Data Pump remains one of the most powerful tools in the Oracle DBA’s arsenal. With patience and the right diagnostic approach, even a "fatal error" becomes a solvable puzzle.
impdp ... TABLES=SCOTT.DATA_TABLE LOGTIME=ALL TRACE=128000 If the problem relates to storage or segments:
SELECT object_name, status FROM user_datapump_jobs; SELECT * FROM user_load_objects WHERE job_name = 'YOUR_JOB_NAME'; Look for the last successfully processed object before the failure. Often, the real error is hidden. Query the Data Pump job’s log file or use:
ORA-39126: Worker unexpected fatal error in KUPW-WORKER.PREPARE-DATA-IMP [71] ORA-06550: line 1, column 7: PLS-00201: identifier 'SDO_UTIL.GETNUMELEM' must be declared : The target database lacked Oracle Spatial license or had MDSYS schema invalid objects.
impdp ... ACCESS_METHOD=SEQUENTIAL_FILE If the import succeeds, the issue lies in direct path’s handling of your data. Identify the table that fails (e.g., SCOTT.DATA_TABLE ) and exclude it:
In this article, we will dissect this error, explain the role of the KUPW-WORKER and the PREPARE-DATA-IMP phase, explore the most common causes (including the often-seen "71" sub-code), and provide actionable step-by-step solutions. What is ORA-39126? The full error message usually appears as:
