An error occurred while importing DataPump to the ORA-39125.

Import: Release 10.2.0.4.0-64bit production on Thursday, 04 August 1, 2010 2:52:24

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;;;
Connect to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0-64bit Production
With the partitioning, OLAP, data mining and real application testing options
Start "XXXX". "xxxx11": xxxx/******** directory = dump_dir logfile = xxx. Log job_name = XXXX schemas = XXXX network_link = dblinkxxx
Using the blocks Method for estimation...
Processing object type schema_export/table/table_data
ORA-39125: an unexpected fatal error occurred to worker in KUPW $ worker. get_table_data_objects (when dbms_metadata.fetch_xml_clob [] was called)
ORA-02041: client database did not begin a transaction
ORA-06512: In "SYS. dbms_sys_error", line 95
ORA-06512: In "SYS. KUPW $ worker", line 6307
----- PL/SQL call stack -----
Object line Object
Handle number name
00000008cda44a20 15032 package body SYS. KUPW $ worker
00000008cda44a20 6372 package body SYS. KUPW $ worker
00000008cda44a20 9206 package body SYS. KUPW $ worker
00000008cda44a20 3949 package body SYS. KUPW $ worker
00000008cda44a20 7000 package body SYS. KUPW $ worker
00000008cda44a20 1314 package body SYS. KUPW $ worker
00000007bf9148c8 2 anonymous Block
Job "XXXX". "xxxx11" stopped at 02:52:28 due to a fatal error
ORA-39014: one or more worker processes have exited prematurely. ---

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It has been verified to be a bug. Bug no:Bug 6751966

Patch required: p6751966_10204_generic.zip