impdp导入数据无权限ORA-39213错误

Oracle@linux:~gt; impdp tbs/tbs directory=dmpdir dumpfile=20110810.dmp Import: Release 11.2.0.1.0 - Production on Sat D

Oracle@linux:~> impdp tbs/tbs directory=dmpdir dumpfile=20110810.dmp

Import: Release 11.2.0.1.0 - Production on Sat Dec 31 11:36:18 2011

Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-39006: internal error
ORA-39213: Metadata processing is not available

oracle@linux:~> oerr ora 39213
39213, 00000, "Metadata processing is not available"
// *Cause: The Data Pump could not use the Metadata API. Typically,
// this is caused by the XSL stylesheets not being set up properly.
// *Action: Connect AS SYSDBA and execute dbms_metadata_util.load_stylesheets
// to reload the stylesheets.
oracle@linux:~> sqlplus /nolog

SQL*Plus: Release 11.2.0.1.0 Production on Sat Dec 31 11:39:51 2011

Copyright (c) 1982, 2009, Oracle. All rights reserved.

SQL> conn / as sysdba
Connected.
SQL> exec dbms_metadata_util.load_stylesheets

PL/SQL procedure successfully completed.

ok....