创建servlet程序时出现如下错误

出现如下错误

HTTP Status 404 - /servelet/servelet

type Status report

message /servelet/servelet

description The requested resource is not available.

Apache Tomcat/8.0.39

java代码
package servelet;

import java.io.IOException;

import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class servelet implements Servlet
{
@Override
public void destroy() {
System.out.println("destroy");
// TODO Auto-generated method stub

}

@Override
public ServletConfig getServletConfig() {
    // TODO Auto-generated method stub
    System.out.println("getServletConfig");
    return null;
}

@Override
public String getServletInfo() {

    System.out.println("getServletInfo");
    return null;
}

@Override
public void init(ServletConfig arg0) throws ServletException {
    // TODO Auto-generated method stub
    System.out.println("init");
}

@Override
public void service(ServletRequest arg0, ServletResponse arg1) throws ServletException, IOException {
    // TODO Auto-generated method stub
    System.out.println("service");
}
public servelet() {
    System.out.println("Servelet");
    // TODO Auto-generated constructor stub
}

}

web.xml代码
<?xml version="1.0" encoding="UTF-8"?>
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
id="WebApp_ID" version="3.1">

hello!
servelet.servelet


hello!
/hello

新手求指点

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这是你连接数据库的路径有问题。