How Standard Business Events Work With WF_BPEL_Q?
(Doc ID 549040.1)
Last updated on MARCH 07, 2018
Applies to:Oracle Workflow - Version 126.96.36.199 to 12.1.3 [Release 11.5.10 to 12.1]
Information in this document applies to any platform.
Checked for relevance on 03-AUG-2013
How do standard Business events work with WF_BPEL_Q?
Problem Scenario :
When a standard business event is associated with a BPEL subscription is raised, it goes to WF_DEFERRED queue and then to the WF_ERROR queue with either of the following error messages:
1) "ORA-01403: no data found" .
2) "ORA-24033: no recipients for message
Wf_Event_QH.Enqueue(APPS.WF_BPEL_Q, SQL err is ORA-24033: no recipients for message)
Expected behavior is that the Event should be enqueued in the WF_BPEL_Q for further processing.
Expected Flow: The normal flow involved for Standard Business Events with BPEL is as follows :
a) User from Jdeveloper creates/configures an adapter as a partner link and selects the APPS event to listen
b) These are the background items
1. Create tables for queue named wf_bpel_q
2. Start wf_bpel_q
3. Create and start wf_bpel_qagent listener, which listens on wf_bpel_q.
4. Create subscription for the event for which the partner link was created
c) When the BPEL process is deployed in the BPEL PM, the listener keeps polling the WF_BPEL_Q with whatever frequency was defined.
d) Once the event is raised, it is enqueued into the WF_BPEL_Q and the listener (spawned by BPEL PM) which is listening to this event, would dequeue the item and start the BPEL process.
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