oracle expdp作業(yè)外表報(bào)錯(cuò)ORA-20011&KUP-11024&ORA-29913該怎么辦

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oracle數(shù)據(jù)庫(kù)告警ORA-20011&KUP-11024&ORA-29913，
相關(guān)處理如下：

操作系統(tǒng)版本：rhel 2.6.39-400.17.1.el6uek.x86_64 
set pagesize 2000 
col owner form a30 
col created form a25 
col last_ddl_time form a25 
col object_name form a30 
col object_type form a25 
SQL> select OWNER,OBJECT_NAME,OBJECT_TYPE, status, 
2 to_char(CREATED,'dd-mon-yyyy hh34:mi:ss') created, 
3 to_char(LAST_DDL_TIME, 'dd-mon-yyyy hh34:mi:ss') last_ddl_time 
4 from dba_objects 
5 where object_name like 'ET$%'; 
OWNER OBJECT_NAME OBJECT_TYPE STATUS CREATED LAST_DDL_TIME 
------------------------------ ------------------------------ ------------------------- ------- ------------------------- ------------------------- 
EXPDP ET$01D400370001 TABLE VALID 09-oct-2015 23:11:41 09-oct-2015 23:11:41 
EXPDP ET$01D3186F0001 TABLE VALID 18-dec-2015 02:20:04 18-dec-2015 02:20:04 
EXPDP ET$01C303530001 TABLE VALID 15-mar-2015 00:45:46 15-mar-2015 00:45:46 
EXPDP ET$01B7017F0001 TABLE VALID 15-mar-2015 00:42:03 15-mar-2015 00:42:03 
EXPDP ET$01982C090001 TABLE VALID 08-oct-2015 23:51:06 08-oct-2015 23:51:06 
EXPDP ET$00251AEF0001 TABLE VALID 29-dec-2015 00:50:20 29-dec-2015 00:50:20 

6 rows selected. 
SQL> select owner, TABLE_NAME, DEFAULT_DIRECTORY_NAME, ACCESS_TYPE 
from dba_external_tables 
order by 1,2; 
OWNER TABLE_NAME DEFAULT_DIRECTORY_NAME ACCESS_ 
------------------------------ ------------------------------ ------------------------------ ------- 
EXPDP ET$00251AEF0001 EXPDATA CLOB 
EXPDP ET$01982C090001 EXPDATA CLOB 
EXPDP ET$01B7017F0001 EXPDATA CLOB 
EXPDP ET$01C303530001 EXPDATA CLOB 
EXPDP ET$01D3186F0001 EXPDATA CLOB 
EXPDP ET$01D400370001 EXPDATA CLOB 
SYS ALERT_LOG_VIEW BDUMP CLOB 

--查詢(xún)外部表，報(bào)的錯(cuò)誤和alert日志一樣 
SQL> select count(*) from EXPDP.ET$00251AEF0001; 
select count(*) from EXPDP.ET$00251AEF0001 
* 
ERROR at line 1: 
ORA-29913: error in executing ODCIEXTTABLEOPEN callout 
KUP-11024: This external table can only be accessed from within a Data Pump job. 
SQL> 

--查看外部表定義 
SQL> desc ET$00251AEF0001 
ERROR: 
ORA-04043: object ET$00251AEF0001 does not exist 

3、清理DataPump jobs。 
SQL> select 'drop table '||owner||'.'||object_name||' purge ;' from dba_objects where object_name like 'ET$%'; 
'DROPTABLE'||OWNER||'.'||OBJECT_NAME||'PURGE;' 
---------------------------------------------------- 
drop table EXPDP.ET$01D400370001 purge ; 
drop table EXPDP.ET$01D3186F0001 purge ; 
drop table EXPDP.ET$01C303530001 purge ; 
drop table EXPDP.ET$01B7017F0001 purge ; 
drop table EXPDP.ET$01982C090001 purge ; 
drop table EXPDP.ET$00251AEF0001 purge ; 

6 rows selected. 

SQL> drop table EXPDP.ET$01D400370001 purge ; 
drop table EXPDP.ET$01D3186F0001 purge ; 
drop table EXPDP.ET$01C303530001 purge ; 
drop table EXPDP.ET$01B7017F0001 purge ; 
drop table EXPDP.ET$01982C090001 purge ; 
drop table EXPDP.ET$00251AEF0001 purge ; 
Table dropped. 

SQL> 
Table dropped. 

SQL> 
Table dropped. 

SQL> 
Table dropped. 

SQL> 
Table dropped. 

SQL> 

Table dropped.

      由以上信息可知，數(shù)據(jù)泵的外部表產(chǎn)生的時(shí)間分別是2015年3月份和10月份，經(jīng)溝通得知該地市數(shù)據(jù)庫(kù)服務(wù)
器發(fā)生過(guò)重裝和機(jī)房搬遷：

猜測(cè)：可能當(dāng)時(shí)數(shù)據(jù)庫(kù)重裝和機(jī)房搬遷，數(shù)據(jù)庫(kù)使用過(guò)數(shù)據(jù)泵備份而數(shù)據(jù)泵作業(yè)沒(méi)有成功退出，導(dǎo)致數(shù)據(jù)泵
作業(yè)外部表殘留，影響到數(shù)據(jù)庫(kù)統(tǒng)計(jì)信息收集，處理方法就是刪除數(shù)據(jù)泵作業(yè)殘留外部表。個(gè)人覺(jué)得比較奇
怪的是數(shù)據(jù)泵作業(yè)外部表實(shí)體已經(jīng)不存在，DDL定義已經(jīng)不存在，但是外部表明卻存在，應(yīng)該是數(shù)據(jù)庫(kù)字典
信息錯(cuò)誤。

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