ORA-24756: transaction does not exist问题解决

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今天在服务器看 alert 日志发现报错如下：
—————————————————- >>
Fri May 16 02:55:05 2016
Errors in file /u01/app/Oracle/diag/rdbms/bus/bus/trace/bus_reco_2590.trc:
ORA-24756: transaction does not exist
Errors in file /u01/app/oracle/diag/rdbms/bus/bus/trace/bus_reco_2590.trc:
ORA-24756: transaction does not exist
Errors in file /u01/app/oracle/diag/rdbms/bus/bus/trace/bus_reco_2590.trc:
ORA-24756: transaction does not exist
Errors in file /u01/app/oracle/diag/rdbms/bus/bus/trace/bus_reco_2590.trc:
ORA-24756: transaction does not exist
Errors in file /u01/app/oracle/diag/rdbms/bus/bus/trace/bus_reco_2590.trc:
ORA-24756: transaction does not exist
Errors in file /u01/app/oracle/diag/rdbms/bus/bus/trace/bus_reco_2590.trc:
ORA-24756: transaction does not exist

查看具体 trace 文件 /u01/app/oracle/diag/rdbms/bus/bus/trace/bus_reco_2590.trc 内容如下:
——————————————————>>
*** 2016-05-15 20:31:15.492
*** SESSION ID:(576.1) 2016-05-15 20:31:15.492
*** CLIENT ID:() 2016-05-15 20:31:15.492
*** SERVICE NAME:(SYS$BACKGROUND) 2016-05-15 20:31:15.492
*** MODULE NAME:() 2016-05-15 20:31:15.492
*** ACTION NAME:() 2016-05-15 20:31:15.492

*** TRACE FILE RECREATED AFTER BEING REMOVED ***

*** 2016-05-15 20:31:15.491
ERROR, tran=12.3.3589, ose=0:
ORA-24756: transaction does not exist

*** 2016-05-15 20:31:15.492
ERROR, tran=12.3.3589, ose=0:
ORA-24756: transaction does not exist

*** 2016-05-15 20:31:15.492
ERROR, tran=12.3.3589, session#=1, ose=0:
ORA-24756: transaction does not exist

*** 2016-05-15 20:31:15.492
ERROR, tran=12.3.3589, ose=0:
ORA-24756: transaction does not exist

*** 2016-05-15 20:31:15.492
ERROR, tran=12.3.3589, ose=0:
ORA-24756: transaction does not exist
————————>>
ORA-01422: 实际返回的行数超出请求的行数, 这种问题可能与应用有关系，由于早上事情比较多，没有去查询具体原因，只参考如下资料解决了下, 因为我们部分操作是用的分布式交易 [通过 dblink]：
——————————————–>>
Symptoms:

alert log:
ORA-24756: transaction does not exist

select local_tran_id,state from dba_2pc_pending;

36.26.310445 collecting

Cause:

If the remote database no longer exists then the transaction will have to be
purged from the list of pending distributed transactions.

Solution:

1,
SQL> commit force ‘36.26.310445’; — session is hanged

ORA-24756: transaction does not exist 问题解决

2,
SQL> exec DBMS_TRANSACTION.PURGE_LOST_DB_ENTRY(‘36.26.310445’);
BEGIN DBMS_TRANSACTION.PURGE_LOST_DB_ENTRY(‘36.26.310445’); END;

*
ERROR at line 1:
ORA-30019: Illegal rollback Segment operation in Automatic Undo mode
ORA-06512: at “SYS.DBMS_TRANSACTION”, line 65
ORA-06512: at “SYS.DBMS_TRANSACTION”, line 85
ORA-06512: at line 1
—>> 说明：然后运用 SecureCRT 以 sysdba 身份执行上述命令，成功，然后通过 oracle 级别和 linux 级别 kill 了步骤一中 hang 住的会话，过了一会儿通过 EM 查看 database 顶级活动，那 session 已经不在了，alert 日志中也不报类似 ORA-24756: transaction does not exist 的错误了。

ORA-24756: transaction does not exist 问题解决

3,
SQL> commit;
SQL> alter session set “_smu_debug_mode” = 4;
SQL> commit;
SQL> execute DBMS_TRANSACTION.PURGE_LOST_DB_ENTRY(‘local_tran_id’);
SQL> commit;

Relation Metalink doc:
Doc 401302.1
Doc 126069.1
Doc 100664.1
Doc 274321.1

——————————>> 至此，结束，引起问题的原因没去追究，只是去针对问题解决问题，没有联系应用多层次去处理，有待改善，后续有时间会明确补上。

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