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ORA-01804 start Oracle

Oracle Tips by Burleson

March 20, 2017

Question: What causes the ORA-01804 error?

When I try to create Oracle 10g database, I get below error.

$ sqlplus /nolog

ERROR:
ORA-01804: failure to initialize timezone information

SP2-0152: ORACLE may not be functioning properly

 

Answer:  First, try connecting as SYSDBA. 

There are several causes for the ORA-01804 error:

- Check to make sure the following paths are set correctly in your environment: 

LD_LIBRARY_PATH 
ORACLE_HOME 
NLS_LANG

- Your oracle client may be missing some timezone dat files in the $ORACLE_HOME directory. You should have a separate ORACLE_HOME for each release of Oracle.

-  Check that the permissions are set to allow reads (chmod 444) for the files in the OCCI library.

==================================================

The oerr utility shows this for the ORA-01804 error:

ORA-01804: failure to initialize timezone information

Cause:  The timezone information file was not properly read.


Action:  Please contact Oracle Customer Support.

The first thing to do is to check if ORA_TZFILE is set and if it is, remove it and restart the database and listener. Oracle will then try to load the $ORACLE_HOME/oracore/zoneinfo/timezlrg.dat file.

If for some reason the file that Oracle wants to use is not available then this is the cause of the problem.

If the file is present then an alternative reason for the error could be that Oracle cannot load the file because of permission problems.

If all above is correct then it might be a .dat file that is corrupt.


   
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