SQL*XL 3 connect to oracle database

I USE SQL*XL TO EXTRACT DATA FROM ORACLE DATABASE!
THE SOFTWARE WORK THERY WELL ON A CLINT IN WITCH IS INSTALLER DEVELOPER, BUT IF I INSTALL SQL*XL ON A PC that don't have nothing of oracle installed don't connect to database.
Do you Know what are the things that i must install on the client pc to connect to database without install all the CD???
Thank 's

I don't believe that there is a client-only installation option from Oracle Developer CD's. If you're talking exclusively about Windows client machines, there is a Windows client-only download available on OTN with the database downloads. Otherwise, if you download the Oracle database, one of the installation options is to do a client-only install.
Justin
Distributed Database Consulting, Inc.
http://www.ddbcinc.com/askDDBC

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Sql exception when connecting to oracle database

When trying to connect to an oracle database using the code below i get an sql error. i put the code below it and the stack trace below the code. any help would be great
Connection connection = null;
        try {
            // Load the JDBC driver
            String driverName = "oracle.jdbc.driver.OracleDriver";
            Class.forName(driverName);
            // Create a connection to the database
            String serverName = "192.168.0.2";
            String portNumber = "1158";
            String sid = "orcl";
            String url = "jdbc:oracle:thin:@" + serverName + ":" + portNumber + ":" + sid;
            // String url = "jdbc:oracle:oci:@orcl";
            String username = "system";
            String password = "mmsi";
            connection = DriverManager.getConnection(url, username, password);
        } catch (ClassNotFoundException e) {
            System.out.println("Class Not Found Exception in connection to db");
        } catch (SQLException e) {
            System.out.println("SQL Exception in connecting to Database ");
            e.printStackTrace();
stackTrace------------------------------------------------------------------------------
java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
SQL Exception in connecting to Database
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:255)
        at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:387)
before this.start
got to doaction
        at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:420)
        at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165)
        at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
        at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
        at java.sql.DriverManager.getConnection(DriverManager.java:525)
        at java.sql.DriverManager.getConnection(DriverManager.java:171)
        at mmsiserver.conversation.<init>(conversation.java:190)
        at mmsiserver.Server.run(Server.java:105)
Exception in thread "Thread-0" java.lang.NullPointerException
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pcpitcher1

Please read this
http://forum.java.sun.com/thread.jspa?threadID=512566&start=0&tstart=0

Cannot connect to Oracle database from SQL Server

Hi
We have set up a SQL Server linked server and tried to use this SQL Server linked server to connect to Oracle database. We are using SQL Server 2008 and Oracle client 11g 11.02.00.01. However, we got this error message:
Msg 7347, Level 16, State 1, Line 1
OLE DB provider 'OraOLEDB.Oracle' for linked server 'OurLinkedServer' returned data that does not match expected data length for column '[OraOLEDB.Oracle].Ourfieldname'. The (maximum) expected data length is 6, while the returned data length is 2.
We are able to connect some of the tables ok but some of the tables are not connected and got the above error message.
Any suggestions are greatly appreciated.
Thanks a lot
Tom

Hi
Here is more information. We just found out that the Oracle database team changed the character set to something else and then they changed it back to UTF8.
Currently, it is using UTF8 character set on the Oracle side. Will this causing us this error message on our sql server linked server?
The error message said "The (maximum) expected data length is 6, while the returned data length is 2."
This refers to a field/column with char(1)
Any suggestions are greatly appreciated
Thank you
Tom

Which version of SQL*Plus can connect to Oracle 8i Database?

Which version of SQL*Plus can connect to Oracle 8i Database?
I would like to know which version of SQL*Plus can connect to Oracle 8i Database?
Where can I download it?
(I have tried SQL*Plus version 11 and the program said it does not support the connection to Oracle 8i Database)
Thank you very much!

By the way, what's your 8i database release version
SQL> select * from v$version;
Any SQL*Plus of 8i can connect to 8i Database.
Only SQL*Plus of 9.0.1 can connect to 8.1.7 and 8.1.6 Database
Only SQL*Plus of 10.1.0/10.2.0 can connect to 8.1.7 Database
Absolutely NO SQL*Plus of 11g can connect 8i databases
Regards,
Sabdar Syed,

Connect to Oracle database from SQL Sever

Can you help on an issue of connection from SQL Server to Oracle database:
In SQL Server, I create a "linked server" to connect to Oracle database on a different machine. But it will take a unreasonable time (about 30 seconds) to call a Oracle query from SQL Server.

No there are no entries required in the TNSNAMES.ORA
When you are using ODBC for connection, Oracle does not look fo rany enteries in TNSNAMES.ORA file.
Now I am able to connect to both SQL Plus and Forms 6i. But while connecting to SQL Plus its giving an error
Error accessing PRODUCT_USER_PROFILE
Warning: Product user profile information not loaded!
You may need to run PUPBLD.SQL as SYSTEM
Server not available or version too low for this feature
Connected to:
Oracle Open Client Adapter for ODBC 6.0.5.35.0
Microsoft SQL Server 08.00.0534
Also while disconnecting the Windows Program Error comes, and the application closes abruptly.

Unable to connect to Oracle database running on Windows machine from linux.

Hi,
I'm not able to connect to oracle database running on Windows machine from Linux machine. I'm geting the below mentioned error. I have given below the code I used to connect to database and database propertes.Do I need to use any specific driver?
Please help me.
Thanks,
Sunjyoti
Code :
import oracle.jdbc.pool.OracleDataSource;
import java.sql.Connection;
import java.util.*;
import java.sql.*;
import java.io.*;
class try2{
public static void main(String args[]) {
try {
          System.out.println("hi");
// Load the properties file to get the connection information
Properties prop = new Properties();
prop.load(new FileInputStream("/home/sreejith/EDIReader/Connection.properties"));
// Create a OracleDataSource instance
OracleDataSource ods = new OracleDataSource();
System.out.println("prop is "+prop);
configureDataSource(ods, prop);
Connection conn=null;
// Create a connection object
conn = ods.getConnection();
     System.out.println("Connection is"+conn);
// Sets the auto-commit property for the connection to be false.
conn.setAutoCommit(false);
} catch (SQLException sqlEx){ // Handle SQL Errors
System.out.println("In exception "+sqlEx);
} catch(Exception excep) { // Handle other errors
System.out.println(" Exception "+ excep.toString());
private static void configureDataSource(OracleDataSource ods, Properties prop) {
// Database Host Name
ods.setServerName(prop.getProperty("HostName"));
// Set the database SID
ods.setDatabaseName(prop.getProperty("SID"));
// Set database port
ods.setPortNumber( new Integer( prop.getProperty("Port") ).intValue());
// Set the driver type
ods.setDriverType ("thin");
// Sets the user name
ods.setUser(prop.getProperty("UserName"));
// Sets the password
ods.setPassword(prop.getProperty("Password"));
Connection properties :
# Your Database Connection details
HostName = 10.20.3.19
SID = EDIREAD
Port = 1521
UserName = dbuser
Password = dbuser
Error I'm getting is
error while trying to connect with odbc datasource
[root@iflexpau2217 EDIReader]# java try2
hi
prop is {HostName=10.20.3.19, Password=dbuser, UserName=dbuser, SID=EDIREAD, Port=1521}
In exception java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
Also I tried to connect with weblogic JDBC driver
Code is here:
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.sql.Blob;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
//import com.entrust.toolkit.util.ByteArray;
public class trial{
     public static void main(String args[]) throws IOException{
          System.out.println("hi");
          Connection p_conn = null;
          PreparedStatement xml_insert = null;
          try {
     // Load the JDBC driver
               System.out.println("hi2");
     // String driverName = "oracle.jdbc.driver.OracleDriver";
String driverName = "weblogic.jdbc.oracle.OracleDriver";
     System.out.println("hi2");
     Class.forName(driverName);
     // Create a connection to the database
     String serverName = "10.20.3.19";
     String portNumber = "1521";
     String sid = "EDIREAD";
     //String url = "jdbc:oracle:thin:@" + serverName + ":" + portNumber + ":" + sid;
String url = "jdbc:bea:oracle://10.20.3.19:1521";
     String username = "dbuser";
     String password = "dbuser";
System.out.println("connection is:"+p_conn+"user name is"+username+"password is"+password);
     p_conn = DriverManager.getConnection(url, username, password);
     System.out.println("connection is:"+p_conn+"user name is"+username+"password is"+password);
          xml_insert=p_conn.prepareStatement("insert into PRTB_SUBUNIT (SUBUNT_ID,SUBUNT_SUB_UNIT,SUBUNT_PHYUNT_ID) values (?,?,?)");
          //InputStream in=null;
          File l_file=new File("/home/sreejith/EDIReader/propertyfiles/inputfile/BUG_10802_ES_CSB19_68.txt");
          BufferedReader input =null;
          input=new BufferedReader(new FileReader(l_file));
          String line = null;
          StringBuffer trial=new StringBuffer();
          while (( line = input.readLine()) != null){
               trial.append(line);
               trial.append(System.getProperty("line.separator"));
          //InputStream is = new BufferedInputStream(new FileInputStream(l_file));
          System.out.println(trial.toString());
          //Blob b ;
          //byte[] bytes=trial.toString().getBytes();
          //System.out.println("Size-->"+bytes.length);
          xml_insert.setString(1,new String("SpecailChar"));
          //xml_insert.setBinaryStream(2,new ByteArrayInputStream(bytes),15920);
          xml_insert.setString(3,"SpecailChar");
          xml_insert.executeUpdate();
          p_conn.commit();
          } catch (ClassNotFoundException e) {
               System.out.println("ClassNotFoundException:"+e.getMessage());
          // Could not find the database driver
          } catch (SQLException e) {
               System.out.println("SQEXCEPTIN:"+e.getMessage());
          // Could not connect to the database
          }catch (FileNotFoundException e) {
               System.out.println("filenot found:"+e.getMessage());
          // Could not connect to the database
Error I'm getting is
error while trying with jdbc:
SQEXCEPTIN:[BEA][Oracle JDBC Driver]Error establishing socket to host and port: 10.20.3.19:1521. Reason: Connection refused

Is the Windows firewall active? Have you enabled the port on the firewall, if it is?

Help needed in connecting to oracle database in unity

Hi,
I have been trying to connect to Oracle database in my codes. I have tried using OdbcConnection and OleDbconnection. But both did not allowed me to connect to the database. The database, testDb, can be accessed using SQL plus as well as the SQL developer. I even tested the connection successful using ODBC data source administrator.
the following is my code for the connection string:
OdbcConnection connectionString = "Driver={Oracle ODBC Driver};Server=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP )(HOST=127.0.0.1)(PORT=1521))(CONNECT_DATA=(SID=Te stDb)));Uid=scott;Pwd=password;";
the error i got is [ODBC Driver Manager] Data Source name not found and no default driver specified.
for the driver parameter, i have tried using "Microsoft ODBC for Oracle". It gives me another error stating that the oracle and network components are not installed.
I even tried "Oracle in OraDb11g_home1" which was specified in the ODBC Data Source Administrator. The same error came out.
Below are some of my specifications:
Platform: Windows 7 64bit
Oracle: Oracle Database 11g Release 2 (64bit)
Unity: 4.1.2
Can someone please help me with this? What is it that i have done wrong?
Thanks.

1008737 wrote:
Hi,
I have been trying to connect to Oracle database in my codes. I have tried using OdbcConnection and OleDbconnection. But both did not allowed me to connect to the database. The database, testDb, can be accessed using SQL plus as well as the SQL developer. I even tested the connection successful using ODBC data source administrator.
the following is my code for the connection string:
OdbcConnection connectionString = "Driver={Oracle ODBC Driver};Server=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP )(HOST=127.0.0.1)(PORT=1521))(CONNECT_DATA=(SID=Te stDb)));Uid=scott;Pwd=password;";
whenever localhost (127.0.0.1) is used, this means that no remote client can ever connect to this system
The problem involves ODBC configuration & has nothing to do with Oracle.

Unable to connect to oracle database 10.1.0.2.0 from jdeveloper 11.1.2.1.0

Hello,
I am trying to connect to oracle database 10.1.0.2.0 from jdeveloper 11.1.2.1.0 to develop an ADF application.
But it is giving me the error
Test failed: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
connection type:oracle(JDBC)
Role :SYSDBA
Driver:thin
Host:localhost
JDBC port:1521
SID:webaid
I am able to connect to the database using SQL*Plus with the same credentials.
Any help is appreciated!

I take it you solved this problem, since you posted this: installing Oracle 10.1.0.2.0 (32 bit) on windows 2003 server

ODI topology connection error - oracle database

Hi,
I'm trying to connect to oracle database installed on a remote server through odi client installed on my windows machine. Oracle db is on RHEL 64 bit, I believe. I know the connection details such as hostname, sid etc but i'm not able to establish a connection using the oracle jdbc driver. I can perfectly connect to the db via sqldeveloper using tnsnames and also basic connection which rules out the possibility that i might be giving incorrect SID name in ODI connection since I'm using the same details for both
Error which i received is:
java.sql.SQLException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
     at oracle.odi.jdbc.datasource.LoginTimeoutDatasourceAdapter.doGetConnection(LoginTimeoutDatasourceAdapter.java:133)
     at oracle.odi.jdbc.datasource.LoginTimeoutDatasourceAdapter.getConnection(LoginTimeoutDatasourceAdapter.java:62)
     at com.sunopsis.sql.SnpsConnection.testConnection(SnpsConnection.java:1125)
     at com.sunopsis.graphical.dialog.SnpsDialogTestConnet.getLocalConnect(SnpsDialogTestConnet.java:163)
     at com.sunopsis.graphical.dialog.SnpsDialogTestConnet.access$4(SnpsDialogTestConnet.java:159)
     at com.sunopsis.graphical.dialog.SnpsDialogTestConnet$4.doInBackground(SnpsDialogTestConnet.java:519)
     at com.sunopsis.graphical.dialog.SnpsDialogTestConnet$4.doInBackground(SnpsDialogTestConnet.java:1)
     at oracle.odi.ui.framework.AbsUIRunnableTask.run(AbsUIRunnableTask.java:258)
     at oracle.ide.dialogs.ProgressBar.run(ProgressBar.java:655)
     at java.lang.Thread.run(Thread.java:662)
Caused by: java.sql.SQLException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
     at oracle.odi.jdbc.datasource.LoginTimeoutDatasourceAdapter.doGetConnection(LoginTimeoutDatasourceAdapter.java:133)
     at oracle.odi.jdbc.datasource.LoginTimeoutDatasourceAdapter.getConnection(LoginTimeoutDatasourceAdapter.java:62)
     at oracle.odi.core.datasource.dwgobject.support.OnConnectOnDisconnectDataSourceAdapter.getConnection(OnConnectOnDisconnectDataSourceAdapter.java:74)
     at oracle.odi.jdbc.datasource.LoginTimeoutDatasourceAdapter$ConnectionProcessor.run(LoginTimeoutDatasourceAdapter.java:217)
     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
     at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
     ... 1 more
Caused by: java.sql.SQLException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
     at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:482)
     at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:678)
     at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:238)
     at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)
     at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:567)
     at oracle.odi.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:410)
     at oracle.odi.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:386)
     at oracle.odi.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:353)
     at oracle.odi.jdbc.datasource.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:332)
     ... 7 more
Caused by: oracle.net.ns.NetException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
     at oracle.net.ns.NSProtocol.connect(NSProtocol.java:411)
     at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1222)
     at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:330)
     ... 15 more

tnsping works fine. To solve the problem, I changed my JDBC connection string to another format which uses connect description with service name and that solved the problem. This is what I used.
jdbc:oracle:thin:@(DESCRIPTION=(LOAD_BALANCE=on) (ADDRESS=(PROTOCOL=TCP)(HOST=) (PORT=1521)) (ADDRESS=(PROTOCOL=TCP)(HOST=) (PORT=1521)) (CONNECT_DATA=(SERVICE_NAME=)))

Issues when trying to connect to Oracle database

Hi
We have set up a linked server in SQL Server to connect to an Oracle database. We are using SQL Server 2008 R2 Enterprise (64 bit) on Windows Server 2008 and Oracle client 11g 11.02.00.01 connecting to Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production using UTF8.
Most tables are selectable without error, however, we got this error message for some:
Msg 7347, Level 16, State 1, Line 1
OLE DB provider 'OraOLEDB.Oracle' for linked server 'OurLinkedServer' returned data that does not match expected data length for column '[OraOLEDB.Oracle].Ourfieldname'. The (maximum) expected data length is 6, while the returned data length is 2.
This error message refers to a column of type char(3)
Will the characterset cause this error (I’ve read that SQL Server doesn’t support UTF8)?
If not, is there some other resolution that anyone can think of?
Any suggestions are greatly appreciated.
Thanks a lot!
Tom

Thank You for replying, Justin!
Yes, I can connect successfully to the database through other tools - at the moment I tried SQL*Plus, Net8 Easy Config and Schema Manager.
The Oracle client in the NT machine is 8.0.5.0.0. And unfortunately I do not know anything about the Oracle installation on this machine and at the moment I don't have that person near me too whom to ask also. But I think the installation was ok, because the connection through ODBC was working before the DB upgrade as far as I understood (sorry, again at the moment I don't know what was the previous version of DB. I will ask that information as soon as possible).
The main problem that bothers me at the moment is that I can't install 8.1.* series OraODBC driver with 8.0.5.0.0 Oracle Installer. I managed to install 8.0.6.6.0 version of the driver, but not the newer ones. As far as I've understood I have to upgrade the whole Oracle in the NT machine to upgrade that installer. Am I correct?
Regards,
Madis Priilinn

How to connect to oracle database from visual basic 2010 express edition

I have installed visual basic 2010 express edition on windows xp. But visual basic 2010 express edition supports Microsoft sql server database file,Microsoft sql server compact 3.5, Microsoft access database file. I want to connect to oracle database from visual basic 2010 express edition. So what drivers are required and how to do connectivity?

Hello,
I wasn't clear on what you were using to make the connection. I had a look in Visual Studio 2010 (don't have express to test sorry).
I think you mean the Data Sources available under the menu Data-> Datasources. this seems to match the description you give when I
look at the list of datasource options.
In here you can make ODBC connections via the Microsoft .net Data Provider .
If you select ODBC as a datasource you can see listed the DSN's you created - for example I see 2 which use the Oracle ODBC driver.
This assumes you installed an Oracle Client + the oracle version of the ODBC driver (comes with the oracle client).
Once you created a server connection then you should see it in the server explorer.
You can also download the Oracle Developer Tools for Visual Studio which is an add on for VS.
** I suspect this is only for VS 2010 and I didn't see that Express was supported.
http://www.oracle.com/technetwork/developer-tools/visual-studio/overview/index-097110.html
Let me know if that helps.
John

Oracle Client to connect to oracle database 7.x

Hi,
I want to connect to oracle database 7.x from a win2K using ODBC.
I know I need sql*net to make a connection .
Can you tell me where can I find it on the site to download/purchase?
If it is not available,can you suggest me the other options available for my situation.
Thanks
Sushma.

Thank You Justin.
Can you provide me the link to the download/purchasing the oracle client.
Because when I searched on OTN ,I get only documentation,nothing to software downloads.
I really need some help.
Is oracle client called as oracle tools etc.????????
Thanks in advance
Sushma.

SQL Navigator not connected for oracle 11 Client

Hi Team,
i used sql navigator 5.5 to connect database then it shows error that is "ORA-12541: TNS:no listener".
If connected local database, its connecting properly.
Actually, I have Installed Oracle 11g release 1. Client. Now i have connected local database and checked. then Database connected.
C:\Users\duvvuriv>sqlplus
SQL*Plus: Release 11.1.0.6.0 - Production on Fri Jun 8 14:47:30 2012
Copyright (c) 1982, 2007, Oracle. All rights reserved.
Enter user-name: / as sysdba
Connected to:
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> set lines 300
SQL> select name,open_mode,log_mode from V$database;
NAME OPEN_MODE LOG_MODE
ORCL READ WRITE NOARCHIVELOG
Please suggest,
Thanks & Regards,
Venkat

I have installed on my pc Oracle 11g for windows 7 home edition 64 bit. Usually I use Navigator to develop
or manage my DB, Navaigator 3.0 can be use with a 64 bit client? I have some problem with my previous edition.I assume by "DB Navigator" you mean "SQL Developer" because that's what this forum's about. Or if it's the Jdeveloper
addon - go to the jdev fora.
What's stopping you going [url http://www.oracle.com/technetwork/developer-tools/sql-developer/downloads/index.html]here and downloading the x86_64 version?
The licence is very liberal (for a proprietary product).
Paul...
Edited by: Paulie on Sep 2, 2011 11:37 AM

Cant connect to Oracle database using oracle db client

Hi All,
I recently created a virtual machine running windows server 2008 on my windows 7 host. Oracle database 11g is already installed on host OS(windows 7) and I have installed oracle 11g client on the guest OS(windows server 2008) and trying to connect to oracle database from remote server using oracle client but getting this error:
ORA-12504: TNS:listener was not given the SERVICE_NAME in CONNECT_DATAI am trying to connect using oracle client as below:
C:\Users\Administrator>SET ORACLE_SID = HR84DEV
C:\Users\Administrator>SQLPLUS /NOLOG
SQL*Plus: Release 11.2.0.1.0 Production on Fri Feb 10 06:16:34 2012
Copyright (c) 1982, 2010, Oracle. All rights reserved.
SQL> CONNECT SYSADM/[email protected]
ERROR:
ORA-12504: TNS:listener was not given the SERVICE_NAME in CONNECT_DATA
I have created database with name - HR84DEV
HOST ip address is - 192.168.56.1
I googled this error and as most of resources/blogs talked about having correct entry on listner.ora and tnsnames.ora file, I did the changes on both of these files accordingly.
PFB the cotent of both of these files:
tnsnames.ora
# tnsnames.ora Network Configuration File: C:\MyApps\Oracle\product\11.2.0\dbhome_\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.
LISTENER_ORCL =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.56.1)(PORT = 1521))
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
HR84DEV =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.56.1)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = HR84DEV)
ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
listner.ora
# listener.ora Network Configuration File: C:\MyApps\Oracle\product\11.2.0\dbhome_\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = C:\MyApps\Oracle\product\11.2.0\dbhome_)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:C:\MyApps\Oracle\product\11.2.0\dbhome_\bin\oraclr11.dll")
(SID_DESC =
(SID_NAME = HR84DEV)
(ORACLE_HOME = C:\MyApps\Oracle\product\11.2.0\dbhome_)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:C:\MyApps\Oracle\product\11.2.0\dbhome_\bin\oraclr11.dll")
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.56.1)(PORT = 1521))
ADR_BASE_LISTENER = C:\MyApps\Oracle
Please not that I dont have any problem in connect to database locally.

Thanks Nicolas,
Actually, there was a problem with my oracle client installation. I uninstalled it and then installed back again but still, even after following your instructions I get some error.
Here what I did:
Created tnsnames.ora file as below:
HR84DEV =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.56.1)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = HR84DEV)
Placed it under appropriate directory and then checked the connection with database using the command shown below:
C:\Users\Administrator>tnsping HR84DEV
TNS Ping Utility for 32-bit Windows: Version 11.2.0.1.0 - Production on 10-FEB-2
012 08:42:03
Copyright (c) 1997, 2010, Oracle. All rights reserved.
Used parameter files:
C:\MyApps\Administrator\product\11.2.0\client_1\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)
(HOST = 192.168.56.1)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = HR84DEV)))
OK (20 msec)
Then tried to connect to database as below:
C:\Users\Administrator>SET ORACLE_SID=HR84DEV
C:\Users\Administrator>SQLPLUS /NOLOG
SQL*Plus: Release 11.2.0.1.0 Production on Fri Feb 10 08:25:56 2012
Copyright (c) 1982, 2010, Oracle. All rights reserved.
SQL> CONNECT SYSADM/SYSADM@HR84DEV
ERROR:
ORA-28547: connection to server failed, probable Oracle Net admin error
But still getting error.
I Googled this error and tried to figure out what the problem is and came across the possible cause which is because I haven't specify that the service should run as a user who is in domain admin group.
well, I am not really sure about this and dont know what user name and password I should enter in OracleserviceHR84DEV-properties-log on-this account.
do I really need to set this?

Not able to connect remote oracle database over VPN

I can not connect remote oracle database over VPN. tnsping is ok and it shows the server information of remote database. i can also telnet the 1521 port of remote database server. I can connect the same server when it is located in the same LAN. Please help me out this is very urgent.

6b6c669e-6baa-45c4-a6dc-444aef2d5e7a wrote:
I can not connect remote oracle database over VPN. tnsping is ok and it shows the server information of remote database. i can also telnet the 1521 port of remote database server. I can connect the same server when it is located in the same LAN. Please help me out this is very urgent.
First, this is a forum of volunteers. There is no "urgent" here.
"Urgent" means one of two things -
1) people are dying, or
2) you have a customer-facing, revenue-producing production system that is down.
(And to get some perspective on the second case, keep the first in mind.)
For the first, you call whatever civil emergency service seems appropriate.
For the second, you open an SR with Oracle - which requires a paid-up support contract. For *them* to consider your problem "urgent", you will need to demonstrate that your problem falls under item #2. I seriously doubt your problem fits that criteria.
You don't have a support contract? Now you know the exact dollar figure that your company places on the data.
That said, you need to understand a few things about your specific problem,
First, port 1521 is only used by the listener to accept a connection request. Once it gets that request (and finds that it is for a service (sid) that it knows about, it will fork a server process and tell the requesting client that it can communicate with that server process over some other port .. a randomly chosen port number in the "high" range. It could be your vpn is blocking that other port, whereas your internal firewall is not.
But this is just an educated guess since I cannot find "can not connect remote oracle database over VPN" in any error message manual. If you had mentioned the VPN along with an actual oracle error message we could be much more precise in our diagnoses and recommendations.
---- edit 22 Sep
It occurred to me that I just assumed you were using the same client machine in both cases ... a laptop that you use both at work (local network) and home (vpn). If that assumption is false, there are probably problems with your tns setup on the home (vpn) machine.
But again, it would be much easier to help if you gave us an actual error message.

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