My Oracle Support Banner

IMPDP Over Network Link Fails With ORA-01466 In A Streams Environment (Doc ID 1621735.1)

Last updated on MAY 18, 2021

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
NOTE: In the images and/or the document content below, the user information and data used represents fictitious data. Any similarity to actual persons, living or dead, is purely coincidental and not intended in any manner.


In a Streams environment, impdp (with network_link) is used to load the data from source site to downstream site. In source site something with the machine clock was changed to 1yr ahead, but after resetting it back (day later), while reinstalling Streams and running the impdp it fails with :

Import: Release - Production on Thu Nov 7 20:29:28 2013

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
FLASHBACK automatically enabled to preserve database integrity.
Starting "SYSTEM"."SYS_IMPORT_TABLE_01":  SYSTEM/******** directory=export_dumps tables=<OWNER>.<TABLE_NAME> NETWORK_LINK=<LINK_NAME> TABLE_EXISTS_ACTION=replace logfile=imp_network_replace.log
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 550 MB
Processing object type TABLE_EXPORT/TABLE/TABLE
ORA-31693: Table data object "<OWNER>"."<TABLE_NAME>" failed to load/unload and is being skipped due to error:
ORA-01466: unable to read data - table definition has changed
ORA-02063: preceding line from <LINK_NAME>
Job "SYSTEM"."SYS_IMPORT_TABLE_01" completed with 1 error(s) at 20:29:46





To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.