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

Running the import as SYSDBA rather than a standard user with DATAPUMP_IMP_FULL_DATABASE privileges can lead to unexpected behavior.

The ORA-39126 error in KUPW$WORKER.PREPARE_DATA_IMP [71] indicates an internal Data Pump failure during import, often caused by corrupted Data Pump catalogs, PDB/CDB mismatches, or issues within the temporary tablespace. Resolving the issue typically involves validating the Data Pump catalog, ensuring the temporary tablespace is valid, or using the EXCLUDE=STATISTICS parameter. For a detailed troubleshooting guide, refer to Oracle Communities Running the import as SYSDBA rather than a

Prevention is better than cure. Implement the following strategies to minimize the risk of encountering this error in Data Pump jobs: ensuring the temporary tablespace is valid

Once the likely cause is identified, several strategies can be employed: several strategies can be employed: