servlet不能运行，大家帮忙看看

2002-07-27 03:12:08 101 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

unit07-Servlet Servlet概述什么是Servlet? Servlet是由SUN公司提供的一门动态Web资源开发技术静态Web资源：不同的人，在不同的条件下访问后看到的是相同的效果，这样的资源叫做静态Web资源（html、css、js等）动态Web资源：在不同的访问条件下看到的是不同的效果，这样的资源叫做动态Web资源（Servlet、jsp、.NET、PHP等） Servlet本质上是一段Java程序，和之前的Java程序不同的是，Servlet程序无法独立运行，需要将Servlet程序放在服务... 阅读详情

web.xml里的配置：
<servlet>
<servlet-name>
techsupport
</servlet-name>
<servlet-class>
techsupport
</servlet-class>
</servlet>

<servlet-mapping>
<servlet-name>
techsupport
</servlet-name>
<url-pattern>
/techsupport
</url-pattern>
</servlet-mapping>

classes目录中techsupport.java
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import sun.net.smtp.SmtpClient;
import com.wrox.util.*;

public class techsupport extends HttpServlet
{
String message,msgFrom ,msgTo,msgSubject;
public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException,ServletException
{
res.setContentType("text/html");
PrintWriter out=res.getWriter();
getParameters(req);

if(!sendMail())
{
res.sendError(res.SC_INTERNAL_SERVER_ERROR,
"An error occured while attemption to access the main srver");
return;
}
HTML h =new HTML("XYZ corporation IT D epartment");
h.add(HTML.HEADING,"Your requet has been submitted",false);
out.println(h.getPage());
out.close();
}

private void getParameters(HttpServletRequest req)throws ServletException,IOException
{
StringBuffer tempStringBuffer=new StringBuffer(1024);
msgSubject="Tech Support Request";
msgTo="zrhk@21cn.com";
msgFrom=req.getParameter("txtEmail");

tempStringBuffer.append("From: ");
tempStringBuffer.append(req.getParameter("txtFirst"));
tempStringBuffer.append(" ");
tempStringBuffer.append(req.getParameter("txtLast"));
tempStringBuffer.append("\n");
tempStringBuffer.append("Phone: ");
tempStringBuffer.append(req.getParameter("txtPhone"));
tempStringBuffer.append("\n");
tempStringBuffer.append("Email: ");
tempStringBuffer.append(req.getParameter("txtEmail"));
tempStringBuffer.append("\n\n");
tempStringBuffer.append("Software: ");
tempStringBuffer.append(req.getParameter("ddlb_software"));
tempStringBuffer.append("\n");
tempStringBuffer.append("OS: ");
tempStringBuffer.append(req.getParameter("ddlb_os"));
tempStringBuffer.append("\n");
tempStringBuffer.append("Problem: ");
tempStringBuffer.append(req.getParameter("txtProblem"));
tempStringBuffer.append("\n");
message=tempStringBuffer.toString();
}
private boolean sendMail()
{
PrintStream out;
SmtpClient send;
try
{
send=new SmtpClient("21cn.com");
send.from(msgFrom);
send.to(msgTo);
out=send.startMessage();
out.println("From: "+msgFrom);
out.println("To: "+msgTo);
out.println("Subject: "+msgSubject);
out.println("\n--------------------------\n");
out.println(message);
out.println("\r\n");
out.println("\n--------------------------\n");
out.flush();
out.close();
send.closeServer();
}
catch(IOException e)
{
log("Error occurred while sending mail",e);
return false;
}
return true;
}
}
编译完全通过了

可是在运行时
http://localhost:8080/techsupport时
出现如下错误
***********************************************************************
Apache Tomcat/4.0.4 - HTTP Status 405 - HTTP method GET is not supported by this URL

--------------------------------------------------------------------------------

type Status report

message HTTP method GET is not supported by this URL

description The specified HTTP method is not allowed for the requested resource (HTTP method GET is not supported by this URL).

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