Shulou(Shulou.com)06/01 Report--

It is usually caused by the hanging of the watch

-query whether there are any suspended tables

SELECT object_name, machine, s.sid, s.serial# FROM gv$locked_object l, dba_objects o, gv$session s WHERE l.object_id = o.object_id AND l.session_id = s.sid

-Kill suspended watch id

ALTER system kill session '501 5234'

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