watchAnyNamespace flag leads to crash on operator startup.

Describe the bug watchAnyNamespace flag leads to crash on operator startup

To Reproduce Steps to reproduce the behavior: Use helm chart for strimzi version 0.25.0, set watchAnyNamespace: true, install strimzi. No other changes have been made to the default helm chart

Expected behavior The operator to start, and then watch all namespaces for strimzi resources

Environment (please complete the following information):

• Strimzi version: 0.25.0
• Installation method: helm chart
• Kubernetes cluster: Kubernetes 1.20
• Infrastructure: Baremetal, Ubuntu

YAML files and logs

2021-08-25 09:55:56 INFO  ClusterOperator:78 - Creating ClusterOperator for namespace *
2021-08-25 09:55:56 INFO  ClusterOperator:94 - Starting ClusterOperator for namespace *
2021-08-25 09:55:56 WARN  WatcherWebSocketListener:73 - Exec Failure: HTTP 404, Status: 404 - 404 page not found

2021-08-25 09:55:56 WARN  WatcherWebSocketListener:73 - Exec Failure: HTTP 404, Status: 404 - 404 page not found

2021-08-25 09:55:56 WARN  WatcherWebSocketListener:73 - Exec Failure: HTTP 404, Status: 404 - 404 page not found

2021-08-25 09:55:56 WARN  WatcherWebSocketListener:73 - Exec Failure: HTTP 404, Status: 404 - 404 page not found

2021-08-25 09:55:56 WARN  WatcherWebSocketListener:73 - Exec Failure: HTTP 404, Status: 404 - 404 page not found

2021-08-25 09:55:56 WARN  WatcherWebSocketListener:73 - Exec Failure: HTTP 404, Status: 404 - 404 page not found

2021-08-25 09:55:56 WARN  WatcherWebSocketListener:73 - Exec Failure: HTTP 404, Status: 404 - 404 page not found

2021-08-25 09:55:56 ERROR Main:153 - Cluster Operator verticle in namespace * failed to start
io.fabric8.kubernetes.client.KubernetesClientException: 404 page not found

Hopefully I am missing something simple here, if any more information is needed please advise.

[scholzj]

Yeah, I know some tools do not delete the CRDs when uninstalling the operator. I know OperatorHub.io does this, Helm might as well. So that might have caused this.

[pavankumar-go]

@scholzj Thank you for the quick reply. Understood