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Data Pump Export/Import terminate due to ORA-31672. ORA-07445 [kuxgetHashCode] reported in alert log. (Doc ID 951402.1)

Last updated on JANUARY 29, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.
This problem can occur on any platform.


  • Data Pump Export/Import terminate with errors:

ORA-39014: One or more workers have prematurely exited.
ORA-39029: worker 1 with process name "DW01" prematurely terminated
ORA-31672: Worker proces DW01 died unexpectedly.

  • The alert log confirms the Data Pump Worker process (DWxx) terminated due
    to ORA-07445 [kuxgetHashCode()+83].




Oracle Bundle Patch was applied on Windows platform. Since then the issue occured.


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