Tekton trigger EventListener cannot resolve interceptor URL

Solution Verified - Updated -

Issue

  • EventListener does not start build when receiving git event
  • EventListener pod shows the following error: could not resolve interceptor URL: url resolution failed for interceptor with: clusterinterceptor.triggers.tekton.dev \"\" not found
  • tekton-triggers-controller pod has error: admission webhook \"webhook.triggers.tekton.dev\" denied the request: mutation failed: cannot decode incoming old object: json: unknown field \"cel\"

Environment

  • Red Hat OpenShift Container Platform 4.4+
  • OpenShift Pipelines Operator 1.6+

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