Networking And Gateways :: ORA-12154 - Could Not Resolve Connect Identifier Specified

Dec 26, 2008

I have oracle 10g and Developer suite installed locally in my system and I have edited my TNSNAMES.ora file and added a entry for VISLINUX(for both Developer suite and oracle DB TNSNAMES.ora files).

When I use TNSPING comand I get an error for the schemas APPDEV and VISLINUX.

D:Documents and SettingsBAR>tnsping appdev

TNS Ping Utility for 32-bit Windows: Version 10.1.0.4.2 - Production on 25-DEC-2
008 20:22:57

Copyright (c) 1997, 2003, Oracle. All rights reserved.

Used parameter files:
C:DevSuiteHome_1
etworkadminsqlnet.ora

Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)
(HOST = 70.63.134.203)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = APPDEV)))
VISLINUX = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 75.
182.87.181)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = VISLINUX) )
TNS-12533: TNS:illegal ADDRESS parameters

D:Documents and SettingsBAR>tnsping vislinux

TNS Ping Utility for 32-bit Windows: Version 10.1.0.4.2 - Production on 25-DEC-2
008 20:23:21

Copyright (c) 1997, 2003, Oracle. All rights reserved.

Used parameter files:
C:DevSuiteHome_1
etworkadminsqlnet.ora

TNS-03505: Failed to resolve name

and when I use TOAD to connect the schema's I get the following error ORA-12154:TNS:could not resolve the connect identifier specified

Here are the contents of my TNSNAMES.ora file

XE =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = anvesh)(PORT = 1521))
(CONNECT_DATA =

[Code]....

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Networking And Gateways :: ORA-12154 / TNS / Could Not Resolve Connect Identifier Specified

Dec 4, 2012

While connecting to Database through sqlplus as sysdba, error pop-up.

SQL> conn sysdba@disdevt
Enter password: *******
ERROR:
ORA-12154: TNS:could not resolve the connect identifier specified
Warning: You are no longer connected to ORACLE.
SQL>

but i am able to log-in to database through pl/sql developer. Since TNS is same for both.

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Networking And Gateways :: ORA-12154 / Could Not Resolve Connect Identifier Specified

Mar 17, 2011

What works: There is a oracle database on the local network. I'm connecting to it through my web server on my pc (apache/php). I have installed "oracle_instantclient10". It works fine - i can connect to oracle db, queries are executed fine.

What doesnt work: I'm trieing to connect to the same oracle db from a Linux server, but i get the error:

ORA-12154: TNS:could not resolve the connect identifier specified

My linux server can connect to remote oracle db, because "nmap ORACLE_DB_MACHINE_IP -PN", gives me answer "1521/tcp open oracle". I have the same firewall allowance with my winXp pc.

I use the same "TNSNAMES.ORA" and "SQLNET.ORA" files on both: linux server, winXp pc. The only difference between winXp and linux machines is that winXp uses oracle instant client version 10.2, and linux uses version 11.2.

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Networking And Gateways :: ORA-12154 TNS - Could Not Resolve Connect Identifier Specified

Mar 7, 2011

While connecting to oracle database, i'm getting

SQL> conn red_user/red@orcl
ERROR:
ORA-12154: TNS:could not resolve the connect identifier specified

Warning: You are no longer connected to ORACLE.

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Networking And Gateways :: TNS Could Not Resolve Connect Identifier Specified

Nov 4, 2010

I have a really strange problem connecting from a new client to an Oracle server, here are the points :

- There is no problem with DB server and its listener and all that as I am able to connect from other clients
- I have installed the oraclient on this machine ( it is a XP machine ) and copy/pasted the TNSNAMES.ORA from one of those correct PCs here and when I do a TNSPING is returns OK
- even when I open oracle net manager I see the TNS entries in there and when I test a connection thru it is says successfull
- BUT WHEN I USE SQL+ or TOAD or ODBC ( any of these) trying to make a connection using the exact same TNS entries it returns :

"ORA-12154: TNS:could not resolve the connect identifier specified"

- I have tried with both IP and Host name but no luck
- TNSNames.Ora and sqlnet.ora both are located here : oracleproduct10.2.0client_1NETWORKADMIN
- there is just one oracle home
- I have already uninstalled/installed oracle client
- These lines are included in Sqlnet.ora :
SQLNET.AUTHENTICATION_SERVICES= (NTS) NAMES.DIRECTORY_PATH= (TNSNAMES)

I marked those entries in Sqlnet.ora and that made no diff in result, another thing : if I use easy connect method : sqlplus scott/tiger@<Servername>:1521/ORCL it does connect but using TNSNames still I can not get connected. so strange!!, seems somehow the TNS file even is not being picked or looked at !

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Networking And Gateways :: TNS - Could Not Resolve Connect Identifier Specified

Dec 29, 2012

I have both 10g and 11g installed in my machine.There are so many CI builds that runs without problems.For few builds which uses 10g, it throws errors as ,

SQL*Plus: Release 11.2.0.1.0 Production on Thu Dec 27 01:18:52 2012
Copyright (c) 1982, 2010, Oracle. All rights reserved.
ERROR:
ORA-12154: TNS:could not resolve the connect identifier specified
Enter user-name:

Only at a particular step, this is happening. After this,if some-other target is connecting to Oracle,it is able to connect.

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Networking And Gateways :: Select Statement - Could Not Resolve Connect Identifier Specified

Jun 7, 2010

we have oracle
Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - 64bi
PL/SQL Release 10.1.0.2.0 - Production
CORE 10.1.0.2.0 Production
TNS for IBM/AIX RISC System/6000: Version 10.1.0.2.0 - Productio
NLSRTL Version 10.1.0.2.0 - Production

and SQL Server 2005 on MS windows Server 2003

i followed the article and i get succeed on each steps

[URL]

when i execute the select statement under user by name NEW I got below error

ORA-02019: connection description for remote database not found

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ORA-12154 / TNS - Could Not Resolve The Connect Identifier Specified

Nov 3, 2010

I have installed Oracle 10g client and am trying to connect to an Oracle 9i database with it. I have already created the required Listner and service names. But when I try to login to SQL * Plus , it gives me the following error: Ora-12154: TNS: Could not resolve the connect identifier specified

Could Oracle 10g client connect to a 9i database? If so how do I fix this problem?

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ORA-12154 - TNS - Could Not Resolve Connect Identifier Specified

Dec 14, 2012

OS:Solaris
DB:10G

I am trying to create a DR on the same server as that of primary server.

Specifictaions:
Primary server:test
DR: testdr

I have made thetns entries and i am also able to tnsping both test and testdr. But below is the error that is being constantly getting logged in the alert of primary server.

Error 12154 received logging on to the standby
Fri Dec 14 20:09:36 2012
Errors in file /11g/oradata/admin/ettest/bdump/ettest_arc0_7336.trc:
ORA-12154: TNS:could not resolve the connect identifier specified
PING[ARC0]: Heartbeat failed to connect to standby 'ettestdr'. Error is 12154.

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Precompilers, OCI & OCCI :: ORA-12154 / TNS / Could Not Resolve Connect Identifier Specified

Jun 25, 2009

I have a 10.2.0.3 server installation on Solaris x86-64.I am trying to compile the sample1 proc demo program with the 32 bit make file :

compilation is successfull, however - I am unable to connect to Oracle ( TNS error ) my TWO_TASK is set correctly.

rstnyc01:>make -f demo_proc32.mk sample1
/usr/ccs/bin/make -f /export/home/oracle/product/10.2_s/precomp/demo/proc/demo_proc32.mk OBJS=sample1.o EXE=sample1 build
/usr/ccs/bin/make -f /export/home/oracle/product/10.2_s/precomp/demo/proc/demo_proc32.mk PROCFLAGS="" PCCSRC=sample1 I_SYM=include= pc1
proc iname=sample1 include=. include=/export/home/oracle/product/10.2_s/precomp/public32 include=/export/home/oracle/product/10.2_s/precomp/public include=/export/home/oracle/product/10.2_s/rdbms/public include=/export/home/oracle/product/10.2_s/rdbms/demo include=/export/home/oracle/product/10.2_s/plsql/public include=/export/home/oracle/product/10.2_s/network/public

[code]....

ORACLE error--

ORA-12154: TNS:could not resolve the connect identifier specified

However - when I am doing the exact same thing with the 64 bit make file, I am able to connect with no issues :

rstnyc01:>make -f demo_proc64.mk sample1
/usr/ccs/bin/make -f /export/home/oracle/product/10.2_s/precomp/demo/proc/demo_proc64.mk OBJS=sample1.o EXE=sample1 build
/usr/ccs/bin/make -f /export/home/oracle/product/10.2_s/precomp/demo/proc/demo_proc64.mk PROCFLAGS="" PCCSRC=sample1 I_SYM=include= pc1
proc iname=sample1 include=. include=/export/home/oracle/product/10.2_s/precomp/public include=/export/home/oracle/product/10.2_s/rdbms/public include=/export/home/oracle/product/10.2_s/rdbms/demo include=/export/home/oracle/product/10.2_s/plsql/public include=/export/home/oracle/product/10.2_s/network/public

[code]....

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Client Tools :: ORA-12154 / TNS - Could Not Resolve Connect Identifier Specified

Nov 21, 2012

I'm not able to login to PL/SQL Developer 7.0.3.1123.I'm receiving "ORA-12154: TNS: could not resolve the connect identifier specified" error. Although it lists all TNS entries in Database drop down.It was working fine last week but now I'm not able to login.

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Client Tools :: Sqlplus Error ORA-12154 - TNS - Resolve Connect Identifier Specified?

Feb 24, 2010

it seems to me that the file tnsnames.ora is not read when i execute sqlplus.whit the command: sqlplus username / password @ servicename i receive the error ORA-12154, while if i pass the whole connection string i can connect without problems

sqlplus username/password@(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = oradev10)(PORT = 10520))(CONNECT_DATA = (SERVICE_NAME = D10)))

i set the ORACLE_HOME environment variable correctly... what more i have to do? following is my tnsnames.ora

TOTEMPROD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = ttf19.cern.ch)(PORT = 1521))

[code]...

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Networking And Gateways :: ORA-12154 / TNS - Could Not Resolve Service Name

Dec 18, 2003

I installed Oracle 9i under W2K with preconfigured DB (SID=ORCL), after that I intalled Oracle developer suite and everything is OK but, When I created second DB (SID=SUMM), I get "ORA-12154: TNS:could not resolve service name" when I tried to connect with :

SQL> connect sys/oracle@summ as sysdba

NB: I have no problem when I use

SQL> connect sys/oracle@orcl as sysdba

Below, are my SQLNET.ORA, TNSNAMES.ORA, LISTENER.ORA files

# SQLNET.ORA Network Configuration File: C:oracleora90networkadminsqlnet.ora
# Generated by Oracle configuration tools.
SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES, HOSTNAME)

[code]....

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Networking And Gateways :: ORA-12154 / TNS / Could Not Resolve Service Name

May 15, 2013

What I'm trying to do Establish a remote connection to an Oracle 9i R2 9.2.0.8.0 database using "Oracle Provider for OLEDB 9.2.0.7.0" (I was unable to find an 9.2.0.8.0 equivalent) on a Windows Server 2008 R2 64-bit machine.

My configuration

sqlnet.ora
# SQLNET.ORA Network Configuration File: D:oracleora92
etworkADMINsqlnet.ora
# Generated by Oracle configuration tools.
NAMES.DEFAULT_DOMAIN = B81DCS.COM
SQLNET.AUTHENTICATION_SERVICES= (NTS)

[code]....

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Networking And Gateways :: ORA-12154 - TNS - Could Not Resolve Service Name?

May 14, 2013

My database is oracle 9i when try to connect oracle database using putty to AIX server like..

$ sqlplus

SQL*Plus: Release 9.2.0.8.0 - Production on Wed May 15 09:50:01 2013

Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

Enter user-name: sys@testdb as sysdba
Enter password: (given password)

(then showing the following Error message)

ERROR:
ORA-12154: TNS:could not resolve service name

But I try to connect using SQLPlus window then it is successfully connected also if i try to connect using command line window like..

C:>sqlplus /

Enter user-name: sys@testdb as sysdba
Enter password:
Connected to:
Oracle9i Enterprise Edition Release 9.2.0.8.0 - 64bit Production
JServer Release 9.2.0.8.0 - Production

SQL> select name from v$database;

NAME
---------
TESTDB

then it is also successfully connected to database..what is the problem .

my TNSLISTENER.ora file is

# TNSNAMES.ORA Network Configuration File: /u01/app/oracle/product/9.2.0/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

SINGERDB =
(DESCRIPTION =
(ADDRESS_LIST =

[code]....

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Networking And Gateways :: ORA-12154 TNS - Could Not Resolve Service Name?

Dec 24, 2010

My server database is not connected today whenever I try to connect it. It was working properly till yesterday but today morning when I came to office and want to connect with server then my database server show the message "ORA-12154 TNS: could not resolve the service name" and not connected.

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Networking And Gateways :: ORA-12154 / TNS - Couldn't Resolve Service Name

May 19, 2010

I can able to login to the database through an user A. But when I try login as B,I am getting the follwing error. ORA-12154: TNS:could not resolve service name...I am using the following method.

1. Login to the database server via putty.
2. sqlplus A/****

for the user A,the step2 is working fine. But the same step is failing for the user B.And the user B is trying to connect to the database from the same server as the user A logged in to the database successfully.

db01: sqlplus B/*****
SQL*Plus: Release 9.2.0.4.0 - Production on Wed May 19 13:12:52 2010
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

Enter password:
ERROR:
ORA-12154: TNS:could not resolve service name

Enter user-name: I don't know why this error is coming for a particular user only.

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Networking And Gateways :: ORACLE Error 12154 Encountered - Could Not Resolve Service Name

May 13, 2013

I have overwritten tnsnames.ora file with newone. In new tnsnames.ora file I have added new host string, remaining all unchanged.

after that, when trying to connect using sqlplus(from windows machine, sqlplusw.exe), working fine. But when trying to connect through putty getting error.

ORA-12154: TNS:could not resolve service name

for the same reason my scheduled cron tab can not run export backup. cron tab error is

EXP-00056: ORACLE error 12154 encountered
ORA-12154: TNS:could not resolve service name
EXP-00000: Export terminated unsuccessfully

I am suspecting problem may be due to file accessing permission related issue. But cant solve it. Current tnsnames.ora files permission is

# ls -l admin
total 112
-rw-r--r-- 1 oracle oinstall 14661 Apr 26 2002 libnk59.exp
-rw-r--r-- 1 oracle oinstall 643 Apr 26 2002 libnk59.imp
-rw-r--r-- 1 oracle oinstall 5728 Apr 26 2002 libnrad9.exp

[code]....

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Connect Oracle Database From Delphi - Could Not Resolve Connect Identifier Specified

Oct 6, 2010

I have the following computer/setup:

Acer laptop, Intel Processor w/ Windows 7 Professional (64-bit)
Delphi 2010 Professional
Oracle XE (+ the Oracle XE client that comes with it)

I cannot can't to the Oracle database from Delphi. The error I keep getting is:

Alias is not currently opened. [Oracle][ODBC][Ora]ORA-12154:TNS: could not resolve the connet identifier specified.

Here's what I've done:

1. Create an ODBC connection to my Oracle database

- run C:WindowsSysWOW64odbcad32.exe to open the ODBC administrator.
- Data source name: bt_user
- TNS Server Name: localhost/xe
- user bt_user
- Clicked "test connection" -- Success.

2. Open Delphi and drop a TDatabase component on my main form.

- Set the Alias Name property to "bt_user" (the alias I set up in ODBC)
- Set database name to "bt_user".
- Checked "connected".

Alternatively, I tried using the Delphi ADO components (the dbGo components).

- Drop TADOConnection component on my form.
- Select "connection string" and open the dialog.
- Click "build string".
- Select "Microsoft OLE DB Provider for ODBC Drivers" from the selection.
- In "use data source", select "bt_user" from the drop-down list (my ODBC connection from #1)
- Click "test connection".

Again the same error.

My questions are:

1. Can Delphi work with Oracle XE (Express Edition)?

2. If so, then do I need to install the "Instant Client"?

3. Will the instant client for Oracle 10g work with Oracle 10g XE?

4. Do I need to install any additional ODBC driver(s)?

5. Why was I successful in creating the ODBC connection in Windows, but it failed in Delphi?

6. Will Visual Studio.NET (C#) work with Oracle XE, and what are the steps for setting that up?

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Oracle And MySQL Database - Could Not Resolve Connect Identifier Specified

Jun 2, 2011

i tried for 3 days to setup a connection between my oracle database 11.2 (resides on 2003,64 bit Microsoft windows) and a mysql database (resides on 2003,32 bit Microsoft widows).

i used dg4odbc 64 bit which was installed on oracle server, my steps was as follows :

1- configure ODBC driver (MYSQL 3.51 odbc) on oracle server that connect to mysql database and the connection was tested successfully (the name of odbc dsn is DG4ODBC).

2- configure the listener.ora file (which resides on dg4odbc installation path) that contains the following :

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = xxxxxxxxxxxx)(PORT = 1511))

[code]....

3- configure the tnsnames.ora file (which resides on oracle database path) that contains the follwoing :

DG4ODBC =
(DESCRIPTION=
(ADDRESS=(PROTOCOL=tcp)(HOST=xxxxxxxxxxxx)(PORT=1521))
(CONNECT_DATA = ( SERVICE_NAME = DG4ODBC ))
(HS=OK)
)

4- configure that initdg4odbc.ora file that resides on the dg4odbc installation.

HS_FDS_CONNECT_INFO = DG4ODBC
HS_FDS_TRACE_LEVEL = off

5- restart the gateway listener.

6- test DG4ODBC service by tnsping which was successful .when i try to get some data from mysql database by SELECT * FROM MDL_COURSE@DG4ODBC query,the query take some time (15 second !!) and return

ORA-12154: TNS:could not resolve the connect identifier specified

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Networking And Gateways :: ORA-12154 Implement A Physical Standby Database

May 20, 2011

i'm a trainee for my PFE and i should to implement a physical standby database,i chosed this tuto URL.... but in step 10 when i do SELECT * FROM v$archive_dest where dest_id=2 ; i have i message error.

ORA-12154: TNS: could not resolve the connect identifier specified.

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Networking And Gateways :: TNS-03505 / Failed To Resolve Name

May 21, 2012

I have 2 virtual machines, in that two vitual machines oracle servers are there.

machine 1 environment file (ofdb.env):

TMP=/tmp; export TMP
TMPDIR=$TMP; export TMPDIR
ORACLE_HOSTNAME=localhost.localdomain; export ORACLE_HOSTNAME
ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE
ORACLE_HOME=$ORACLE_BASE/product/11.1.0/db_1; export ORACLE_HOME
ORACLE_SID=ofdb; export ORACLE_SID
ORACLE_TERM=xterm; export ORACLE_TERM

[code]....

machine 2 environment file (.bash_profile):

TMP=/tmp; export TMP
TMPDIR=$TMP; export TMPDIR
ORACLE_HOSTNAME=localhost.localdomain; export ORACLE_HOSTNAME
ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE
ORACLE_HOME=$ORACLE_BASE/product/11.1.0/db_1; export ORACLE_HOME
ORACLE_SID=DB11G; export ORACLE_SID

[code]....

Now i want to connect from "DB11G (client)" to "ofdb (server)"

ofdb (TNSNAMES.ora) :

TO_OFDB =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1523))

[code]....

DB11G (listener.ora) :

ofdb =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =

[code]....

in both server & client i had set "TNS_ADMIN = $HOME" (see the above environment files) so,

my listener file is in server home directory

my tnsname file is in client home directory

i was started listener in server (ofdb):

$ lsnrctl start ofdb

listner started successfully then came to client side (DB11G) :

$ tnsping TO_OFDB

"TNS Ping Utility for Linux: Version 11.1.0.6.0 - Production on 21-MAY-2012 10:11:27

Copyright (c) 1997, 2007, Oracle. All rights reserved.
Used parameter files:
/u01/app/oracle/product/11.1.0/db_1/network/admin/sqlnet.ora
TNS-03505: Failed to resolve name"

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Networking And Gateways :: Can't Resolve Tns 12541 Error - No Listener

Nov 1, 2010

My database link to the remote database used to work fine until the company VPN was updated for some security reasons. Now When I try to connect using the DBlink now, error comes up:

TNS 12541 no listener.

Checked the actual listener on the remote database(destination) and it is up and running fine. I am able to ping their machine.

ping <remote host> -works fine
tnsping<remte host> -fails

it comes back with error
TNS 12541: no listener

Nothing has been changed on both databases. The destination database can connect to our database without any issues(they can tnsping and use the dblinks to our database).

LISTENER ENTRY:
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
[Code] ......

None of the above should be the cause because there was no change been made on any of these.

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Networking And Gateways :: ORA-12514 / TNS / Listener Could Not Resolve SERVICE_NAME

Apr 22, 2011

I have a database named DBKNIT and my server name is USMSERVER, But i cant login to the PLSQL from my client PC , there is an error :

ORA-12514:TNS:listener could not resolve SERVICE_NAME given in connect descriptor

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Networking And Gateways :: ORA-01741- Illegal Zero-length Identifier For DBlink

Mar 7, 2010

I tried to create a DB link that connects to SQL server.Right now I could connect the SQL server and able to test the connection by tnsping. When I tried to create a dblink, it failed and the message shows

CREATE PUBLIC DATABASE LINK "ODBC" CONNECT TO "user" IDENTIFIED BY "" using 'hsodbc'

ORA-01741: illegal zero-length identifier

The problem is that our sql server does not have any password while identified by is a required field.

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Networking And Gateways :: Cannot Connect To Database

Nov 2, 2011

I installed Oracle Express on my Windows 2003 Enterprise server. And right off the bat I cannot connect to it via command line. I have googled and read many sites, but am still getting the same error, no matter what I do. I am newbie again (was a DBA in 1990...when I used to have the same error and fix it in seconds...not sure why this problem still lingers in Oracle) so most likely I am overlooking something. Below are my tnsnames.ora and liserner.ora files

tnsnames.ora
XE =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = myservername.domainname.com)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = XE)
)
)
[code]....

# This file is actually generated by netca. But if customers choose to
# install "Software Only", this file wont exist and without the native
# authentication, they will not be able to connect to the database on NT.

SQLNET.AUTHENTICATION_SERVICES = (NTS)

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Networking And Gateways :: Connect Time Fail Over?

Mar 12, 2010

I would like to implement connect time fail over from my JDBC thin client. The client will try to first connect with dedicated connection mode, if the connection time crosses more than two seconds, then connection will be opened with shared mode. To implement this, I have put the following connection string in my JDBC URL. I am able to connect to database with this URL, however it seems fail over does not work. Is it because, my database listener is not configured with dynamic service registration. If I implement the dynamic service registration, is fail over going to work? Note, I want to fail over in the same database instance but with different listener.

(DESCRIPTION_LIST =
(FAILOVER = TRUE)
(LOAD_BALANCE = FALSE)

[Code].....

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Networking And Gateways :: Unable To Connect To DB From Client

Dec 3, 2011

I was trying to connect to oracle 10g database from oracle 10g client. But unable to do so.

i am able to tnsping the db from client but unable to estatblish sqlplus connection. I get ORA-28547 error when i issue the command sqlplus hr/***@db1. ORA-1560 when the command sqlplus hr/*** is issued.

I have mentioned the listener and tnsnames.ora files

listener.ora
------------
[oracle@localhost admin]$ more listener.ora
# listener.ora Network Configuration File: /home/oracle/product/10.2.0/db_1/netw
ork/admin/listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
[code]........

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Networking And Gateways :: Connect Remotely Database?

Jul 14, 2010

i have a inventory system and trying to connect remote database one by one throught two static ips. If first ip is not ping then go to 2nd ip only when open the login.fmx page

following examples are my tnsnames.ora

IP1.WORLD =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 117.65.48.12)(PORT = 1521))
(CONNECT_DATA = (SID = ORCL))

IP2.WORLD =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 117.65.48.13)(PORT = 1521))
(CONNECT_DATA = (SID = ORCL))

i am not understand what i write the code on-logon trigger

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Networking And Gateways :: Unable To Connect To OPMN

Jan 25, 2011

Getting Unable to connect to OPMN. Opmn may not be up while checking the status of instance.

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