BTW, where should I place the web.xml file in the tomcat server? The web (root) execution path of my tomcat server is:
/tomcat/apache-tomcat-5.5.26/webapps/DBTest Thanks Sam > ----- Original Message ----- > From: sam wun > Sent: 28/08/08 02:45 am > To: Tomcat Users List, Tomcat Users List > Subject: Re: Re: Can't execute servlet project > > HI there, > > > > I managed to fix the jdk version error, now it comes with a different > error. > > The url I am trying to put on the firefox browser is > > http://10.1.9.1:8080/DBTest/CreateCustomerServlet > > > > > > The error is: > > TTP Status 500 - > > type Exception report > > message > > description The server encountered an internal error () that prevented it > from fulfilling this request. > > exception javax.servlet.ServletException: Cannot create JDBC driver of > class '' for connect URL 'null' > servlet.CreateCustomerServlet.doGet(CreateCustomerServlet.java:38) > javax.servlet.http.HttpServlet.service(HttpServlet.java:690) > javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > > root cause org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create > JDBC driver of class '' for connect URL 'null' > > > org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1150) > > > org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) > command.CommandExecutor.getConnection(CommandExecutor.java:54) > command.CommandExecutor.executeDatabaseCommand(CommandExecutor.java:38) > servlet.CreateCustomerServlet.doGet(CreateCustomerServlet.java:33) > javax.servlet.http.HttpServlet.service(HttpServlet.java:690) > javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > > root cause java.sql.SQLException: No suitable driver > java.sql.DriverManager.getDriver(Unknown Source) > > > org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1143) > > > org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) > command.CommandExecutor.getConnection(CommandExecutor.java:54) > command.CommandExecutor.executeDatabaseCommand(CommandExecutor.java:38) > servlet.CreateCustomerServlet.doGet(CreateCustomerServlet.java:33) > javax.servlet.http.HttpServlet.service(HttpServlet.java:690) > javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > > note The full stack trace of the root cause is available in the Apache > Tomcat/5.5.26 logs. > > ----- Original Message ----- > > From: David Smith > > Sent: 28/08/08 12:44 am > > To: Tomcat Users List > > Subject: Re: Can't execute servlet project > > > > Looks normal .. you won't get a file named CreateCustomerServlet under > > DbTest. You should get a class named CreateCustomerServlet.class in > > WEB-INF/classes/servlet. That class will be called when your webapp > > receive's a request for > > http://localhost:8080/DbTest/CreateCustomerServlet (assuming tomcat was > > installed with listening on port 8080 and it's installed on your local > > workstation). That's what the <servlet-mapping> ... </servlet-mapping> > > part of web.xml is all about -- mapping URLs to servlets. > > > > > > --David > > > > sam wun wrote: > > > I got a similar web.xml, but the is different. > > > > > > Here is the entire content of my web.xml. > > > > > > > > > > > > <?xml version="1.0" encoding="UTF-8"?> > > > <web-app id="WebApp_ID" version="2.4" > > > xmlns="http://java.sun.com/xml/ns/j2ee"; > > > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > > > xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee > > > http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";> > > > <display-name> > > > DBTest</display-name> > > > <servlet> > > > <description> > > > Servlet to create customers</description> > > > <display-name> > > > CreateCustomerServlet</display-name> > > > <servlet-name>CreateCustomerServlet</servlet-name> > > > <servlet-class> > > > servlet.CreateCustomerServlet</servlet-class> > > > </servlet> > > > <servlet-mapping> > > > <servlet-name>CreateCustomerServlet</servlet-name> > > > <url-pattern>/CreateCustomerServlet</url-pattern> > > > </servlet-mapping> > > > <welcome-file-list> > > > <welcome-file>index.html</welcome-file> > > > <welcome-file>index.htm</welcome-file> > > > <welcome-file>index.jsp</welcome-file> > > > <welcome-file>default.html</welcome-file> > > > <welcome-file>default.htm</welcome-file> > > > <welcome-file>default.jsp</welcome-file> > > > </welcome-file-list> > > > <resource-ref> > > > <description>DB Connection</description> > > > <res-ref-name>jdbc/TestDB</res-ref-name> > > > <res-type>javax.sql.DataSource</res-type> > > > <res-auth>Container</res-auth> > > > </resource-ref> > > > </web-app> > > > > > > > > > > > > However, I don't see "CreateCustomerServlet" copied into my DBTest > > folder > > > in the linux(tomcat) server. > > > > > > Here is the project directory listing of my tomcat server (in linux): > > > > > > linux:~/tomcat/apache-tomcat-5.5.26/webapps/DBTest # ls > > > . .. META-INF WEB-INF customers.jsp > > > > > > > > > > > > Thanks > > > > > > Sam > > > > > > > > > > > > > > > > > > > > > > > > > > >> ----- Original Message ----- > > >> From: David Smith > > >> Sent: 27/08/08 11:29 pm > > >> To: Tomcat Users List > > >> Subject: Re: Can't execute servlet project > > >> > > >> But if you followed the tutorial, there should be a servlet mapping > in > > >> your web.xml looking like what I copied and pasted from the article > > >> below: > > >> > > >> <servlet> > > >> <description>Create Customers Servlet</description> > > >> <display-name>ListCustomers</display-name> > > >> <servlet-name>ListCustomers</servlet-name> > > >> <servlet-class>servlet.ListCustomersServlet</servlet-class> > > >> </servlet> > > >> <servlet-mapping> > > >> <servlet-name>ListCustomers</servlet-name> > > >> <url-pattern>/ListCustomers</url-pat-tern> > > >> </servlet-mapping> > > >> > > >> This defines a servlet in the <servlet> element and then defines the > > >> URLs this servlet should service in the <servlet-mapping> element. > In > > >> this case there doesn't need to be a physical file named > ListCustomers > > >> in the top level of the DbTest webapp. > > >> > > >> Your tutorial was very much geared to showing you how Eclipse works, > > >> more or less assuming you had some familiarity with servlet and/or > > java > > >> programming. I would recommend finding some tutorial material that > > >> focuses on servlet/jsp programming, ignoring IDEs like Eclipse. > > >> > > >> --David > > >> > > >> sam wun wrote: > > >> > > >>> HI there, > > >>> > > >>> > > >>> > > >>> It sounds logical, but there is no LIstCustomers in the DBTest > > folder. > > >>> > > >>> > > >>> > > >>> Thanks > > >>> > > >>> Sam > > >>> > > >>> > > >>> > > >>> > > >>> > > >>>> ----- Original Message ----- > > >>>> From: David Smith > > >>>> Sent: 27/08/08 09:59 pm > > >>>> To: Tomcat Users List > > >>>> Subject: Re: Can't execute servlet project > > >>>> > > >>>> I see .... the jsp is a view and as such wasn't designed to be run > > on > > >>>> it's own. Try http://localhost/DBTest/ListCustomers in your > > browser. > > >>>> That should hit the servlet which in turn should generate the > > required > > >>>> bean and forward the user to your jsp. > > >>>> > > >>>> --David > > >>>> > > >>>> > > >>>> sam wun wrote: > > >>>> > > >>>> > > >>>>> Hi, thanks for trying to help. > > >>>>> > > >>>>> I dont' have a clue on this *bean*. > > >>>>> > > >>>>> The entire tutorial doesn't mention about how to setup a bean... > > >>>>> > > >>>>> > > >>>>> > > >>>>> The tutorial I;ve followed is shown as below: > > >>>>> > > >>>>> http://java.sys-con.com/node/152270 > > >>>>> > > >>>>> > > >>>>> > > >>>>> > > >>>>> > > >>>>> Thanks > > >>>>> > > >>>>> Sam > > >>>>> > > >>>>> > > >>>>> > > >>>>> > > >>>>> > > > > > > --------------------------------------------------------------------- > > To start a new topic, e-mail: users@tomcat.apache.org > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > >
