Zabbix Agent for AIX active check got empty response
From log:
10354836:20170928:085654.479 __zbx_zbx_setproctitle() title:'active checks #1 [getting list of active checks]'
10354836:20170928:085654.479 In refresh_active_checks() host:'10.20.223.228' port:10051
10354836:20170928:085654.481 sending [

{"request":"active checks","host":"HADR_TEST2"}

]
10354836:20170928:085654.481 before read
10354836:20170928:085654.482 got [

{"response":"success","data":[]}

]
10354836:20170928:085654.482 In parse_list_of_checks()
10354836:20170928:085654.482 End of parse_list_of_checks():SUCCEED
10354836:20170928:085654.482 End of refresh_active_checks():SUCCEED