我的web.xml配置有错误?谁能帮我看看错在那?在线等???
我的web.xml配置如下: <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
<description>
JSP应用开发详解
</description>
<display-name>Welcome to Resin</display-name>
<servlet>
<servlet-name>HelloWorldServlet</servlet-name>
<servlet-class>HelloWorldServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>HelloWorldServlet</servlet-name>
<url-pattern>/hello</url-pattern>
</servlet-mapping>
</web-app>
运行后提示的错误是::
WEB-INF/web.xml:3: <?xml ... ?> occurs after content. The <?xml ... ?>
prolog must be at the document start.
我改了多少次~~~~还是不不行?