How To Identify Sessions Which Cause PL/SQL LOCK TIMER Wait Event

Issue:

How To Identify Sessions Which Cause PL/SQL LOCK TIMER Wait Event

Solution:

SELECT vs.inst_id,vs.osuser,vw.event,vw.p1,vw.p2,vw.p3 ,vt.sql_text , vs.program
FROM gv$session_wait vw, gv$sqltext vt , gv$session vs
WHERE vw.event = 'PL/SQL lock timer'
AND vt.address=vs.sql_address
AND vs.inst_id = vw.inst_id
AND vs.sid = vw.sid;


For more information on identification and resolution steps review the following document:

Note 1672174.1 - Oracle E-Business Suite Performance Guide (Doc ID 1672174.1)

Reference:

How To Identify Sessions Which Cause PL/SQL LOCK TIMER Wait Event (Doc ID 434265.1)