Question

JDBC with Oracle:Driver Class?

Asked by: perfect_tranquility

I have been trying to establish a connection to Oracle database in my company and I can not even load the driver class.  Can someone help plz?

The host string ,port number, user name and passwords are all fine as I used them to log thru SQL Tools. 

package package1;
 
import java.sql.*;
 
public class class1 {
 
	private void f()   {
                 try{
	//Class.forName("jdbc:oracle:thin");
	Class.forName("oracle.jdbc.driver.OracleDriver");
					
	}
	catch(ClassNotFoundException e){
	System.out.println("Driver not loaded");
	}
String url = "oracle.jdbc.driver.OracleDriver:@144.226.202.69:1521:CCRP";
try{
				
Connection con=DriverManager.getConnection(url, "COMM_USER","APP0NLY");
Statement stmt=con.createStatement();
ResultSet rs=stmt.executeQuery("select * from stage2");
System.out.println(rs.getType());
	}
catch(SQLException e){
System.out.println("Connection could not be established");
				}
				
	}
	
 
	public static void main(String[]fdfd){
		
		new class1().f();
	}
	
				}

                                  
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Asked On
2009-04-23 at 13:52:35ID24350595
Topics

New to Java Programming

,

Oracle CRM

Participating Experts
2
Points
500
Comments
8

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Answers

 

by: VenabiliPosted on 2009-04-24 at 02:32:27ID: 24223142

>>I can not even load the driver class
ClassNotFoundException  exception? Then you just do not have it in your classpath

Oh - and the URL for oracle with the thin driver should start with:
jdbc:oracle:thin:
not the full Driver path. The full Driver path is needed only for loading the driver. I see that you tried to load the class with the connection string so you just have them in the wrong order.
See this for some more details on the connection string: http://www.orafaq.com/wiki/JDBC
and see http://www.java-tips.org/other-api-tips/jdbc/how-to-connect-oracle-server-using-jdbc-4.html for example on how to connect. The Driver path is differetn but the rest remains the same

Let me know if I can find with anything else.

 

by: rks_86Posted on 2009-04-26 at 10:32:21ID: 24236861

Try This It may Help You.It worked for me. :)

try {
DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
Connection con = DriverManager.getConnection("jdbc:oracle:thin:@dbhostname:portnumber:dbsid, dbusername, dbpassword);
-----
---
-----
} catch (SQLException e) {
            e.printStackTrace();
}
                                              
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by: VenabiliPosted on 2009-04-26 at 14:47:03ID: 24237755

This won't even compile rks_86. :)
Not to mention that it does not add anything to what I posted days ago... So what was the point in posting it?

 

by: perfect_tranquilityPosted on 2009-04-26 at 16:09:27ID: 24238029

no problem, plz give me a day or two. I will check both of them out and come back. I have always been just in giving points, not to worry friends.

 

by: rks_86Posted on 2009-04-27 at 00:28:09ID: 24239467

Thank you Venabili:. I had not read your links before posting.:-) Sorry :-)
By the way I'm not a expert i just wanted to help him as i also faced exactly same :-)
perfect_tranquility, I DONT want any points  you can award Venabili full points. :-)

 

by: VenabiliPosted on 2009-04-27 at 04:40:07ID: 24240719

rks_86, it's not about the points :) The whole idea is to work as a team so... try to read what is already posted before jumping in a question (and this is in the rules by the way) :) PS: Did you see why your code does not compile? :)

perfect_tranquility, Sure. let me know if you need more assistance

 

by: rks_86Posted on 2009-04-27 at 11:17:56ID: 24244217

Syntax error right

 

by: perfect_tranquilityPosted on 2009-05-20 at 14:39:47ID: 24436572

Please bear with me, I will be doing all this JDBC stuff on weekend, this way, I shall memorize it all for ever!

Thanks

20120131-EE-VQP-002

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