2018年1月份第一次巡检中，某地市oracle数据库告警ORA-20011&KUP-11024&ORA-29913，

相关处理如下：

操作系统版本：rhel 2.6.39-400.17.1.el6uek.x86_64

操作系统内核：rhel 2.6.39-400.17.1.el6uek.x86_64

数据库版本：oracle 11.2.0.4

问题描述：数据库对数据泵作业残余外部表收集统计信息报错：ORA-20011&KUP-11024&ORA-29913

告警日志报错信息如下：

09/01/2018 22:00:10 DBMS_STATS: GATHER_STATS_JOB encountered errors. Check the trace file.

ORA-20011: Approximate NDV failed: ORA-29913: error in executing ODCIEXTTABLEOPEN callout

Tue Jan 09 22:00:10 2018

KUP-11024: This external table can only be accessed from within a Data Pump job.

Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_j003_333.trc

查看告警日志提示的trc跟踪文件orcl_j003_333.trc

Trace file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_j003_333.trc

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1

System name: Linux

Node name: cis.db

Release: 2.6.39-400.17.1.el6uek.x86_64

Version: #1 SMP Fri Feb 22 18:16:18 PST 2013

Machine: x86_64

Instance name: orcl

Redo thread mounted by this instance: 1

Oracle process number: 57

Unix process pid: 333, image: oracle@cis.db (J003)

*** 2018-01-09 22:00:10.612

*** SESSION ID:(634.22947) 2018-01-09 22:00:10.612

*** CLIENT ID:() 2018-01-09 22:00:10.612

*** SERVICE NAME:(SYS$USERS) 2018-01-09 22:00:10.612

*** MODULE NAME:(DBMS_SCHEDULER) 2018-01-09 22:00:10.612

*** ACTION NAME:(ORA$AT_OS_OPT_SY_152) 2018-01-09 22:00:10.612

ORA-20011: Approximate NDV failed: ORA-29913: error in executing ODCIEXTTABLEOPEN callout

KUP-11024: This external table can only be accessed from within a Data Pump job.

*** 2018-01-09 22:00:10.612

DBMS_STATS: GATHER_STATS_JOB: GATHER_TABLE_STATS('"EXPDP"','"ET$01B7017F0001"','""', ...)

DBMS_STATS: ORA-20011: Approximate NDV failed: ORA-29913: error in executing ODCIEXTTABLEOPEN callout

KUP-11024: This external table can only be accessed from within a Data Pump job.

*** 2018-01-09 22:00:10.656

DBMS_STATS: GATHER_STATS_JOB: GATHER_TABLE_STATS('"EXPDP"','"ET$01C303530001"','""', ...)

DBMS_STATS: ORA-20011: Approximate NDV failed: ORA-29913: error in executing ODCIEXTTABLEOPEN callout

KUP-11024: This external table can only be accessed from within a Data Pump job.

*** 2018-01-09 22:00:10.686

DBMS_STATS: GATHER_STATS_JOB: GATHER_TABLE_STATS('"EXPDP"','"ET$01982C090001"','""', ...)

DBMS_STATS: ORA-20011: Approximate NDV failed: ORA-29913: error in executing ODCIEXTTABLEOPEN callout

KUP-11024: This external table can only be accessed from within a Data Pump job.

*** 2018-01-09 22:00:10.711

DBMS_STATS: GATHER_STATS_JOB: GATHER_TABLE_STATS('"EXPDP"','"ET$01D400370001"','""', ...)

DBMS_STATS: ORA-20011: Approximate NDV failed: ORA-29913: error in executing ODCIEXTTABLEOPEN callout

KUP-11024: This external table can only be accessed from within a Data Pump job.

*** 2018-01-09 22:00:10.735

DBMS_STATS: GATHER_STATS_JOB: GATHER_TABLE_STATS('"EXPDP"','"ET$01D3186F0001"','""', ...)

DBMS_STATS: ORA-20011: Approximate NDV failed: ORA-29913: error in executing ODCIEXTTABLEOPEN callout