EXP-00008 ORA-01157 & ORA-01110 During Export (Doc ID 445090.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 9.2.0.1.0
This problem can occur on any platform.

Symptoms

The error below appears during performing export

About to export the entire database ...
. exporting tablespace definitions
EXP-00008: ORACLE error 1157 encountered
ORA-01157: cannot identify/lock data file 202 - see DBWR trace file
ORA-01110: data file 202: '/tmp/d04/RETL00/temp_02.dbf'
EXP-00000: Export terminated unsuccessfully

Cause

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