expdp遇到ORA-39126错误

问题描述：
Oracle数据库是11.2.0.4的RAC，在其中一个节点上面进行expdp,报以下错误：Estimate in progress using BLOCKS method...
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.FETCH_XML_OBJECTS []
ORA-00904: : invalid identifierORA-06512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS.KUPW$WORKER", line 9710----- PL/SQL Call Stack -----
object line object
handle number name
0x104ec64fb0 21979 package body SYS.KUPW$WORKER
0x104ec64fb0 9742 package body SYS.KUPW$WORKER
0x104ec64fb0 11838 package body SYS.KUPW$WORKER
0x104ec64fb0 14674 package body SYS.KUPW$WORKER
0x104ec64fb0 2734 package body SYS.KUPW$WORKER
0x104ec64fb0 10422 package body SYS.KUPW$WORKER
0x104ec64fb0 1824 package body SYS.KUPW$WORKER
0x10373876f8 2 anonymous blockEstimate in progress using BLOCKS method...
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.FETCH_XML_OBJECTS []
ORA-00904: : invalid identifierORA-06512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS.KUPW$WORKER", line 9710----- PL/SQL Call Stack -----
object line object
handle number name
0x104ec64fb0 21979 package body SYS.KUPW$WORKER
0x104ec64fb0 9742 package body SYS.KUPW$WORKER
0x104ec64fb0 11838 package body SYS.KUPW$WORKER
0x104ec64fb0 14674 package body SYS.KUPW$WORKER
0x104ec64fb0 2734 package body SYS.KUPW$WORKER
0x104ec64fb0 10422 package body SYS.KUPW$WORKER
0x104ec64fb0 1824 package body SYS.KUPW$WORKER
0x10373876f8 2 anonymous block解决方法：
grant execute on DBMS_METADATA to public;执行之后再次进行导出就没再报错了。----------------------------华丽丽的分割线----------------------------Oracle导入导出expdp IMPDP详解 http://www.linuxidc.com/Linux/2014-04/99932.htmOracle 10g expdp导出报错ORA-4031的解决方法 http://www.linuxidc.com/Linux/2014-04/99842.htmOracle 10gr2 rac expdp 报错UDE-00008 ORA-31626 http://www.linuxidc.com/Linux/2014-03/98984.htmOracle中利用expdp/impdp备份数据库的使用说明 http://www.linuxidc.com/Linux/2014-01/95568.htmOracle备份还原（expdp/impdp） http://www.linuxidc.com/Linux/2014-06/102789.htm更多Oracle相关信息见Oracle 专题页面 http://www.linuxidc.com/topicnews.aspx？tid=12本文永久更新链接地址