我刚刚安装了apache tomcat,测试installtion确实显示“成功安装”apache页面。我没有任何问题执行HelloWorld示例。所以,现在,我创建了自己的Web应用程序\apache-tomcat-XXX\webapps\mine
下有以下2子文件夹:
\apache-tomcat-XXX\webapps\mine\classes
我创建了一个新的类文件HelloWorldAgain.java
有以下内容:
import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* My test servlet
*
* @author Liz Warner
*/
public class Hi extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>Hola</title>");
out.println("</head>");
out.println("<body bgcolor=\"white\">");
out.println("<h1> Hi </h1>");
out.println("</body>");
out.println("</html>");
}
}
然而,当我从命令行编译代码,我得到的错误与
> Hi.java:4: package javax.servlet does not exist
import javax.servlet.*;
^
Hi.java:5: package javax.servlet.http does not exist
import javax.servlet.http.*;
^
Hi.java:13: cannot find symbol
symbol: class HttpServlet
public class Hi extends HttpServlet {
^
Hi.java:15: cannot find symbol
symbol : class HttpServletRequest
location: class Hi
public void doGet(HttpServletRequest request,
^
Hi.java:16: cannot find symbol
symbol : class HttpServletResponse
location: class Hi
HttpServletResponse response)
^
Hi.java:17: cannot find symbol
symbol : class ServletException
location: class Hi
throws IOException, ServletException
我已经设置了以下environement(Windows XP中ENV)变量:
JAVA_HOME:C:\ Program Files文件\的Java \ jdk1.6.0_21 CATALINA_HOME:C:\的Apache Tomcat \ Apache的Tomcat的7.0。 22
要开始使用Java-ee,我强烈建议使用最新的Netbeans 7.0 EE版本,因为它与Glassfish服务器捆绑在一起。 Youtube上有一些关于入门的官方视频。 – ustun