EXP-00008错误

执行逻辑导出时报错：
. . exporting table DEF$_AQERROR
EXP-00008: ORACLE error 6510 encountered
ORA-06510: PL/SQL: unhandled user-defined exception
ORA-06512: at "SYS.DBMS_EXPORT_EXTENSION", line 50
ORA-06512: at "SYS.DBMS_EXPORT_EXTENSION", line 126
ORA-06512: at line 1
. . exporting table DEF$_CALLDEST
EXP-00008: ORACLE error 6550 encountered
ORA-06550: line 1, column 18:
PLS-00201: identifier 'SYS.DBMS_DEFER_IMPORT_INTERNAL' must be declared
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored
ORA-06512: at "SYS.DBMS_SYS_SQL", line 1204
ORA-06512: at "SYS.DBMS_SQL", line 323
ORA-06512: at "SYS.DBMS_EXPORT_EXTENSION", line 97
ORA-06512: at "SYS.DBMS_EXPORT_EXTENSION", line 126
ORA-06512: at line 1
经诊断是一Oracle bug引起的，Bug 6510213 ，
解决方法为：
1、打CPU patch CPUOCT2007
2、给相应存储过程赴执行权限
SQL> GRANT EXECUTE ON SYS.DBMS_DEFER_IMPORT_INTERNAL TO <user_name>;

SQL> GRANT EXECUTE ON SYS.DBMS_EXPORT_EXTENSION TO <user_name>;