我在Ubuntu 14.04上使用Eclipse 4.3 kepler,并使用Apache tomcat 7,已经在项目中成功创建了.jsp和.html文件,但无法运行servlet,我在library中添加了所有jar文件。我已经阅读了有关此错误404的每篇文章,当我启动以下servlet时会收到该文章
package servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/taxProcessor")
public class taxProcessor extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public taxProcessor() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
String s=request.getParameter("t1");
int i=Integer.parseInt(s);
String s1=request.getParameter("t2");
int a=Integer.parseInt(s1);
int t=0;
if(i>=500000)
{
t=i*(30/100);
}else if(i>=300000)
{
t=i*(20/100);
}else if(i>=200000)
{
t=i*(10/100);
}
if(a>=60)
{
t=t-(i*(10/100));
}
PrintWriter out=response.getWriter();
out.println("Thank you for Visiting");
out.println("Your Tax Laibality is"+t+"\n");
out.close();
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
}
}
我的web.xml文件是
而我得到的就是这个
而不是在web.xml中web.servlets.newtax.taxProcessor.java
使用web.servlets.newtax.taxProcessor
顺便说一句,您的包名称就是servlet
您web.servlets.newtax
在servlet-class标记中给出的方式
例如,如果在eclipse中,您的servlet类位于其中,src/somePackageName/ServletClassName
则您的web.xml必须包含这样的条目
<servlet>
<servlet-name>anyName</servlet-name>
<servlet-class>somePackageName.ServletClassName</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>anyName</servlet-name>
<url-pattern>/taxProcessor</url-pattern>
</servlet-mapping>
在web.xml中指定条目时,还有另一件事可以删除注释@WebServlet("/taxProcessor")
最后以以下方式运行servlet: http://localhost:8080/YourProjectName/taxProcessor
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