ORA-27492: unable to run job "APEX_200200"."ORACLE_APEX_MAIL_QUEUE": scheduler unavailable

-


1) 

BEGIN

 apex_mail.send(p_to   => 'abc@gmail.com'/*l_to_addr*/,        
                      p_from => 'def@gmail.com'/*l_from_addr*/,
                 p_subj => 'Test33344',
                 p_body => 'Service Request Note:- This is a system generated Email. Please DO NOT REPLY to it.');

APEX_MAIL.PUSH_QUEUE;

END;


Lets assume you are getting ORA-27492 Unable to run job "APEX_200200" ORACLE_APEX_MAIL_QUEUE scheduler unavailable error then perform following two line code


1) Login as sys/ dba without container 

2)  alter system set job_queue_processes = 100;

3) connect now sys/<>@container as sysdba

4) Perfrom 

begin

APEX_MAIL.PUSH_QUEUE;

end;


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