Workflow Notification Mailer start/stop/status check

Steps to start/stop Workflow Notification Mailer
 
Step 1. Check workflow mailer service current status

sqlplus apps/<apps password>
 
select running_processes from fnd_concurrent_queues
where concurrent_queue_name = 'WFMLRSVC';
 
Please Note : Number of running processes should be greater than 0
 
Step 2. Find current mailer status
To check the status of notification mailer, we need to do the following.
 
sqlplus apps/<apps password>
 
select component_status
from fnd_svc_components
where component_id =
(select component_id
from fnd_svc_components
where component_name = 'Workflow Notification Mailer');
Possible values are :
RUNNING
STARTING
STOPPED_ERROR
DEACTIVATED_USER
DEACTIVATED_SYSTEM
 
Step 3. Stop notification mailer
To stop notification mailer , we need to execute the following.
sqlplus apps/<apps password>
 
declare
p_retcode number;
p_errbuf varchar2(100);
m_mailerid fnd_svc_components.component_id%TYPE;
begin
-- Find mailer Id
------------------------------
select component_id into m_mailerid from fnd_svc_components
where component_name = 'Workflow Notification Mailer';
------------------------------
 

-- Stop Mailer
------------------------
fnd_svc_component.stop_component(m_mailerid, p_retcode, p_errbuf);
commit;
end;
/
 

Step 4. Start notification mailer
 

To start notification mailer, we need to execute the following.
sqlplus apps/<apps password>
declare
p_retcode number;
p_errbuf varchar2(100);
m_mailerid fnd_svc_components.component_id%TYPE;
begin
-- Find mailer Id
-----------------
select component_id
into m_mailerid
from fnd_svc_components
where component_name = 'Workflow Notification Mailer';
--------------
-- Start Mailer
-----------------
fnd_svc_component.start_component(m_mailerid, p_retcode, p_errbuf);
commit;
end;
/