Though not a major issue. I see that Flink UI and REST api gives flink version as "UNKNOWN" I am using flink 1.7.0, with and running the cluster in JOB mode.
REST endpoint /overview output
{"taskmanagers":1,"slots-total":4,"slots-available":3,"jobs-running":1,"jobs-finished":0,"jobs-cancelled":0,"jobs-failed":0,"*flink-version":"<unknown>*","flink-commit":"49da9f9"}
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