编译Java Servlet程序时出错

Question

I have created a java servlet program name FirstServlet . 我创建了一个Java Servlet程序名称FirstServlet 。

I put it on Tomcat 7.0\\webapps\\ROOT\\WEB-INF\\classes\\FirstServlet.java and also I set the class path for servlet-api.jar but when I compile it 我将其放在Tomcat 7.0 \\ webapps \\ ROOT \\ WEB-INF \\ classes \\ FirstServlet.java上，并且还设置了servlet-api.jar的类路径，但是在编译时

I am finding some error. 我发现一些错误。

Code is : 代码是：

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class FirstServlet extends HttpServlet {

   // Runs when the servlet is loaded onto the server.
   public void init() {
      //......
   }

   public void doGet(HttpServletRequest request, HttpServletResponse response)
         throws IOException, ServletException {

      // Set the MIME type for the response message
      response.setContentType("text/html");
      // Write to network
      PrintWriter out = response.getWriter();

      // Your servlet's logic here
      out.println("<html>");
      out.println(" ...... ");
      out.println("</html>");
   }


   public void doPost(HttpServletRequest request, HttpServletResponse response)
         throws IOException, ServletException {
      // do the same thing as HTTP GET request
      doGet(request, response);
   }

   public void destroy() {
    //  ......
   }

}

error is : 错误是：

在此处输入图片说明

Answer 1

You aren't actually providing a classpath entry to the javac program. 您实际上并没有向javac程序提供类路径条目。 The servlet-api.jar is usually included in the lib folder of the Tomcat installation. servlet-api.jar通常包含在Tomcat安装的lib文件夹中。

Run it like 像这样运行

javac -cp "C:\Program Files\Apache Software Foundation\Tomcat 7.0\lib\servlet-api.jar" FirstServlet.java

You would have a much easier (and generally better) time if you used an IDE like Eclipse, Netbeans, or IntelliJ. 如果使用诸如Eclipse，Netbeans或IntelliJ之类的IDE，您的时间会容易得多（通常更好）。

Also, don't use the default package. 另外，请勿使用默认程序包。

编译Java Servlet程序时出错

问题描述

1 个解决方案

解决方案1
2 已采纳 2013-09-25 17:40:50

编译Java Servlet程序时出错

问题描述

1 个解决方案

解决方案1 2 已采纳 2013-09-25 17:40:50

解决方案1
2 已采纳 2013-09-25 17:40:50