[DB-SIG] ORA-12705: Cannot access NLS data files or invalid environment specified

Wong Wah Meng-R32813 R32813 at freescale.com
Tue Mar 8 11:16:10 CET 2011

Hello there,

My oracledb module on HP-UX is unable to connect to database when I export environment variable NLS_LANG="SIMPLIFIED CHINESE_CHINA.ZHS16GBK". There is no issue when such environment variable is exported and the SQLPLUS is issued. The DBA determined that this is an application error. Does anyone know this might be related to the some national language library not properly installed on the server? I noticed that there is no $ORACLE_HOME/ocommon folder on my server where Oracle installed is 11g, and I googled that environemnt variable ORA_NLS33 by default is pointing to $ORACLE_HOME/ocommon/nls/admin/data. Or ORA_NLS33 is no longer in use for Oracle 11g?

$ python
Python 1.5.2 (#9, May 23 2000, 14:18:02) [C] on hp-uxB
Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam
>>> import oracledb
>>> a=oracledb.oracledb("gen812ora8/gen812db1ora8 at DB1ORA9")
Traceback (innermost last):
  File "<stdin>", line 1, in ?
OracleDbError: LOGON caused a ORA-12705: Cannot access NLS data files or invalid environment specified

$ uname -a
HP-UX zmy02hp3 B.11.31 U ia64 3240906838 unlimited-user license
$ sqlplus gen812ora8/gen812db1ora8 at DB1ORA9

SQL*Plus: Release - Production on ÅúóÖѱ 3åô 8 12:10:24 2011
Copyright (c) 1982, 2008, Oracle.  All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release - 64bit Production
With the Data Mining option
With the Data Mining option

Wah Meng
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