It is somthing in you connection string or you do not have the TNS_ADMIN env 
car set 

 

TNS_ADMIN should point to your TNSNAMES.ORA file

 

 
> Subject: Having a problem conneting to an Oracle 11gr2 RAC
> Date: Thu, 29 Apr 2010 15:03:18 -0500
> From: scott.stric...@ngc.com
> To: dbi-users@perl.org
> 
> Don't know if anyone has worked with the Oracle RAC environment and
> perl.
> 
> Using sqlplus, I can do the following
> 
> C:\>sqlplus ais_dbo/passw...@edc-dbserver/HCSMDA
> 
> SQL*Plus: Release 10.2.0.1.0 - Production on Thu Apr 29 11:55:35 2010
> 
> Copyright (c) 1982, 2005, Oracle. All rights reserved.
> 
> Connected to:
> Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit
> Production
> With the Partitioning, Real Application Clusters, Automatic Storage
> Management, OLAP,
> Data Mining and Real Application Testing options
> 
> And then execute queries, updates ...
> 
> From ActiveState perl running on a windows 2003 server box with
> DBD-Oracle 1.21 and DBI 1.609
> 
> C:\>perl -v
> 
> This is perl, v5.8.9 built for MSWin32-x86-multi-thread (with 9
> registered patches, see perl -V for more detail)
> 
> Copyright 1987-2008, Larry Wall
> 
> Binary build 825 [288577] provided by ActiveState
> http://www.ActiveState.com
> Built Dec 14 2008 21:07:41
> 
> Perl code follows
> 
> #!/usr/bin/perl -I .
> require 5.001;
> use strict;
> use DBI;
> 
> MAIN:
> {
> print "Started\n";
> 
> my $dbh = DBI->connect("dbi:Oracle:host=edc-dbserver;sid=HCSMDA",
> "ais_dbo","PASSWORD", 
> {RaiseError=>1, PrintError=>0});
> my $sqlstmt = "SELECT COUNT(*) FROM VESSEL_IDENTIFIERS";
> my($no_of_ships) = $dbh->selectrow_array($sqlstmt); 
> print "Got $no_of_ships ships\n"
> }
> 
> Executing the above, I get 
> 
> Started
> DBI connect('host=edc-dbserver;sid=HCSMDA','ais_dbo',...) failed:
> ORA-12505: TNS:listener does not currently know of SID given in connect
> descriptor (DBD ERROR: OCIServerAttach) at C:\adbtest.pl line 15
> 
> I've got a standalone oracle database (11gr1) pointed to by host alias
> dbserver. If I use dbserver above instead of edc-dbserver, the script
> works fine.
> 
> Also, tnsping gives the following
> 
> C:\>tnsping edc-dbserver
> 
> TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on
> 29-APR-2010 12:57:46
> 
> Copyright (c) 1997, 2005, Oracle. All rights reserved.
> 
> Used parameter files:
> C:\oracle\product\10.2.0\client_1\network\admin\sqlnet.ora
> 
> Used HOSTNAME adapter to resolve the alias
> Attempting to contact
> (DESCRIPTION=(CONNECT_DATA=(SERVICE_NAME=edc-dbserver.nais.org))(ADDRESS
> =(PROTOCOL=TCP)(HOST=10.166.135.110)(PORT=1521))(ADDRESS=(PROTOCOL=TCP)(
> HOST=10.166.135.112)(PORT=1521)))
> OK (0 msec)
> 
> Any help would be greatly appreciated.
> 
> E. Scott Stricker
> Senior Software Engineer
> Northrop Grumman - Information Systems - C2SD 
> MailStop 4S02
> 2340 Dulles Corner Blvd.
> Herndon, VA 20171
> 703-561-3671
> 703-713-1601 (fax) 
> 
> 
                                          
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