Java Servlet 3.0 HTTP 404-请求的资源不可用_Java_Eclipse_Tomcat7_Servlet 3.0

Java Servlet 3.0 HTTP 404-请求的资源不可用

java eclipse

Java Servlet 3.0 HTTP 404-请求的资源不可用,java,eclipse,tomcat7,servlet-3.0,Java,Eclipse,Tomcat7,Servlet 3.0,我犯了一个错误 HTTP状态404-/WebServlet3.0/ 类型状态报告 message/WebServlet3.0/ 说明请求的资源不可用 ApacheTomcat/7.0.42 这是我的ServletAsync.java文件，位于src->com.example.servlet下 import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.We

我犯了一个错误

HTTP状态404-/WebServlet3.0/

类型状态报告

message/WebServlet3.0/

说明请求的资源不可用

ApacheTomcat/7.0.42

这是我的ServletAsync.java文件，位于src->com.example.servlet下

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class ServletAsync
 */

@WebServlet("/ServletAsync")
public class ServletAsync extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public ServletAsync() {
        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
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
    }

}

这是我的web.xml文件：

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    id="WebApp_ID" version="3.0">
    <display-name>WebServlet3.0</display-name>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>

</web-app>


WebServlet3.0
index.html
index.htm
index.jsp
default.html
default.htm
default.jsp

这是我的index.html文件：

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
    <form name="input" action="ServletAsync" method="get">
        Write a text : <input type="text" name="input"> <input
            type="submit" value="Submit">
    </form>
</body>
</html>


在此处插入标题
写一篇课文：

你能纠正我的问题吗。为什么我会出现这个错误以及如何解决它？我只想显示网页。

问题得到解决。我的项目名称是webservlet3.0，当我将项目名称更改为webservlet时，我的项目开始运行