Errors, Connecting to Oracle
- From: kevin@xxxxxxxxxxxxxxxxxxx (Llc)
- Date: Thu, 29 Jun 2006 12:44:49 -0500 (CDT)
Hi List.
I've installed Oracle on my linux box (SuSE 10) and I've installed
DBD::Oracle.
I can run sqlplus as the oracle user however when I try and connect via
DBD::Oracle in a perl script I always get errors as follows:
connect string =
my $dbh = DBI->connect("dbi:Oracle:ORCL", 'oracle', 'oracle' );
error =
DBI connect('ORCL','oracle',...) failed: ORA-12541: TNS:no listener (DBD
ERROR: OCIServerAttach) at ora1.pl line 7
Connection Failed...
connect string =
my $dbh = DBI->connect("dbi:Oracle:HOST=linux.site;SID=ORCL;PORT=1522",
'oracle', 'oracle' );
error =
DBI connect('HOST=linux.site;SID=ORCL;PORT=1522','oracle',...) failed:
ORA-12541: TNS:no listener (DBD ERROR: OCIServerAttach) at ora1.pl line 7
Connection Failed...
Maybe I have the connect string wrong?
Below is a listing of my code, and my tnsnames.ora:
Thanks in advance for your help.
############ code listing ################ #!/usr/bin/perl
use DBI;
print "Started\n";
my $dbh = DBI->connect("dbi:Oracle:HOST=linux.site;SID=ORCL;PORT=1522",
'oracle', 'oracle' );
if ($dbh) {
print "Connected...\n";
}
else {
print "Connection Failed...\n";
exit;
}
my $qry = $dbh->prepare("select count(*) from dba_tables");
$qry->execute();
my @data = $qry->fetchrow_array();
print "[$data[0]] [$data[1]] [$data[2]]\n";
exit;
######### tnsnames.ora listing #####################
# Generated by Oracle configuration tools.
LISTENER_ORCL =
(ADDRESS = (PROTOCOL = TCP)(HOST = linux.site)(PORT = 1522))
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = linux.site)(PORT = 1522))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC2))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)
.
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