Re: First Servlet 404 error

[Jim Si <Ji...@CalgaryHealthRegion.ca>]

Then I got HTTP Status 500 error

description The server encountered an internal error () that prevented it from
fulfilling this request.

exception

java.lang.IllegalArgumentException: Path welcome.jsp does not start with a "/"
character
        at
org.apache.catalina.core.ApplicationContext.getRequestDispatcher(ApplicationContext.java:1179)




Stuart MacPherson wrote:

> Tomcat can usually find JSPs very easily.  Is welcome.jsp also in
> CATALINA_HOME/webapps/onjava/ ?  Try the following:
>
> private String target = "welcome.jsp";
>
> If 'onjava' is your namespace then this might work.
>
> -----Original Message-----
> From: Jim Si [mailto:Jim.Si@CalgaryHealthRegion.ca]
> Sent: 29 August 2003 19:04
> To: Tomcat Users List
> Cc: Stuart MacPherson
> Subject: Re: First Servlet 404 error
>
> Thank you Stuart for your great help.
>
> HellowWorld servlet works! But I still have one problem.
>
> I got login.jsp in the webapps\onjava directory.  It has
>     <form name="loginForm" method="POST" action="servlet/com.onjava.login">
>
> In login.java, it has
>  private String target = "/welcome.jsp";
> ...
>   // Forward the request to the target named
>   ServletContext context = getServletContext();
>   RequestDispatcher dispatcher = context.getRequestDispatcher(target);
>   dispatcher.forward(request, response);
>
> In welcome.jsp, it has very simple return statement.
>    <b>Welcome : <%= request.getAttribute("USER")
>
> In webapps\onjava\Web-inf\web.xml, I have
> <servlet>
> <servlet-name>login</servlet-name>
> <servlet-class>com.onjava.login</servlet-class>
> </servlet>
>
> <servlet-mapping>
> <servlet-name>login</servlet-name>
> <url-pattern>/servlet</url-pattern>
> </servlet-mapping>
>
> In a browser, I use http://localhost:8080/onjava/login.jsp and I got the
> login
> screen, then click on submit button.  I got the following error.
>
> HTTP Status 404 - /welcome.jsp
> description The requested resource (/welcome.jsp) is not available.
>
> Look like it runs the login class, how do I correct this problem?  Thank
> you.
>
> > Also, make sure your HelloWorld servlet is mapped-in in your webapps
> > deployment descriptor.  By the way, the folder should be called WEB-INF
> not
> > web-inf.
> >
>
> Windows somehow change WEB-INF to Web-inf automatically.  I could not use
> WEB-INF.
>
> Jim
>
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