OK, I followed your instruction to invoke the servlet class file, but I got errors.
the url is http://10.1.9.1:8080/DBTest/CreateCustomerServlet Errors are: HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: Error allocating a servlet instance org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874) org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) java.lang.Thread.run(Unknown Source) root cause java.lang.UnsupportedClassVersionError: Bad version number in .class file java.lang.ClassLoader.defineClass1(Native Method) java.lang.ClassLoader.defineClass(Unknown Source) java.security.SecureClassLoader.defineClass(Unknown Source) org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1853) org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:875) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1330) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1209) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874) org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) java.lang.Thread.run(Unknown Source) note The full stack trace of the root cause is available in the Apache Tomcat/5.5.26 logs. It looks like it invoked the class, but... not sure... Thanks Sam > ----- 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] >
