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Export From Oracle11g Database And Import Into Oracle9i Database Fails With Core Dump (Doc ID 1154215.1)

Last updated on FEBRUARY 23, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


When trying to complete an export/import from Oracle11g database to Oracle9i database, for example, during a downgrade, there have been reports that the import process fails to complete.

The behavior reported several times is that the import process will just terminate and no completion messages are generated to neither the import.log file or to the screen.

At times a core file is also generated.

Following is an example of what the screen output may show when exporting from the Oracle11g:




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