impdp ... TABLES=SCOTT.DATA_TABLE LOGTIME=ALL TRACE=128000
impdp system/password DIRECTORY=dpump_dir DUMPFILE=full.dmp FULL=Y EXCLUDE=SCHEMA:"IN ('SYSTEM','SYSMAN','SYS','AUDSYS','GSMADMIN_INTERNAL')" Use code with caution. Step 2: Validate Data Pump Components
The error can stem from a variety of issues. Based on community experience and Oracle documentation, the most common triggers include:
: Inconsistent metadata in the database dictionary often causes the internal KUPW$WORKER package to fail. Based on community experience and Oracle documentation, the
Search for trace files (*.trc) generated at the exact time of the crash. Look for the "Internal error" that preceded the ORA-39126.
Attempting to import system-related schemas (such as SYSTEM , SYSMAN , or SYS ) during a user data import can cause severe conflicts in the dictionary data. The import process fails when PREPARE_DATA_IMP cannot reconcile these system objects. 3. Oracle Bug in DBMS_METADATA
: Migration from Oracle 12c to 19c. impdp fails with: Attempting to import system-related schemas (such as SYSTEM
This error indicates that an internal worker process in the Data Pump Import utility encountered an unhandled exception during the data preparation phase. The number [71] specifically points to an error when dealing with data, often related to discrepancies between source and target environments, data corruption within the dumpfile, or Oracle bugs. What Causes ORA-39126 in PREPARE_DATA_IMP?
"Almost there," Arthur whispered, watching the terminal scroll with satisfying speed. Rows were being processed, indexes were building. He reached for his cold coffee, ready to celebrate a smooth deployment.
Run utlrp.sql on both the source (before export) and the target database to ensure all objects are valid. Use code with caution.
exec dbms_stats.gather_dictionary_stats; exec dbms_stats.gather_fixed_objects_stats; Use code with caution. Copied to clipboard 3. Targeted Exclusion
Ensure the database has a functioning default temporary tablespace with datafiles attached. tablespace_name dba_temp_files; Use code with caution. Copied to clipboard Exclude Statistics during Import: