import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*; public class HelloServlet extends HttpServlet
{
public void service(HttpServletRequest request,
HttpServletResponse response)throws ServletException,IOException
{
PrintWriter out=response.getWriter();
out.println(" <html>");
out.println(" <font size=30 color=red>www.it315.org </font> <br>");
out.println(" <marquee>"+new Date()+" </marquee>");
out.println(" </html>");
}
}
我在tomcat /webapp/myapp/WEB-INF/classes目录下放了HelloServlet.class文件,web.xml文件配置如下
<Web-app>
<servlet>
<servlet-name>hello </servlet-name>
<servlet-class>HelloServlet </servlet-class>
</servlet> <servlet-mapping>
<servlet-name>hello </servlet-name>
<url-pattern>/hello.html </url-pattern>
</servlet-mapping>
</Web-app>
在浏览器中输入http://localhost:8080/myapp/hello.html总是出现HTTP Status 404 - /myapp/hello.html
description The requested resource (/myapp/hello.html) is not available. 看了很多帖子,也不知道究竟错在什么对方,怎么改。
诚心请教!!!
import javax.servlet.http.*;
import java.io.*;
import java.util.*; public class HelloServlet extends HttpServlet
{
public void service(HttpServletRequest request,
HttpServletResponse response)throws ServletException,IOException
{
PrintWriter out=response.getWriter();
out.println(" <html>");
out.println(" <font size=30 color=red>www.it315.org </font> <br>");
out.println(" <marquee>"+new Date()+" </marquee>");
out.println(" </html>");
}
}
我在tomcat /webapp/myapp/WEB-INF/classes目录下放了HelloServlet.class文件,web.xml文件配置如下
<Web-app>
<servlet>
<servlet-name>hello </servlet-name>
<servlet-class>HelloServlet </servlet-class>
</servlet> <servlet-mapping>
<servlet-name>hello </servlet-name>
<url-pattern>/hello.html </url-pattern>
</servlet-mapping>
</Web-app>
在浏览器中输入http://localhost:8080/myapp/hello.html总是出现HTTP Status 404 - /myapp/hello.html
description The requested resource (/myapp/hello.html) is not available. 看了很多帖子,也不知道究竟错在什么对方,怎么改。
诚心请教!!!
http://localhost:8080/myapp/hello
<servlet-name>hello </servlet-name>
<servlet-class>HelloServlet </servlet-class>
</servlet> <servlet-mapping>
<servlet-name>hello </servlet-name>
<url-pattern>/hello.html </url-pattern>
</servlet-mapping>你把里面的所有的空格都去掉。试一试,不行的话留言
web应该都小写,xml语言严格区分大小写感谢zl3450341的例子