Seems like you're using the JDBC-ODBC bridge. Try changing
<%Class.forName("Driver");%> to <%
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); %>
Is the PC you're using named localhost? If not, change <%String
url="jdbc:odbc:localhost";%> to <% String url="jdbc:odbc:urComputerName"; %>
HTH,
Mio Nino P. Marquez
(JSP/Servlet/Java newbie)
----- Original Message -----
From: "JEANCHG" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, November 07, 2000 4:05 PM
Subject: JSP connects to DB
> I am new to this field, so I have some silly questions here.
>
> Can I call directly the method in JDBC classes in my jsp file to connect
to
> my database, or it is necessary to write a connection bean to connect the
> DB.
>
> My JSP source code:
>
> <%@ page language="java" %>
> <%@ page import="java.lang.*" %>
> <%@ page import="java.sql.*" %>
> <%@ page contentType="text/html; charset=Big5" %>
> <%Class.forName("Driver");%>
> <%String url="jdbc:odbc:localhost";%>
> <%Connection con=DriverManager.getConnection(url,"1234567890","1111");%>
> <%Statement stmt =con.createStatement();%>
> <%String test="select * from tbl_eDN";%>
> <%ResultSet rs=stmt.executeQuery(test);%>
>
> But the error message on the web page is:
>
> Error: 500
> Location: /examples/jsp/jean/DBtest.jsp
> Internal Servlet Error:
>
> javax.servlet.ServletException: Unable to load class Driver
> at
>
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp
> l.java:386)
> at
>
jsp.jean._0002fjsp_0002fjean_0002fDBtest_0002ejspDBtest_jsp_0._jspService(_0
> 002fjsp_0002fjean_0002fDBtest_0002ejspDBtest_jsp_0.java:111)
> at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
>
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
> va:174)
> at
> org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
> at
org.apache.jasper.runtime.JspServlet.service(JspServlet.java:369)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
>
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:503)
> at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
> at
>
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
> (Ajp12ConnectionHandler.java:156)
> at
>
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java:338
> )
> at java.lang.Thread.run(Thread.java:484)
>
> Root cause:
> java.lang.ClassNotFoundException: Unable to load class Driver
> at
org.apache.jasper.runtime.JspLoader.findClass(JspLoader.java:184)
> at
org.apache.jasper.runtime.JspLoader.loadClass(JspLoader.java:136)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:120)
> at
>
jsp.jean._0002fjsp_0002fjean_0002fDBtest_0002ejspDBtest_jsp_0._jspService(_0
> 002fjsp_0002fjean_0002fDBtest_0002ejspDBtest_jsp_0.java:72)
> at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
>
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
> va:174)
> at
> org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
> at
org.apache.jasper.runtime.JspServlet.service(JspServlet.java:369)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
>
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:503)
> at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
> at
>
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
> (Ajp12ConnectionHandler.java:156)
> at
>
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java:338
> )
> at java.lang.Thread.run(Thread.java:484)
>
> Thanks
>
>
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>
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>
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Some relevant FAQs on JSP/Servlets can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
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