Ora-39126 Worker Unexpected Fatal Error In Kupw-worker.prepare-data-imp 71 -

Oracle Data Pump ( impdp ) is a powerful tool, but it is not immune to errors, particularly when dealing with complex schema imports. One of the more intimidating errors is .

Existing invalid objects in the target schema that the import is trying to overwrite. Oracle Data Pump ( impdp ) is a

This article provides a comprehensive guide to understanding, debugging, and resolving this error. 1. What Causes ORA-39126 in PREPARE_DATA_IMP? If the source database contained invalid objects, corrupted

If the source database contained invalid objects, corrupted data dictionary entries, or broken XML schemas, Data Pump will fail when trying to recreate those structures in the target environment. 3. XML Parser and Character Set Anomalies corrupted data dictionary entries

This error, , occurs during an Oracle Data Pump import (using impdp ). It is a generic "catch-all" fatal error indicating that a worker process died unexpectedly while preparing to load data into a table.

Clean up old or failed jobs using SELECT * FROM dba_datapump_jobs .