【ORA-02049】超时分布式事务处理等待锁 解决方法

(1)以sys用户登录数据库查询死锁:sql

SQL> select username,lockwait,status,machine,program from v$session where sid in
     (select session_id from v$locked_object);数据库

 

(2)而后使用一下语句查找被死锁的语句session

SQL> select sql_text from v$sql where hash_value in
    (select sql_hash_value from v$session where sid in (select session_id from v$locked_object));进程

 

(3)再使用如下语句查找被死锁的进程hash

SQL> SELECT s.username,l.OBJECT_ID,l.SESSION_ID,s.SERIAL#, l.ORACLE_USERNAME,it

     l.OS_USER_NAME,l.PROCESS FROM V$LOCKED_OBJECT l,V$SESSION Sio

     WHERE l.SESSION_ID=S.SID;object

 

(4)使用一下语句把死锁的进程killselect

SQL>alter system kill session ‘sid,serial#’; (其中sid=l.session_id)数据

如:SQL> alter system kill session '24,37522';

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