Unable to start service using systemctl in RHEL 8

Issue

• Unable to start service using systemctl. This same service with same configuration works fine in RHEL 7 but do not work in RHEL 8.

  Oct 05 18:30:09 example.com systemd[1]: Starting CLJ...
  Oct 05 18:30:09 example.com systemd[1027127]: clj.service: Failed to 
  execute command: Permission denied
  Oct 05 18:30:09 example.com systemd[1027127]: clj.service: Failed at 
  step EXEC spawning /path/test.sh: Permission denied
  Oct 05 18:30:09 example.com systemd[1]: clj.service: Control process 
  exited, code=exited status=203
  Oct 05 18:30:09 example.com systemd[1]: clj.service: Failed with result 
  'exit-code'.
  Oct 05 18:30:09 example.com systemd[1]: Failed to start CLJ.