Symptom
The http deamon under FXOS , after executing the command "show pmon state", shows as down.
From FTD prospective, the command "pmtool status" shows corresponding process in waiting state ( without http PID )
idhttpsd (system,gui) - Waiting
firepower# connect local-mgmt
...
firepower(local-mgmt)#(local-mgmt)# show pmon state
SERVICE NAME STATE RETRY(MAX) EXITCODE SIGNAL CORE
------------ ----- ---------- -------- ------ ----
svc_sam_controller running 0(4) 0 0 no
smConLogger running 0(4) 0 0 no
svc_sam_dme running 0(4) 0 0 no
svc_sam_dcosAG running 0(4) 0 0 no
svc_sam_bladeAG running 0(4) 0 0 no
svc_sam_portAG running 0(4) 0 0 no
svc_sam_statsAG running 0(4) 0 0 no
svc_sam_hostagentAG running 0(4) 0 0 no
svc_sam_nicAG running 0(4) 0 0 no
svc_sam_licenseAG running 0(4) 0 0 no
svc_sam_extvmmAG running 0(4) 0 0 no
httpd.sh down 0(4) 0 0 no <----------------------------
Further Problem Description
Additionally, you can check with the below command and it should give you the following output:
sudo apachectl
http (pid xxxxx) already running - where 'x' are ID of the process