Re: Workflow Deferred Agent Listener & Workflow Deferred Notification Agent Listener "ERROR"

Posted by ErmanArslansOracleBlog on Mar 10, 2016; 7:04pm
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/Workflow-Deferred-Agent-Listener-Workflow-Deferred-Notification-Agent-Listener-ERROR-tp705p711.html

I think, there is a message in wf_deferred queue , which your can not be handled on your system.
Rebuilkd wf_deferred may work. How To Rebuild The WF_DEFERRED Queue (Doc ID 286394.1)

Also, if you can find that message in wf_deferred queue and get rid of it, then your agent listener will start fine.