ORACLE 11.2.0.3 生成awr html文件报SYS.DBMS_WORKLOAD_REPOSITORY异常

在想分析数据库性能的关键时刻,突然发现awr不能正常的工作,那就和你上了战场突然发现枪没有子弹一样的郁闷,今天就遇到了11.2.0.3在win的环境中awr生成html不能正常工作.通过查询mos发现该问题出现在各种平台中(win,linux,aix等),提醒大家注意该问题.
数据库版本

SQL> SELECT * FROM V$VERSION;

BANNER
-------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - Production
PL/SQL Release 11.2.0.3.0 - Production
CORE    11.2.0.3.0      Production
TNS for 32-bit Windows: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production

awr报错(html)

SQL> @?/rdbms/admin/awrrpt.sql
ORA-06502: PL/SQL: 数字或值错误 :  字符串缓冲区太小
ORA-06512: 在 "SYS.DBMS_WORKLOAD_REPOSITORY", line 919
ORA-06512: 在 line 1

设置errorstack

SQL> alter session set events '6502 trace name errorstack level 12';

会话已更改。

分析错误

----- Error Stack Dump -----
ORA-06502: PL/SQL: 数字或值错误 :  字符串缓冲区太小
----- Current SQL Statement for this session (sql_id=572fbaj0fdw2b) -----
select output from table(dbms_workload_repository.awr_report_html( :dbid,
                                                            :inst_num,
                                                            :bid, :eid,
                                                            :rpt_options ))


----- PL/SQL Call Stack -----
  object      line  object
  handle    number  name
94348684       919  package body SYS.DBMS_WORKLOAD_REPOSITORY
983BAD54         1  anonymous block
----- Call Stack Trace -----
_skdstdst()+121      CALLrel  _kgdsdst()           19D99520 2
_ksedst1()+93        CALLrel  _skdstdst()          19D99520 0 1 485816 4863B2
                                                   485816
_ksedst()+49         CALLrel  _ksedst1()           0 1
_dbkedDefDump()+368  CALLrel  _ksedst()            0
6                                                  
_ksedmp()+44         CALLrel  _dbkedDefDump()      C 0
_dbkdaKsdActDriver(  CALLreg  00000000             C
)+4209                                             
…………

通过查询mos发现Bug 13575143一致,可以确定是该bug,但是通过进一步测试证明不光是awrrpt会出现该错误,awr的相关报告中,只要是展示html结果的都有可能出现类此错误(比如awrrpti.sql/awrddrpt.sql/awrddrpi.sql等等).同时这里通过进一步分析发现其实该bug的起源是Bug 6458801(REPLACE on a CLOB can corrupt multibyte data ID 6458801.8),不过该bug说明已经在11.2.0.1中修复,其实通过这里的分析发现并没有真正的在11.2.0.3中修复该bug,针对该问题没有官方没有提供较好解决方法,只能是用过WORKAROUND来临时解决

They are able to generate the AWR report in the .txt format  

重建DBMS_STATS包

数据库版本

SQL> select * from v$version;

BANNER
-------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - Production
PL/SQL Release 11.2.0.3.0 - Production
CORE    11.2.0.3.0      Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production

执行DBMS_STATS报错

SQL> exec dbms_stats.GATHER_TABLE_STATS('CHF','T_XIFENFEI');
 
begin sys.dbms_stats.GATHER_TABLE_STATS('CHF','T_XIFENFEI');; end;
 
ORA-04063: package body "SYS.DBMS_STATS" 有错误
ORA-06508: PL/SQL: 无法找到正在调用 : "SYS.DBMS_STATS" 的程序单元
ORA-06512: 在 line 2

重建DBMS_STATS包

SQL> drop package DBMS_STATS;

Package dropped.

SQL> @?/rdbms/admin/dbmsstat.sql

Package created.

No errors.

Synonym created.


Grant succeeded.

create role gather_system_statistics
            *
ERROR at line 1:
ORA-01921: role name 'GATHER_SYSTEM_STATISTICS' conflicts with another user or
role name



Grant succeeded.


Grant succeeded.


Library created.

SQL> @?/rdbms/admin/prvtstas.plb

Package created.

No errors.
SQL> @?/rdbms/admin/prvtstai.plb

Package body created.

No errors.
SQL> @?/rdbms/admin/prvtstat.plb

Package body created.

No errors.

重新执行DBMS_STATS

SQL> exec dbms_stats.GATHER_TABLE_STATS('CHF','T_XIFENFEI');

PL/SQL procedure successfully completed.

补充说明
1.建议数据库在restricted模式下执行重建DBMS_STATS相关脚本
2.对于11g以前版本,具体参考1310365.1

SQL> @?/rdbms/admin/dbmsstat.sql
SQL> @?/rdbms/admin/prvtstas.plb
SQL> @?/rdbms/admin/prvtstat.plb