Applet trying to connect to Oracle Database

Hello!
I am trying to access an Oracle 8i database from an Applet. The problem is that the following exception is reported in IE 5.5
and the Applet is not run.
exception: com.ms.security.SecurityEceptionEx[oracle/net/nt/TcpNTAdpater.connect]:cannot access "pc38"
(where my database is being hosted on the intranet at a NT workstation called pc38). The applet does not seem to be able to connect to the datase due to security reason).
In Netscape no exception is shown in the Java Console but the Applet is not run anyway.
What do I have to do for the Applet to be able to connect to the database. The code for the Applet and the HTML file have been appended to this message.
Thanx in advance
Saad
/*********************************Applet*******************************/
String serviceName="ora816";
String hostName="pc38";
String userName="ipweb355";
String password="ipweb355";
String port="1521";
Connection conn=null;
try
java.sql.DriverManager.registerDriver (new oracle.jdbc.driver.OracleDriver());
String url = "jdbc:oracle:thin:@"+this.hostName+":"+this.port+":"+this.serviceName;
System.out.println("url = "+url+ " UserName = "+this.userName+ " password = "+this.password+" port = "+this.port );
conn = java.sql.DriverManager.getConnection(url, this.userName, this.password);
public void paint(Graphics g){
g.drawString("HI there",20,20);
try{
Connection con = conn;
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("Select COUNT(*) AS NUM_ROWS from TABLE_ONE");
rs.next();
String temp = rs.getString("NUM_ROWS");
g.drawString(temp,100,20);
catch(SQLException e){
g.drawString(e.getMessage(),20,20);
/********************HTML*********************************************/
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1252">
<TITLE>
HTML Test Page
</TITLE>
</HEAD>
<BODY>
testApplet will appear below in a Java enabled browser.<BR>
<APPLET
CODEBASE = "D:\IPWeb\Swings\TreeApplet\src"
ARCHIVE = "classes111.zip"
CODE = "testApplet.class"
NAME = "TestApplet"
WIDTH = 400
HEIGHT = 300
HSPACE = 0
VSPACE = 0
ALIGN = middle
>
</APPLET>
</BODY>
</HTML>

/*********************************************************************/

Hi!
Try to add this line to java.policy file on machine that's running applet:
permission java.security.AllPermission;

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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:
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Copyright (c) 1997, 2010, Oracle. All rights reserved.
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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.
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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?

Connect to oracle database with visual studio 2005

Hi, i have a oracle database called orcl (10.2). I am trying to connect with this database with visual studio 2005. I do this:
In Server Explorer, right click in Data Connection and click in add connection.
I choose oracle database and oracle provider.
In server name I write the name of my computer, and i write the user and pass of the data base (sys or system) but it gives me this error: "ora-12514 listener doesnt know the asket for service in the description one of connection" (translated of Spanish)
what i have to write in server name? host, host:port, LISTENER,.... what?
Thanks

Sometimes, you can check names using from the command line:
$> tnsping <orcl>
TNS Ping Utility for 32-bit Windows: Version 8.1.7.0.0 - Production on 10-ENE-20
06 09:01:04
(c) Copyright 1997 Oracle Corporation. All rights reserved.
Attempting to contact (ADDRESS=(PROTOCOL=TCP)(HOST=server1)(PORT=1521))
Realizado correctamente (0 mseg)
$>

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

Connect to Oracle database from Perl on Solaris x86

Hi,
How can I connect to Oracle database using Perl scripts on Solaris x86. It seems that DBD-Oracle Perl module requires Oracle client installed to work. Is there any Oracle client available for Solaris x86? Any one got a workaround? Thanks.
Angus Lee

Yes, you absolutely must have some portions of the rdbms installed before you can proceed. If your Solaris x86 machine is only a client, then you can get away with installing just ?/rdbms/mesg and ?/rdbms/lib.
I have Oracle 7.3.4, 8.0.5, 8.0.6, and 8.1.6 for Intel Solaris 2.6. I don't know if they'll run on Solaris 8 or 9 but I'm trying to upgrade at this very moment. As long as you conform to Oracle developer license, then you may download them from my machine.
I believe the reason Oracle dropped their Intel Solaris port is probably because Sun went through a period where they themselves dropped their Intel port. They've picked back up and if enough Oracle on Intel Solaris customers scream, then Oracle might pick it back up again too.
Send me an email if you're interested in the downloads.

ORA-12514 when trying to connect to the database using SERVICE

Hi,
Version 10204
In a single instance database i would like to create new SERVICEs in order to use them later with Resource Manager.
The instance name is DWH.
I run the following commands:
I added to the tnsnames.ora file the following input:
XYZ =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = xxx)(PORT = 1522))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = XYZ)
As SYSDBA i execute:
> exec DBMS_SERVICE.CREATE_SERVICE('xyz','xyz');
PL/SQL procedure successfully completed.
> exec DBMS_SERVICE.START_SERVICE('xyz');
PL/SQL procedure successfully completed.
But when i tried to connect to the instance:
sqlplus ac/ac@xyzSQL*Plus: Release 10.2.0.4.0 - Production on Sat Nov 1 14:44:43 2008
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor
When i am trying to connect , not via the service , its successed:
sqlplus ac/ac@dwh
SQL*Plus: Release 10.2.0.4.0 - Production on Sat Nov 1 14:45:07 2008
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Could you please help to understand why its failed to connect via SERVICE ?
Thanks

You told us.
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor.
I ask some questions, you set alias for listener port (no default) + local_listener parameter, don't you?
If you did....
Please check by .....
lsnrctl status
lsnrctl service
Let me show my example:
About 1522 (no default port)
SQL> show parameter local_listener
NAME TYPE VALUE
local_listener string ALIASLISTENER
- check tnsnames.ora file in the same location listener.ora file.
$ cat tnsnames.ora
ALIASLISTENER=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost )(PORT = 1522))
- About create new service
SQL> show parameter service_names
NAME TYPE VALUE
service_names string db
SQL> exec DBMS_SERVICE.CREATE_SERVICE('xyz','xyz');
PL/SQL procedure successfully completed.
SQL> exec DBMS_SERVICE.START_SERVICE('xyz');
PL/SQL procedure successfully completed.
SQL> show parameter service_names
NAME TYPE VALUE
service_names string xyz
$ lsnrctl status
LSNRCTL for Linux: Version 11.1.0.6.0 - Production on 02-NOV-2008 03:29:21
Copyright (c) 1991, 2007, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=hostname)(PORT=1522)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for Linux: Version 11.1.0.6.0 - Production
Start Date 02-NOV-2008 03:28:45
Uptime 0 days 0 hr. 0 min. 36 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File ORACLE_HOME/network/admin/listener.ora
Listener Log File ORACLE_HOME/log/diag/tnslsnr/hostname/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=hostname)(PORT=1522)))
Services Summary...
Service "db" has 1 instance(s).
Instance "db", status READY, has 1 handler(s) for this service...
Service "db2XDB" has 1 instance(s).
Instance "db", status READY, has 1 handler(s) for this service...
Service "db_XPT" has 1 instance(s).
Instance "db", status READY, has 1 handler(s) for this service...
Service "xyz" has 1 instance(s).
Instance "db", status READY, has 1 handler(s) for this service...
$ lsnrctl service
LSNRCTL for Linux: Version 11.1.0.6.0 - Production on 02-NOV-2008 03:29:40
Copyright (c) 1991, 2007, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=hostname)(PORT=1522)))
Services Summary...
Service "db" has 1 instance(s).
Instance "db", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "db2XDB" has 1 instance(s).
Instance "db", status READY, has 1 handler(s) for this service...
Handler(s):
"D000" established:0 refused:0 current:0 max:972 state:ready
DISPATCHER <machine: hostname, pid: 30200>
(ADDRESS=(PROTOCOL=tcp)(HOST=hostname)(PORT=45572))
Service "db_XPT" has 1 instance(s).
Instance "db", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "xyz" has 1 instance(s).
Instance "db", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
The command completed successfully

Not connecting to Oracle Database from Oracle BIEE 10g on Windows 7 machine

Hi friends,
I succesfully installed OBIEE 10g on my Windows 7 (Ultimate) machine using the assistance from one of your threads.
Now I am not able to connect to Oracle 11g database. When I tried to configure through START->Control Panel --> Administrative Tools --> DATA SOURCES (ODBC) ---> ....I am seeing Oracle 11g in System DSN but I am unable to see OBIEE driver in system DSN. After setting manually, I am now seeing OBIEE driver in user DSN. So is all other 32 bitapplications like MS Acess, Excel, etc., are all in user dsn.
When I open OBIEE Administration tool, I can only see ONLY Analytics Web and nothing else. How do I connect to Oracle database. Please assist me.
Thanks in advance.
Din

Hi,
Your window os 32bit or 64bit -- Please conform?
Your Os 64 bit -- http://www.mycabi.net/?p=19 please read this link.
Your windows os 32 bit :
Go--> Run--> odbcad32 follow the below step
In ODBC Administration, on the System DSN tab add a new connection
1. step : Data Source: "Oracle BI Server" -->"Next"-->Name: "AnalyticsWeb"-->Server: "local"-->(everything else unchecked)-->"Next"-->Give the username for the BI Server-->"Administrator" -->(I think the password can main blanc),Port: "9703 -->(everything else unchecked)-->"Next"-->(everything unchecked)-->"Finish"
When I tried to configure through START->Control Panel --> Administrative Tools --> DATA SOURCES (ODBC) ---> ....I am seeing Oracle 11g in System DSN but I am unable to see OBIEE driver in system DSN
A. I don't no why your creating ODBC connection.
Note: Open your rpd with AnalyticsWeb and give me useranme and password --> go to physical layer select connection pool and give all credntails here.
http://gerardnico.com/wiki/dat/obiee/ociv -- please refer this link
Datasource : Your dbname (ORCL,)
username: your schema name
Password: your schema password.
Hope it help's
Thanks,
Satya

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