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使用expdp导出数据时，报错如下：

Export:Release11.2.0.4.0-ProductiononFriJun118:18:572018Copyright(c)1982,2011,Oracleand/oritsaffiliates.Allrightsreserved.Connectedto:OracleDatabase11gEnterpriseEditionRelease11.2.0.4.0-64bitProductionWiththePartitioning,OLAP,DataMiningandRealApplicationTestingoptionsORA-31626:jobdoesnotexistORA-31637:cannotcreatejobSYS_EXPORT_SCHEMA_01foruserCEMORA-06512:at"SYS.DBMS_SYS_ERROR",line95ORA-06512:at"SYS.KUPV$FT",line1587ORA-39062:errorcreatingmasterprocessDM00ORA-31613:MasterprocessDM00failedduringstartup.

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Someobjectsinvalidcauseexportfailure,customerneedtovalidatethesecomponentsandSYSobjects.Thefollowingarecollectinginformations:SQL>selectcomp_name,status,version2fromdba_registry;COMP_NAMESTATUSVERSION------------------------------------------------------------------------------------------------------------------------OracleTextVALID11.2.0.2.0OracleWorkspaceManagerVALID11.2.0.2.0OracleDatabaseCatalogViewsINVALID11.2.0.2.0<<<<<<<<<<<<<<<<<<<<<<<<<<OracleDatabasePackagesandTypesINVALID11.2.0.2.0<<<<<<<<<<<<<<<<<<<<<<<<<<OracleRealApplicationClustersVALID11.2.0.2.0SQL>selectowner,object_name,object_type,status2fromdba_objects3wherestatus<>'VALID';OWNEROBJECT_NAMEOBJECT_TYPESTATUS------------------------------------------------------------------------------------------------------------SYSDBMS_METADATAPACKAGEBODYINVALID<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<SYSDBMS_METADATA_INTPACKAGEBODYINVALID<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<SYSDBMS_METADATA_UTILPACKAGEBODYINVALID<<<<<<<<<<<<<<解决方案：

pleaseperformthefollowingscriptsduringsystemidletimetorecompileinvalidobjects.Note:beforerunningthescript,takefullbackupandvalidatethebackups.SQL>connect/sysdbaSQL>spoolcatalog.logSQL>@?/rdbms/admin/catalogSQL>spooloffSQL>spoolcatproc.logSQL>@?/rdbms/admin/catprocSQL>spooloffSQL>spoolutlrp.logSQL>@?/rdbms/admin/utlrpSQL>spooloffWhenyoufinished,performthefollowingSQLtocheckforinvalidobjects.SQL>selectowner,object_name,object_type,statusfromdba_objectswherestatus='INVALID';

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