Why does Perl's DBI complain about “failed: ERROR OCIEnvNlsCreate” when I try to connect to Oracle 11g?

I am getting the following error connecting to an Oracle 11g database using a simple Perl script:

 failed: ERROR OCIEnvNlsCreate. Check ORACLE_HOME (Linux) env var  or PATH (Windows) and or NLS settings, permissions, etc. at

The script is as follows:

#!/usr/local/bin/perl

use strict;
use DBI;

if ($#ARGV < 3) {
print "Usage: perl testDbAccess.pl dataBaseUser dataBasePassword SID dataBasePort\n";
exit 0;
}
my ($user, $pwd, $sid, $port) = @ARGV;

my $host = `hostname`;
my $dbh;
my $sth;
my $dbname = "dbi:Oracle:HOST=$host;SID=$sid;PORT=$port";

openDbConnection();
closeDbConnection();

sub openDbConnection() {
        $dbh = DBI->connect ($dbname, $user ,$pwd , { RaiseError => 1}) || die "Database connection not made: $DBI::errstr";
}

sub closeDbConnection() {
        #$sth->finish();
        $dbh->disconnect();
}

Anyone seen this problem before?

Check your Oracle client configuration (including, as the message says, ORACLE_HOME), check file permissions, etc. It's unlikely that DBI per se has anything to do with the problem, and I know for a fact that DBD::Oracle is compatible with the 11g libraries (at least the 11g InstantClient).

Shib

Install the perl module DBD::Oracle
Add use DBD::Oracle; into your perl script.

This made the problem go away for me.

Afther upgrade Oracle form 10.2.0.4 to 10.2.0.5 my Perl-CGI not working, the error.log file of Apache was the error:

DBI connect('DB','user',...) failed: ERROR OCIEnvNlsCreate. Check ORACLE_HOME (Linux) env var or PATH (Windows) and or NLS settings, permissions, etc. at ... OCIEnvNlsCreate. Check ORACLE_HOME (Linux) env var or PATH (Windows) and or NLS settings, permissions, etc.! at ...

adding the following directive solve the problem:

my $ORACLE_HOME = "/usw/app/oracle/product/10.2";
$ENV{ORACLE_HOME}=$ORACLE_HOME;

Joakim

Sorry for bringing this thread alive again, but I've been trying to solve this issue for weeks. Nowhere did I find that what finally solved it for me.

Environment: RedHat 6.5, Oracle Instant Client 12.1, Apache 2.2

What solved it for me: Change the permissions of the directory where Oracle Instant Client is installed., which must also be the value of LD_LIBRARY_PATH. The directory wasn't accessible to "other", just owner and group. This command made the whole difference:

# chmod o+rx INSTANTCLIENT-DIRECTORY

I had been trying to create every possible combination of ORACLE_HOME and LD_LIBRARY_PATH. (Even "unsetting" ORACLE_HOME; I found suggestions that would solve the issue, since Instant Client needed only LD_LIBRARY_PATH and !NOT! ORACLE_HOME.) Nothing helped, until ... it hit me to look further in the error message:

    failed: ERROR OCIEnvNlsCreate. Check ORACLE_HOME (Linux) env var
    or PATH (Windows) and or NLS settings, permissions, etc.

permissions being the key word!

Hope this helps someone else!

Check the #!/usr/bin/perl (first line of your script) is the right perl version you wish to use too !

Previous answers don't solve this problem, but they did point me in the right direction: The launched environment was missing the DYLD_LIBRARY_PATH for Oracle instantclient. You can check by calling: launchctl export

launchctl getenv variable_name in OS X 10.10

I compared the output from my .bash_profile and found that the path to instanclient wasn't in launchctl PATH and DYLD_LIBRARY_PATH - Once I added them with the following it worked:

launchctl setenv PATH /path/to/instantclient
launchctl setenv DYLD_LIBRARY_PATH /path/to/instantclient

The environment variable used to specify the Oracle libraries may be different from one system to another. On most systems, use LD_LIBRARY_PATH but it may also be LIBPATH (notably on AIX), DYLD_LIBRARY_PATH, or maybe others.

I too went through the same issue. In my case ORACLE_HOME environment variable was incorrect.

来源：https://stackoverflow.com/questions/2914320/why-does-perls-dbi-complain-about-failed-error-ocienvnlscreate-when-i-try-to

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