[FLINK-4824] [client] CliFrontend shows misleading error message#2662

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greghogan:4824_clifrontend_shows_misleading_error_message_when_main_method_returns_before_env_executegreghogan/flink:4824_clifrontend_shows_misleading_error_message_when_main_method_returns_before_env_executeCopy head branch name to clipboard