status code = 404, status message = [Not Found]_code": 404, "message": "not found", "errors": [ {

Caused by: java.io.IOException: Did not receive successful HTTP response: status code = 404, status message = [Not Found]

求救 服务器端可以正常启动 但是客户端启动时报错 404 找了几个小时 依然无解

具体报错如下图

服务端

文件结构

依赖

 <properties>
        <spring.version>4.0.7.RELEASE</spring.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>5.0.4.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.0.4.RELEASE</version>
        </dependency>
    </dependencies>
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配置文件 spring-mvc.xml

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
    
    <bean class="com.song.service.HttpServiceImpl" id="httpService"/>
    <bean id="csmDataCountService" name="/song"  class="org.springframework.remoting.httpinvoker.HttpInvokerServiceExporter">
        <property name="service" ref="httpService"/>
        <property name="serviceInterface" value="com.song.service.HttpService"/>
    </bean>
    <!-- 远程服务的URL ，key值表示客户端请求的地址-->
    <bean  class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <property name="mappings">
            <props>
                <prop key="/song">csmDataCountService</prop>
            </props>
        </property>
    </bean>
</beans>
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web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
    <servlet>
        <servlet-name>spring-mvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>spring-mvc</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping>
</web-app>
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domain

package com.song.domain;

import java.io.Serializable;

public class Persion implements Serializable{
    private int age;
    private String name;

//setter和getter 省略了
    }
}

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接口和实现

package com.song.service;

import com.song.domain.Persion;

public interface HttpService {
    Persion say();
}
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package com.song.service;

import com.song.domain.Persion;

public class HttpServiceImpl implements HttpService {
    public Persion say() {
        Persion persion = new Persion();
        persion.setAge(12);
        persion.setName("song");
        return persion;
    }
}

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客户端

文件结构

依赖

<properties>
        <spring.version>4.0.7.RELEASE</spring.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.0.7.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.13</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>5.0.4.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>5.0.4.RELEASE</version>
        </dependency>
    </dependencies>
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配置文件 spring.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd"
       default-lazy-init="true">

    <bean id="httpService"  name="httpService" class="org.springframework.remoting.httpinvoker.HttpInvokerProxyFactoryBean">
        <property name="serviceUrl">
            <value>http://127.0.0.1:8081/song/song</value>
        </property>
        <property name="serviceInterface">
            <value>com.song.service.HttpService</value>
        </property>
    </bean>

</beans>
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测试代码

public class HttpTest {
    public static void main(String[] args) {
        ApplicationContext applicationContext=new ClassPathXmlApplicationContext("classpath:spring.xml");
        Object httpService = applicationContext.getBean("httpService");
        HttpService hs=(HttpService)httpService;
        Persion say = hs.say();
        System.out.println(say);
    }
}

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