Tuesday, 17 April 2012

How to Rebuild Workflow Queues




STEP 1: Stop the workflow mailer and Mailer service components in OAM. Make sure the 3 service components are de-activated.

STEP 2: Make a note of the output for the below query:

select     
         message_type,
          mail_status , count(*)
from wf_notifications
where  mail_status <> 'SENT'
and status <> 'CLOSED'
group by message_type, mail_status

Record the notifications with mail_status = ‘MAIL’.

If there are any WFERROR message types then make a note of the following:
Select min(begin_date) from wf_notifications where message_type = ‘WFERROR’ and mail_status = ‘MAIL’;
Select max(begin_date) from wf_notifications where message_type = ‘WFERROR’ and mail_status = ‘MAIL’;

STEP 3: Execute the below script:

Update wf_notifications set status=’CLOSED’, mail_status=’SENT’ where message_type=’ WFERROR’ and mail_status = ‘MAIL’
Commit;
Re-run
select     
         message_type,
          mail_status , count(*)
from wf_notifications
where  mail_status <> 'SENT'
and status <> 'CLOSED'
group by message_type, mail_status

This time there should be no WFERROR.

STEP 4:  Rebuild the queues.
Note: Make sure the notification mailer and service components are de-activated.
Log in on unix as application owner (applmgr) and run the below command:

sqlplus apps/apps @$FND_TOP/patch/115/sql/wfntfqup APPS apps APPLSYS
This may run from 15 to 30 minutes…
After the above command is completed, log back into sqlplus as apps and run:
select     
         message_type,
          mail_status , count(*)
from wf_notifications
where  mail_status <> 'SENT'
and status <> 'CLOSED'
group by message_type, mail_status

select count(*) from wf_notification_out; (It should be 0 at this time)

Log back into OAM :
Activate the service components. This will automatically start the mailers.
From sqlplus:
select count(*) from wf_notification_out; (The count should start increasing)
Now after a gap of 10 minutes:
Re-run
select     
         message_type,
          mail_status , count(*)
from wf_notifications
where  mail_status <> 'SENT'
and status <> 'CLOSED'
group by message_type, mail_status

There will not be any  mail_status = MAIL hence  all the stuck emails should be mailed out by now.

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