Cause: The table object is locked out in the Oracle 11g Database.
Resolution: Killing the request serial# is the resolution to this issue and unlocking the Oracle Database table.
Find the locked object from the Oracle Database using the following query ,
select * from DBA_OBJECTS where OBJECT_NAME='TABLE_NAME'
Get the Object ID from this table
select * from V$LOCKED OBJECT where OBJECT_ID='OBJECT_ID_HERE';
From the above query get the SESSION_ID and run the following query to find the serial # for this session,
Now run the following query to kill the Session, the syntax is as below,
ALTER SYSTEM KILL SESSION 'SID,SERIAL#';
Easy Solution:
Alternatively run the following query to find the SID and SERIAL # for the particular database object as seen in screenshot below,
SELECT OBJ.OBJECT_ID,OBJ.OBJECT_NAME, VSES.SID, VSES.SERIAL#
FROM V$LOCKED_OBJECT VLOCK,
V$SESSION VSES,
DBA_OBJECTS OBJ
WHERE
VLOCK.SESSION_ID = VSES.SID
AND VLOCK.OBJECT_ID = OBJ.OBJECT_ID
AND OBJ.OBJECT_NAME ='Your_Object/Table_Name_Here'
Now use the below query to kill session,
ALTER SYSTEM KILL SESSION 'SID,SERIAL#';