On 22 sep, 07:03, "er.9...@yahoo.com.cn" <er.9...@yahoo.com.cn> wrote:
> Hi,
> I got "Http 404 : The requested resource is unavailable" when I
> run my project.
>
> What I did is that 1. web.xml.
>
> <servlet>
> <servlet-name>databaseServlet</servlet-name>
> <servlet-class>org.yournamehere.databaseServlet</servlet-
> class>
> </servlet>
> <servlet-mapping>
> <servlet-name>databaseServlet</servlet-name>
> <url-pattern>/databaseServlet</url-pattern>
> </servlet-mapping>
>
> 2. gwt.xml
> <servlet class="org.yournamehere.databaseServlet" path="/
> databaseServlet"/>
>
> 3. in the client side
> setAction("/databaseServlet")
>
> in onSubmitComplete method, I used Window.alert(event.getResults
> ()) , so I can get some information from server. (Http 404..)
>
> However, when I tried to access the servlet directly by "http://
> localhost:8080/MyTest/databaseServlet" , it does work.(I did not get
> 404 error.). I am very confused if I missed something important , or
> anything wrong in my application. By the way, I am using glassfish 2.1
> server.
>
> Anyone can help me to fix this error? Thank you!
Your setAction() call uses an absolute path; because it's client side
code, it's unaware of the servlet context, so it really resolves to
http://localhost:8080/databaseServlet.
Try prefixing it with GWT.getHostPageBaseURL()
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