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18c DBUA fails with Error :ORA-06512: at "SYS.DBMS_PREUP" ,ORA-29284: file read error ,when it invokes preupgrade script. (Doc ID 2600109.1)

Last updated on OCTOBER 15, 2019

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


DBUA upgrade to 18c fails, when it runs preupgrade script  : 

trace.log_<timestamp>.txt shows:

SEVERE: Oct 12, 2019 3:25:09 AM oracle.assistants.dbua.prereq.PreUpgradeDriverJob call
SEVERE: ERROR - Unable to run the preupgrade due to:ERROR - Unable to run preupgrade due to:
ORA-06512: at "SYS.UTL_FILE", line 106
ORA-06512: at "SYS.UTL_FILE", line 746
ORA-06512: at "SYS.DBMS_PREUP", line 3264
ORA-06512: at "SYS.DBMS_PREUP", line 9736
ORA-06512: at line 8

ERROR at line 1:
ORA-29284: file read error
ORA-06512: at line 56




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