springboot整合dubbo

   org.springframework.boot
    spring-boot-starter-parent
    2.6.3
     



 1.8


    
        org.springframework.boot
        spring-boot-starter
    

    
        org.springframework.boot
        spring-boot-starter-test
        test
    

    
        org.apache.dubbo
        dubbo-spring-boot-starter
        2.7.6
    

public interface DemoService {
    String sayHello(String name);
}

import com.example.springbootdubbo.service.DemoService;
import org.apache.dubbo.rpc.RpcContext;

import java.text.SimpleDateFormat;
import java.util.Date;


public class DemoServiceImpl implements DemoService {

    @Override
    public String sayHello(String name) {
        System.out.println("["+new SimpleDateFormat("HH:mm:ss").format(new Date()) +"] " +
                "Hello " + name + ", request from consumer: " + RpcContext.getContext().getRemoteAddress());
        return "Hellot" + name + ",tresponse from provider:t" + RpcContext.getContext().getLocalAddress();
    }
}

import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.util.concurrent.CountDownLatch;


public class DemoProvider {
    public static void main(String[] args) throws InterruptedException {
        ClassPathXmlApplicationContext context
                = new ClassPathXmlApplicationContext("dubbo-provider.xml");
        context.start();
        System.out.println("dubbo service started");
        new CountDownLatch(1).await();
    }
}

import com.example.springbootdubbo.service.DemoService;
import org.springframework.context.support.ClassPathXmlApplicationContext;


public class DemoConsumer {
    public static void main(String[] args) {
        ClassPathXmlApplicationContext context
                = new ClassPathXmlApplicationContext("dubbo-consumer.xml");
        context.start();
        DemoService demoService = (DemoService) context.getBean("demoService");
        String hello = demoService.sayHello("world");
        System.out.println(hello);
    }
}

本来是准备用spring直接搭dubbo的，但网上没找到spring5.x版本和dubbo的对应版本，就准备先用springboot和dubbo的搭配启起来后，再用对应的依赖版本整spring与dubbo的搭配，目前还是失败，先记录下，后续看问题所在

二月 03, 2022 9:19:22 上午 org.springframework.context.support.AbstractApplicationContext prepareRefresh
信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@79fc0f2f: startup date [Thu Feb 03 09:19:22 CST 2022]; root of context hierarchy
Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/core/ErrorCoded
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at org.springframework.context.support.AbstractRefreshableApplicationContext.createBeanFactory(AbstractRefreshableApplicationContext.java:200)
	at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:126)
	at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:614)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:515)
	at org.springframework.context.support.ClassPathXmlApplicationContext.(ClassPathXmlApplicationContext.java:139)
	at org.springframework.context.support.ClassPathXmlApplicationContext.(ClassPathXmlApplicationContext.java:83)
	at com.example.rpcdemo.DemoProvider.main(DemoProvider.java:15)
Caused by: java.lang.ClassNotFoundException: org.springframework.core.ErrorCoded
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 31 more