Below is a demonstration of how to submit a Flink job to a session cluster via Flink WebUI.
You can download the Flink job jar file from here, with the file name flink-examples-streaming_2.12-1.17.1-WordCount.
http://flink-session-cluster-ingress.yourdomain.com)Submit New Job -> Add New, select the jar file downloaded in the previous step, and submit the Flink job to the session cluster.Later, you can see the Flink job running in the Flink WebUI.