ClassNotFoundException « oracle « Java Database Q&A

1. ClassNotFoundException for com.bea.content.manager.internal.ContentUpgradeListener when attempting to start application in Weblogic 10.2

I'm getting the following error when attempting to move an application from a state of "Prepared" to "Active":
        at weblogic.application.internal.flow.BaseLifecycleFlow$

2. Netbeans with Oracle connection java.lang.ClassNotFoundException

I use NetBeans 6.5. When I try to run the following code:

package com.afrikbrain.numeroteur16;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;

 * @author 

public class NumeroteurTest {

  public NumeroteurTest() {



3. oracle.jdbc.OracleDriver found in application, not in Test

When I connect to the OracleDriver in the application, everything is fine. But when I want to connect to run the JUnit Tests, I got a ClassNotFoundException. And I do exactly ...

4. Error in My java oracle connectivity ... java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

I just got some errors in my Java oracle connectivity. Could anyone please help me with this? I have enclosed the code below. I'm getting this error:

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver..
this is ...

5. classNotFoundException when trying to use Oracle JdbcOdbcDriver

I have successfully installed an ODBC driver. I am trying to connect to an Oracle 10g database using Netbeans 7.0. During connectivity it says "Driver class missing". How can this be fixed? Error:


6. Java Oracle localhost database connection (java.lang.ClassNotFoundException)

I am currently using this simple code to try to connect to my database on this computer (in Java)

import java.sql.Connection;
import java.sql.DriverManager;

public class Main {
public static void main(String[] argv) throws Exception { ...

7. Jdev 11g (wls 10.3) for java.lang.ClassNotFoundException:

I try to find which jar file is for I found one blog is from ${ORACLE_HOME}/dmt/oputil.jar, but where to download this jar file ? Can someone help ...

9. ClassNotFoundException - Oracle Driver

I have place the oracle driver at E:\Java\jdk1.5.0_02\jre\lib\ext\ but when i am executing the java file for oracel conneciton then oracle.jdbc.OracleDriver ClassNotFoundException exception is throwing i am not able to connect to database. If i set the oracle drive location to CLASSPATH then it is working, but i have heard that if we place the oracle driver or mysql driver at ...

14. ClassNotFoundException for oracle.jdbc.driver.OracleDriver

Hi, I try to connect to the oracle DB on a remote machine from a unix box. I use the following part of code for that: ==================================== private static final String URL = "jdbc:oracle:thin:@unixhostname:port:oracleSID "; private static final String UserName = "username"; private static final String Password = "password"; private static final String oracleDriver = "oracle.jdbc.driver.OracleDriver"; Class.forName(oracleDriver); oracleConnection = DriverManager.getConnection( URL, ...

15. ClassNotFoundException: oracle.jdbc.driver.OracleDriver

I recently started working with Java (after years of .Net) and one of the first things I need to do is connect to a database (in this case, Oracle). Looking around online, it looks like the standard approach is to use JDBC and grab an Oracle JDBC driver - which I promptly did. Specifically, I pulled down ojdbc6.jar (since I'm running ...

16. java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver

Hi everybody I'm new in java Platform and i have problems trying to load a JDBC driver using Class.forname, but JVM can not find it. I configured classpath enviroment path pointig to libraries OS: Windows XP Java Version 1.6 IDE Eclipse 3.2.2 classpath = .;C:\Program Files\Altova\xmlspy\XMLSpyInterface.jar;c:\program files\Microsoft SQL Server 2000 Driver for JDBC\lib\msbase.jar;c:\program files\Microsoft SQL Server 2000 Driver for JDBC\lib\msutil.jar;c:\program files\Microsoft ...

17. java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver

I know this may be old error but I try lots..plz help I create one database applet and compiled-run in eclipse it worked nice now I want to run in 'appletviewer' but it showing an error 'java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver' I write classpath as 'set classpath= ' also set classes in classpath. my current class path is as : C:\>echo %classpath% c:\tree\pacg;.;c:\tree\pacg\ojdbc14.jar;c\tree\pac g\classes12.jar ...

18. ClassNotFoundException trying to connect to Oracle database.

A couple of points for those finding this thread on a search (I assume the OP has moved on). classes12.jar is sometimes found as .zip and needs renaming to .jar. The ojdbc4 version is more up to date. Drivers are needed on the class path only at run time, not when you compile the code.