dubbo服务消费方测试运行的时候报错：FactoryBean threw exception on object creation；UnsatisfiedDependencyException

2023-10-31 10:31:28

启动服务提供方的时候没问题，正常能运行，但是进行测试（服务消费方）的时候就报错了，请各位帮忙看看，这问题研究了2天了，还没搞定
报错的全部内容：（下面有工程的全部代码和使用的依赖和版本信息）

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'cn.tx.test.ConsumerTest': Unsatisfied dependency expressed through field 'userService'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userService': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalStateException: Can't assign requested address

	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1268)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:386)
	at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:118)
	at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83)
	at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:230)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:228)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:287)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:289)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:247)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userService': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalStateException: Can't assign requested address
	at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:177)
	at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:103)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1640)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:254)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.addCandidateEntry(DefaultListableBeanFactory.java:1316)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1282)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1101)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585)
	... 27 more
Caused by: java.lang.IllegalStateException: Can't assign requested address
	at com.alibaba.dubbo.registry.multicast.MulticastRegistry.<init>(MulticastRegistry.java:116)
	at com.alibaba.dubbo.registry.multicast.MulticastRegistryFactory.createRegistry(MulticastRegistryFactory.java:31)
	at com.alibaba.dubbo.registry.support.AbstractRegistryFactory.getRegistry(AbstractRegistryFactory.java:96)
	at com.alibaba.dubbo.registry.RegistryFactory$Adaptive.getRegistry(RegistryFactory$Adaptive.java)
	at com.alibaba.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:272)
	at com.alibaba.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:63)
	at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:65)
	at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:106)
	at com.alibaba.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
	at com.alibaba.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:394)
	at com.alibaba.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:333)
	at com.alibaba.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:163)
	at com.alibaba.dubbo.config.spring.ReferenceBean.getObject(ReferenceBean.java:66)
	at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:170)
	... 37 more
Caused by: java.net.SocketException: Can't assign requested address
	at java.net.PlainDatagramSocketImpl.join(Native Method)
	at java.net.AbstractPlainDatagramSocketImpl.join(AbstractPlainDatagramSocketImpl.java:178)
	at java.net.MulticastSocket.joinGroup(MulticastSocket.java:323)
	at com.alibaba.dubbo.registry.multicast.MulticastRegistry.<init>(MulticastRegistry.java:89)
	... 50 more

服务接口 UserService.interface

package cn.tx.service;

public interface UserService {

    public String seyHello(String msg);
}

服务提供方-实现类UserServiceImpl.java

package cn.tx.service.impl;

import cn.tx.service.UserService;

public class UserServiceImpl implements UserService {

    public String seyHello(String msg) {
        System.out.println("远程调用服务："+msg);
        return "hello:"+msg;
    }
}

服务提供方-启动服务的类

package cn.tx.boot;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.io.IOException;

public class UserServletBoot {
    public static void main(String[] args) throws IOException {
        //加载spring的配置文件，容器已经启动了，注册地址了
        ClassPathXmlApplicationContext ac = new ClassPathXmlApplicationContext("classpath:dubbo_provider.xml");
        // 阻塞
        System.in.read();
    }
}

服务提供方-配置文件dubbo_provider.xml

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
      http://code.alibabatech.com/schema/dubbo
      http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!--应用名称-->
    <dubbo:application name="userService_provider"/>
    <!--注册中心地址-->
    <dubbo:registry address="multicast://224.5.6.7:1234"/>
    <!--指定协议和端口号-->
    <dubbo:protocol name="dubbo" port="20880"/>
    <!--发布服务接口-->
    <dubbo:service interface="cn.tx.service.UserService" ref="userService"/>
    <!--使用bean管理实现类-->
    <bean id="userService" class="cn.tx.service.impl.UserServiceImpl"/>

</beans>

服务消费方-配置文件dubbo-consumer.xml

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
      http://code.alibabatech.com/schema/dubbo
      http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!--应用名称-->
    <dubbo:application name="userService_consumer"/>
    <!--注册中心地址-->
    <dubbo:registry address="multicast://224.5.6.7:1234"/>
    <!--指定接口-->
    <dubbo:reference interface="cn.tx.service.UserService" id="userService"/>


</beans>

服务消费方-启动测试ConsumerTest.java

package cn.tx.test;

import cn.tx.service.UserService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:dubbo_consumer.xml")
public class ConsumerTest {

    @Autowired
    private UserService userService;

    @Test
    public void run1(){
        String msg = userService.seyHello("拓新教育");
        System.out.println(msg);
    }
}

工程结构
dubbo服务消费方测试运行的时候报错：FactoryBean threw exception on object creation；UnsatisfiedDependencyException
maven引入的依赖如下：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>cn.tx</groupId>
    <artifactId>tx_dubbo_parent</artifactId>
    <version>1.0-SNAPSHOT</version>
    <modules>
        <module>tx_dubbo_common</module>
        <module>tx_dubbo_provider</module>
        <module>tx_dubbo_consumer</module>
    </modules>

    <packaging>pom</packaging>

    <dependencies>
        <!--dubbo-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <version>2.6.2</version>
        </dependency>

        <!--zookeeper-->
        <dependency>
            <groupId>com.101tec</groupId>
            <artifactId>zkclient</artifactId>
            <version>0.9</version>
        </dependency>
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>3.4.9</version>
            <exclusions>
                <exclusion>
                    <groupId>log4j</groupId>
                    <artifactId>log4j</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!--日志-->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.16</version>
        </dependency>

        <!--单元测试-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>

        <!--spring整合单元测试-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.3.16.RELEASE</version>
            <scope>test</scope>
        </dependency>

    </dependencies>


</project>

IDEA的版本是2017.3
jdk是1.8
maven版本是apache-maven-3.5.3

请各位大神帮忙看看，万分感谢！！！

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