[ora@cu072 ~]$ impdp

Import: Release 11.2.0.1.0 - Production on Wed Jun 9 14:43:34 2010

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Username: system
Password:

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Master table "SYSTEM"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SYSTEM"."SYS_IMPORT_FULL_01":  system/********
Processing object type SCHEMA_EXPORT/ROLE_GRANT
ORA-39083: Object type ROLE_GRANT failed to create with error:
ORA-01919: role 'XDBWEBSERVICES' does not exist
Failing sql is:
 GRANT "XDBWEBSERVICES" TO "SYS" WITH ADMIN OPTION

Job "SYSTEM"."SYS_IMPORT_FULL_01" completed with 1 error(s) at 14:43:42

[ora@cu072 ~]$