ORA-04021:timeout occurred while waiting to lock object TEST.PRO_TEST

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ORA-04021timeout occurred while waiting to lock object TEST.PRO_TEST

在用sqldev重新编译存储过程时报如上错误。

解决方法:

1.       查看是否有DDL锁:

select session_id sid, owner, name, type,

mode_held held, mode_requested request

from dba_ddl_locks

where name = 'AP_STATB_SETTLE_PUSHMAIL'

2.       查看是否被锁:

select B.SID,b.USERNAME,b.MACHINE,,B.SERIAL#

FROM V$ACCESS A, V$SESSION B

WHERE A.SID=B.SID

and a.OBJECT = '存储过程名字'

and a.TYPE = 'PACKAGE'

3.       查出SESSION对应的spid

select s.username,s.status,s.sid,p,spid

from v$session s,v$process p

where s.paddr=p.addr

and s.sid=xxx

4.       杀掉会话:

alter system kill session ‘sid,serial#’;

   如果session状态为killed,直接登录操作系统,杀掉进程:

                   Kill -9 spid

 

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