oratop in v 12.2.1.3.0 is not working

oratop in v 12.2.1.3.0 is not working

When oratop run it just prints out diagnostic info and nothing else to screen other than...

Oratop successfully tested.

ohome /u01/app/oracle/product/12.2/db_1

ouser oracle

osid orcl12c

db_running 1

running_local 1

oversion 12.2.0.1.0

Output shown as follows:

[root@localhost bin]# /u01/app/oracle/tfa/bin/tfactl
tfactl> database orcl12c                                                                                                             
Set db to ORCL12C
ORCL12C tfactl> oratop                                                                                                               
Oratop successfully tested.
ohome /u01/app/oracle/product/12.2/db_1
ouser oracle
osid orcl12c
db_running 1
running_local 1
oversion 12.2.0.1.0

ORCL12C tfactl> print status                                                                                                         

.--------------------------------------------------------------------------------------------------.
| Host      | Status of TFA | PID   | Port  | Version    | Build ID             | Inventory Status |