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使用expdp导出数据时，报错如下：
Export: Release 11.2.0.4.0 - Production on Fri Jun 1 18:18:57 2018 Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options ORA-31626: job does not exist ORA-31637: cannot create job SYS_EXPORT_SCHEMA_01 for user CEM ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95 ORA-06512: at "SYS.KUPV$FT", line 1587 ORA-39062: error creating master process DM00 ORA-31613: Master process DM00 failed during startup.
原因是：
经过查询发现，数据库的两个组件invalid和一些对象失效，具体如下 Some objects invalid cause export failure, customer need to validate these components and SYS objects. The following are collecting informations : SQL> select comp_name, status, version 2 from dba_registry; COMP_NAME STATUS VERSION ---------------------------------------- -------------------- ------------------------------------------------------------ Oracle Text VALID 11.2.0.2.0 Oracle Workspace Manager VALID 11.2.0.2.0 Oracle Database Catalog Views INVALID 11.2.0.2.0 <<<<<<<<<<<<<<<<<<<<<<<<<< Oracle Database Packages and Types INVALID 11.2.0.2.0 <<<<<<<<<<<<<<<<<<<<<<<<<< Oracle Real Application Clusters VALID 11.2.0.2.0 SQL> select owner, object_name, object_type, status 2 from dba_objects 3 where status <> 'VALID'; OWNER OBJECT_NAME OBJECT_TYPE STATUS ------------------ -------------------------------------------------- -------------------- -------------------- SYS DBMS_METADATA PACKAGE BODY INVALID <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< SYS DBMS_METADATA_INT PACKAGE BODY INVALID <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< SYS DBMS_METADATA_UTIL PACKAGE BODY INVALID <<<<<<<<<<<<<<解决方案：
please perform the following scripts during system idle time to recompile invalid objects. Note: before running the script, take full backup and validate the backups. SQL> connect / sysdba SQL> spool catalog.log SQL> @?/rdbms/admin/catalog SQL> spool off SQL> spool catproc.log SQL> @?/rdbms/admin/catproc SQL> spool off SQL> spool utlrp.log SQL> @?/rdbms/admin/utlrp SQL> spool off When you finished, perform the following SQL to check for invalid objects. SQL> select owner,object_name,object_type,status from dba_objects where status = 'INVALID';
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