记录使用spring-cloud-starter-alibaba-nacos-config 注册到 nacos 时配置问题。

╰+攻爆jí腚メ 2023-03-12 09:24 6阅读 0赞

> **这里记录如何实现把消费者注册到Nacos并使用Nacos提供的配置管理。**

**报错提示：**

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'scopedTarget.echoController': Injection of @Reference dependencies is failed; nested exception is java.lang.IllegalStateException: No registry config found or it's not a valid config! The registry config is: <dubbo:registry valid="false" zookeeperProtocol="false" prefix="dubbo.registry" />
    	at org.apache.dubbo.config.spring.beans.factory.annotation.AnnotationInjectedBeanPostProcessor.postProcessPropertyValues(AnnotationInjectedBeanPostProcessor.java:151) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1416) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$1(AbstractBeanFactory.java:356) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.cloud.context.scope.GenericScope$BeanLifecycleWrapper.getBean(GenericScope.java:389) ~[spring-cloud-context-2.1.2.RELEASE.jar:2.1.2.RELEASE]
    	at org.springframework.cloud.context.scope.GenericScope.get(GenericScope.java:186) ~[spring-cloud-context-2.1.2.RELEASE.jar:2.1.2.RELEASE]
    	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:353) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1105) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.cloud.context.scope.refresh.RefreshScope.eagerlyInitialize(RefreshScope.java:134) ~[spring-cloud-context-2.1.2.RELEASE.jar:2.1.2.RELEASE]
    	at org.springframework.cloud.context.scope.refresh.RefreshScope.start(RefreshScope.java:125) ~[spring-cloud-context-2.1.2.RELEASE.jar:2.1.2.RELEASE]
    	at org.springframework.cloud.context.scope.refresh.RefreshScope.onApplicationEvent(RefreshScope.java:119) ~[spring-cloud-context-2.1.2.RELEASE.jar:2.1.2.RELEASE]
    	at org.springframework.cloud.context.scope.refresh.RefreshScope.onApplicationEvent(RefreshScope.java:73) ~[spring-cloud-context-2.1.2.RELEASE.jar:2.1.2.RELEASE]
    	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:896) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:162) ~[spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) [spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) [spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    	at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) [spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1204) [spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    	at com.xjw.travel.business.BusinessRegApplication.main(BusinessRegApplication.java:13) [classes/:na]
    Caused by: java.lang.IllegalStateException: No registry config found or it's not a valid config! The registry config is: <dubbo:registry valid="false" zookeeperProtocol="false" prefix="dubbo.registry" />
    	at org.apache.dubbo.config.AbstractInterfaceConfig.checkRegistry(AbstractInterfaceConfig.java:202) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:378) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:329) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:250) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor$ReferenceBeanInvocationHandler.init(ReferenceAnnotationBeanPostProcessor.java:269) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor$ReferenceBeanInvocationHandler.access$100(ReferenceAnnotationBeanPostProcessor.java:242) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.buildInvocationHandler(ReferenceAnnotationBeanPostProcessor.java:236) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.buildProxy(ReferenceAnnotationBeanPostProcessor.java:219) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.doGetInjectedBean(ReferenceAnnotationBeanPostProcessor.java:134) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.spring.beans.factory.annotation.AnnotationInjectedBeanPostProcessor.getInjectedObject(AnnotationInjectedBeanPostProcessor.java:360) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.apache.dubbo.config.spring.beans.factory.annotation.AnnotationInjectedBeanPostProcessor$AnnotatedFieldElement.inject(AnnotationInjectedBeanPostProcessor.java:540) ~[dubbo-2.7.3.jar:2.7.3]
    	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    	at org.apache.dubbo.config.spring.beans.factory.annotation.AnnotationInjectedBeanPostProcessor.postProcessPropertyValues(AnnotationInjectedBeanPostProcessor.java:147) ~[dubbo-2.7.3.jar:2.7.3]
    	... 28 common frames omitted

**目录结构**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTQyMDkxOQ_size_16_color_FFFFFF_t_70]  
bootstrap.properties文件

spring.profiles.active=pro
    spring.application.name=business-reg-config
    spring.cloud.nacos.config.server-addr=192.168.138.9:8848
    spring.cloud.nacos.config.file-extension=yaml

**nacos配置列表**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTQyMDkxOQ_size_16_color_FFFFFF_t_70 1]  
报错的为pro配置类。之所以出错是因为只有在创建配置列表时没有在Data ID文件加yaml  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTQyMDkxOQ_size_16_color_FFFFFF_t_70 2]

正确做法：![在这里插入图片描述][20200514224039909.png]

\*\*

## 附录 ##

> 以下代码为实现简单的springcloud alibaba dubbo 服务端注册到nacos并实现熔断，负载均衡。

\*\*

**pom.xml**

<dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            </dependency>
    
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
            </dependency>

**business-reg-config-pro.yaml**

base:
      config:
        nacos:
          hostname: 47.112.252.218
          port: 8848
        sentile:
          hostname: localhost
          port: 8080
    
    spring:
      application:
        name: business-reg
      main:
        allow-bean-definition-overriding: true
      jackson:
        time-zone: GMT+8
        date-format: yyyy-MM-dd HH:mm:ss
      cloud:
        nacos:
          discovery:
            server-addr: ${ base.config.nacos.hostname}:${ base.config.nacos.port}
        sentinel:
          transport:
            dashboard: ${ base.config.sentile.hostname}:${ base.config.sentile.port}
    
    
    dubbo:
      scan:
        base-packages: com.xjw.travel.business
      protocol:
        name: dubbo
        port: -1
        serialization: kryo
      registry:
        address: nacos://${ base.config.nacos.hostname}
        port: ${ base.config.nacos.port}
    
    server:
      port: 9002
    
    
    management:
      endpoints:
        web:
          exposure:
            include: "*"
    
    user:
      name: "续集屋"

**EchoController：**

package com.xjw.travel.business.controller;
    
    
    import com.alibaba.csp.sentinel.annotation.SentinelResource;
    import com.xjw.travel.business.controller.fallback.EchoControllerFallback;
    import com.xjw.travel.provider.api.EchoService;
    import org.apache.dubbo.config.annotation.Reference;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.cloud.context.config.annotation.RefreshScope;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    
    
    /** * @author xjw */
    @RestController
    @RequestMapping(value = "echo")
    @RefreshScope
    public class EchoController { 
    
        @Reference(version = "1.0.0")
        private EchoService echoService;
    
        @Value("${user.name}")
        private String username;
    
        @Value("${server.port}")
        private String port;
    
    
        @GetMapping(value = "{string}")
        @SentinelResource(value = "echo", fallback = "echo",fallbackClass = EchoControllerFallback.class)
        public String echo(@PathVariable String string) { 
    
    
            return echoService.echo(string) + " " + username + "服务端口："+ port;
        }
    
    }

**EchoControllerFallback**

package com.xjw.travel.business.controller.fallback;
    
    
    
    
    public final class EchoControllerFallback  { 
    
        public static String echo(String string) { 
    
            return "echo fail.";
    
        }
    }

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTQyMDkxOQ_size_16_color_FFFFFF_t_70 2]: /images/20230312/1bb96320290e476989ff3e2f89fae3ef.png
[20200514224039909.png]: /images/20230312/377cd74a993f4519ae766b2ee169fbf8.png