Can anyone help me, please?
I'm making a class to connect to oracle database, the loading driver code  is:
 
   OracleDriver drv = new OracleDriver();
   DriverManager.registerDriver(drv);
 
The import code is :
  
   oracle.jdbc.driver.*;
 
And I have checked the directory and OracleDriver class is there, but whenever I run the class I always get this message:
/servlet/SimpleServlet:

javax.servlet.ServletException: oracle/jdbc/driver/OracleDriver
oracle/jdbc/driver/OracleDriver
java.lang.NoClassDefFoundError: oracle/jdbc/driver/OracleDriver
        at SimpleServlet.service(SimpleServlet.java, Compiled Code)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:868)
        at com.allaire.jrun.servlet.JRunSE.service(JRunSE.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunServletLoader.service(JRunServletLoader.java, Compiled Code)
        at com.allaire.jrun.debug.StackManager.service(StackManager.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunNamedDispatcher.forward(JRunNamedDispatcher.java:40)
        at com.allaire.jrun.servlet.Invoker.service(Invoker.java:99)
        at com.allaire.jrun.servlet.JRunSE.service(JRunSE.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunServletLoader.service(JRunServletLoader.java, Compiled Code)
        at com.allaire.jrun.debug.StackManager.service(StackManager.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunSE.service(JRunSE.java:812)
        at com.allaire.jrun.servlet.JRunSE.service(JRunSE.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunServletLoader.service(JRunServletLoader.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.java, Compiled Code)
        at com.allaire.jrun.servlet.JRunSE.service(JRunSE.java:843)
        at com.allaire.jrun.http.WebService.service(WebService.java:93)
        at com.allaire.jrun.ThreadConfig.forward(ThreadConfig.java, Compiled Code)
        at com.allaire.jrun.ThreadConfigHandler.run(ThreadConfigHandler.java, Compiled Code)

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