ORA-04021: timeout occurred while waiting to lock object 解决方法

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ORA-04021: timeout occurred while waiting to lock object 解决方法

某个应用正在锁定该表或者包

表为

select b.SID,b.SERIAL#,c.SQL_TEXT

from v$locked_object a, v$session b, v$sqlarea c

where a.SESSION_ID = b.SID

and b.SQL_ADDRESS = c.ADDRESS

and c.sql_text like ‘%table_name%’;

包为

select B.SID,b.USERNAME,b.MACHINE FROM V$ACCESS A, V$SESSION B WHERE A.SID=B.SID and a.OBJECT = ‘%PACKAGE_name%’ and a.TYPE = ‘PACKAGE’;

找出这个 session

然后 kill

alter system kill session ‘sid,serial#’;

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