开发者

Can't connect Tomcat 6 and oracle 10g XE for jsp database connectivity

开发者 https://www.devze.com 2023-03-28 04:36 出处:网络
I am using Eclispe ganymede,tomcat6 and oracle 10g XE. I have connected all of them.Everything is working fine.

I am using Eclispe ganymede,tomcat6 and oracle 10g XE. I have connected all of them.Everything is working fine.

But I have created a jsp file which creates a table in database that is not working. There is no error. But when I check into database there is no table created.

My coding :

    <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
    <title>Insert title here</title>
    </head>
    <body>
    <%@page import="java.sql.*" %>
    <%
    Connection con=null;
      try
    {
                Class.forName("oracle.jdbc.driver.OracleDriver");
        con=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:XE","system","123");
        Statement stmt=con.createStatement();
        stmt.executeUpdate("create table Black ( "
                  + "   id INT PRIMARY KEY, firstName VARCHAR(20), lastName VARCHAR(20), "
                  + "   title VARCHAR(20), salary INT " + ")");
        out.println("Table Created");

    }
    catch(ClassNotFoundException e)
    {
        out.println(e.getMessage());
    }
    catch(NamingException e)
    {
    out.println(e.getMessage());    
    }
    finally
    {
        try
        {

            if(con!=null)
                con.close();

        }
        catch(SQLException e)
        {
        }
    }
    %>

    </body>
    </html>

This is what error says:

java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.apache.jsp.data_jsp._jspService(data_jsp.java:73) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Unknown Source) java.lang.ClassNotFoundException: oracle.jdbc.OracleDriver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.apache.jsp.data_jsp._jspService(data_jsp.java:73) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.Coyot开发者_StackOverflow社区eAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Unknown Source) java.lang.ClassNotFoundException: oracle.jdbc.OracleDriver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.apache.jsp.data_jsp._jspService(data_jsp.java:73) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Unknown Source)

Now anyone tell me how to connect this program to database.


What is the output, is there a stacktrace? Have you defined the datasource as testdb?

You shouldnt anyway be doing sql-statements from a JSP page, put the sql-statements behind a DAO or use Hibernate or similar ORM tool.

Here is the http://www.oracle.com/technetwork/database/features/jdbc/index-091264.html download page for Oracles JDBC drivers. Take the matching one for your database, and the matching version of your Java vm. And put it under your tomcats lib/ directory.


Any exceptions raised ?. Don't use JDBC connection code in Jsp .Instead keep in a DAO class.

Or Jsp tab libraries can be used.

SQL Tag Library

Check this link to solve the issue .

Oracle.jdbc. driver.OracleDriver problem


You need to include the ojdbc14.jar file in your Deployment Assembly in your project. Using eclipse :

proj --> properties --> Deployment Assembly --> Add --> Add your jar file.


I want to add that in my project I had to change from:

String driverName = "oracle.jdbc.driver.OracleDriver";

to

String driverName = "oracle.jdbc.OracleDriver";

I am using Oracle Database 11g Release 2.

0

精彩评论

暂无评论...
验证码 换一张
取 消