k8s unexpectedadmissionerror

Kubernetes (k8s) UnexpectedAdmissionError is an error that occurs during the Kubernetes API server admission control process. Admission control is a mechanism that validates and mutates the Kubernetes objects sent to the API server.

The UnexpectedAdmissionError error occurs when the admission control process returns an unexpected response. This can happen due to various reasons, such as incorrect configuration of admission controllers, bugs in admission controllers, or conflicts between admission controllers.

To troubleshoot this error, you can try the following steps:

1. Check the Kubernetes API server logs for more information about the error.

2. Check the configuration of admission controllers in the Kubernetes API server configuration file.

3. Disable admission controllers one by one to isolate the problematic one.

4. Update the admission controller configuration or the admission controller itself if there are known issues.

5. If the issue persists, consider opening a bug report with the Kubernetes community.

It's important to note that this error can have different root causes, so the above steps may not always resolve the issue.