progress - Updated -

Issue

  • When I configured Router Shards, the routing doesn't work.
  • I checked router logs and found following message.
# oc logs router-2-8uuql
...
 E0116 09:55:49.535424       1 controller.go:75] unable to find namespaces for router: User "system:openshift-router" cannot list all namespaces in the cluster
  • I got this error one of my cluster, but other clusters didn't. Why other clusters doesn't get it.

Environment

  • OpenShift Container Platform
    • 3.x

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