跳至主要內容
【中】No provider available from registry RegistryDirectory

  • Dubbo 3.2.9
  • Nacos 2.1.0

最近在做配置文件升级，服务比较多，之前的Dubbo配置各个服务写的比较乱，有的用Nacos上的 data-id，有的又是在自己的服务引入配置

遂准备统一了，全部都用Nacos上的配置，同时修改了Dubbo服务名

dubbo.application.name=${spring.application.name}
小道仙97大约 2 分钟中级异常Dubbo
【中】org.mockito.Answers.get()Lorg/mockito/stubbing/Answer

最近在做SpringBoot 版本升级，原本的版本是2.3.1，目标版本是2.7.17，升完之后发现powermock用不了，报标题的错。


powermock官方已经不更新了，目前最新的版本停在 2.0.9，只能支持 junit4，所以想解决这个报错的办法有两个

  1. 去掉 powermock重写单元测试
  2. SpringBoot 版本还是2.7.17，把junit版本下降到4

降低 junit所需引入的包

<dependency>
    <groupId>org.powermock</groupId>
    <artifactId>powermock-module-junit4</artifactId>
    <scope>test</scope>
    <version>2.0.9</version>
</dependency>

<dependency>
    <groupId>org.powermock</groupId>
    <artifactId>powermock-api-mockito2</artifactId>
    <scope>test</scope>
    <version>2.0.9</version>
</dependency>

<dependency>
    <groupId>org.mockito</groupId>
    <artifactId>mockito-core</artifactId>
    <version>3.3.3</version>
    <scope>test</scope>
</dependency>

<dependency>
    <groupId>org.mockito</groupId>
    <artifactId>mockito-junit-jupiter</artifactId>
    <version>3.3.3</version>
    <scope>test</scope>
</dependency>
小道仙97小于 1 分钟中级异常
【中】Can not create registry service-discovery-registry、Create zookeeper service discovery failed.

今天在部署服务的时候出现了下面的异常

11:15:18.922 [main] ERROR o.springframework.boot.SpringApplication - Application run failed
java.lang.RuntimeException: Can not create registry service-discovery-registry://xx.xx.xx.xx:2181/org.apache.dubbo.registry.RegistryService?REGISTRY_CLUSTER=zk-registry&application=app-doctor-backend-comsumer&dubbo=2.0.2&executor-management-mode=isolation&file-cache=true&interface=org.apache.dubbo.registry.RegistryService&pid=30987&registry=zookeeper&release=3.2.9&serialize.check.status=WARN
        at org.apache.dubbo.registry.support.AbstractRegistryFactory.getRegistry(AbstractRegistryFactory.java:105)
        at org.apache.dubbo.registry.RegistryFactoryWrapper.getRegistry(RegistryFactoryWrapper.java:33)
        at org.apache.dubbo.registry.RegistryFactory$Adaptive.getRegistry(RegistryFactory$Adaptive.java)
        at org.apache.dubbo.registry.integration.RegistryProtocol.getRegistry(RegistryProtocol.java:487)
        at org.apache.dubbo.registry.integration.InterfaceCompatibleRegistryProtocol.getServiceDiscoveryInvoker(InterfaceCompatibleRegistryProtocol.java:64)
        at org.apache.dubbo.registry.client.migration.MigrationInvoker.refreshServiceDiscoveryInvoker(MigrationInvoker.java:458)
        at org.apache.dubbo.registry.client.migration.MigrationInvoker.migrateToApplicationFirstInvoker(MigrationInvoker.java:256)
        at org.apache.dubbo.registry.client.migration.MigrationRuleHandler.refreshInvoker(MigrationRuleHandler.java:78)
        at org.apache.dubbo.registry.client.migration.MigrationRuleHandler.doMigrate(MigrationRuleHandler.java:62)
        at org.apache.dubbo.registry.client.migration.MigrationRuleListener.onRefer(MigrationRuleListener.java:285)
        at org.apache.dubbo.registry.integration.RegistryProtocol.interceptInvoker(RegistryProtocol.java:658)
        at org.apache.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:622)
        at org.apache.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:603)
        at org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:84)
        at org.apache.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:85)
        at org.apache.dubbo.rpc.protocol.ProtocolSecurityWrapper.refer(ProtocolSecurityWrapper.java:112)
        at org.apache.dubbo.rpc.cluster.filter.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:72)
        at org.apache.dubbo.rpc.protocol.ProtocolSerializationWrapper.refer(ProtocolSerializationWrapper.java:55)
        at org.apache.dubbo.rpc.protocol.InvokerCountWrapper.refer(InvokerCountWrapper.java:48)
        at org.apache.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
        at org.apache.dubbo.config.ReferenceConfig.createInvoker(ReferenceConfig.java:670)
        at org.apache.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:486)
        at org.apache.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:369)
        at org.apache.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:238)
        at org.apache.dubbo.config.ReferenceConfigBase.get(ReferenceConfigBase.java:395)
        at org.apache.dubbo.config.utils.SimpleReferenceCache.destroyReference(SimpleReferenceCache.java:294)
        at org.apache.dubbo.config.utils.SimpleReferenceCache.destroy(SimpleReferenceCache.java:248)
        at org.apache.dubbo.config.utils.SimpleReferenceCache.destroy(SimpleReferenceCache.java:271)
        at org.apache.dubbo.config.deploy.DefaultModuleDeployer.lambda$referServices$6(DefaultModuleDeployer.java:552)
        at java.util.concurrent.ConcurrentHashMap$ValuesView.forEach(ConcurrentHashMap.java:4707)
        at org.apache.dubbo.config.deploy.DefaultModuleDeployer.referServices(DefaultModuleDeployer.java:514)
        at org.apache.dubbo.config.deploy.DefaultModuleDeployer.startSync(DefaultModuleDeployer.java:183)
        at org.apache.dubbo.config.deploy.DefaultModuleDeployer.start(DefaultModuleDeployer.java:156)
        at org.apache.dubbo.config.spring.context.DubboDeployApplicationListener.onContextRefreshedEvent(DubboDeployApplicationListener.java:157)
        at org.apache.dubbo.config.spring.context.DubboDeployApplicationListener.onApplicationEvent(DubboDeployApplicationListener.java:143)
        at org.apache.dubbo.config.spring.context.DubboDeployApplicationListener.onApplicationEvent(DubboDeployApplicationListener.java:52)
        at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:178)
        at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:171)
        at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:145)
        at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:421)
        at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:378)
        at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:941)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:732)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:409)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:308)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1300)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1289)
        at com.distinct.doctor.DistinctAppDoctorBackendApplication.main(DistinctAppDoctorBackendApplication.java:18)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:108)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:65)
Caused by: java.lang.IllegalStateException: Create zookeeper service discovery failed.
        at org.apache.dubbo.registry.zookeeper.ZookeeperServiceDiscovery.<init>(ZookeeperServiceDiscovery.java:88)
        at org.apache.dubbo.registry.zookeeper.ZookeeperServiceDiscoveryFactory.createDiscovery(ZookeeperServiceDiscoveryFactory.java:27)
        at org.apache.dubbo.registry.client.AbstractServiceDiscoveryFactory.lambda$getServiceDiscovery$0(AbstractServiceDiscoveryFactory.java:54)
        at org.apache.dubbo.common.utils.ConcurrentHashMapUtils.computeIfAbsent(ConcurrentHashMapUtils.java:42)
        at org.apache.dubbo.registry.client.AbstractServiceDiscoveryFactory.getServiceDiscovery(AbstractServiceDiscoveryFactory.java:54)
        at org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.getServiceDiscovery(ServiceDiscoveryRegistry.java:133)
        at org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.createServiceDiscovery(ServiceDiscoveryRegistry.java:119)
        at org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.<init>(ServiceDiscoveryRegistry.java:94)
        at org.apache.dubbo.registry.client.ServiceDiscoveryRegistryFactory.createRegistry(ServiceDiscoveryRegistryFactory.java:40)
        at org.apache.dubbo.registry.support.AbstractRegistryFactory.getRegistry(AbstractRegistryFactory.java:95)
        ... 57 common frames omitted
Caused by: java.lang.IllegalStateException: failed to connect to zookeeper server
        at org.apache.dubbo.registry.zookeeper.util.CuratorFrameworkUtils.buildCuratorFramework(CuratorFrameworkUtils.java:102)
        at org.apache.dubbo.registry.zookeeper.ZookeeperServiceDiscovery.<init>(ZookeeperServiceDiscovery.java:83)
        ... 66 common frames omitted
小道仙97大约 2 分钟中级异常zookeeper
【中】K8S、kubernetes no resolver defined to resolve could not be resolved (3 Host not found) 问题解决

开始

最近在使用openResty搭建一个动态代理功能，遇到了死命的问题，弄了几天才弄好，遂记录下来。

  1. openResty 如果不熟悉的人可以把它理解成nginx
  2. 环境是在K8S容器内部
  3. curl http://openresty-svc/data-dashboard/card/myClueList （请求的命令）

下面是我配置的 nginx.conf

http {
    server {
        listen 80;
        server_name openresty;   
        location / {
            # 声明一个变量 host_xxxx ，并给它设置值
            # 这个xdx-wahaha-online-service-svc 是我K8S里的一个内部服务
            set $host_xxxx "xdx-wahaha-online-service-svc";
            proxy_pass http://$host_xxxx:8080;
        }
    }
}
小道仙97大约 3 分钟中级异常
【初】Non-resolvable parent POM for Could not find artifact and ‘parent.relativePath‘ points at wrong loca

一、问题解决

在这里插入图片描述

在使用maven打包的时候，报了上面这个错，简单来说就是找不到某个依赖，这是因为我们在构建子父工程的时候，子类打包找不到父类的依赖。

一般我们只需要重新打开父类，然后执行 mvn install ，再去子类里面重新依赖一下就好了。

但是我这个父类是依赖的远程仓库，我通过maven也把它拉到了本地仓库，但是依旧不行，最后发现原因是因为，我本地安装了两个maven，M1和M2，我在配置环境变量的时候配置的是M1地址。

小道仙97大约 2 分钟初级异常Maven