5장. Debugging Serverless applications

Procedure

• Open the command output on the client where you deploy and manage your application. The following example is an error that you might see after a failed oc apply command:

  Error from server (InternalError): error when applying patch:
  {"metadata":{"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"serving.knative.dev/v1\",\"kind\":\"Route\",\"metadata\":{\"annotations\":{},\"name\":\"route-example\",\"namespace\":\"default\"},\"spec\":{\"traffic\":[{\"configurationName\":\"configuration-example\",\"percent\":50}]}}\n"}},"spec":{"traffic":[{"configurationName":"configuration-example","percent":50}]}}
  to:
  &{0xc421d98240 0xc421e77490 default route-example STDIN 0xc421db0488 264682 false}
  for: "STDIN": Internal error occurred: admission webhook "webhook.knative.dev" denied the request: mutation failed: The route must have traffic percent sum equal to 100.
  ERROR: Non-zero return code '1' from command: Process exited with status 1

  This output indicates that you must configure the route traffic percent to be equal to 100.