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Nacos集群部署报400问题

舍予兄 2021-09-24 阅读 73
日记本

Nacos现在在微服务领域用的比较广了,最近使用时发现一些问题记录下,我是nacos服务器用的是最新版,客户端为了兼容Springboot版本用的是0.1.2,现在最新客户端是0.2.2,具体请看版本说明对照表

版本说明:

  • Nacos Server采用1.4.1版本, kubernetes部署
  • Spring cloud采用Edgware.RELEASE版本
  • Springboot采用1.5.9.RELEASE版本
  <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Edgware.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>0.1.2.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
      
        </dependencies>

    </dependencyManagement>

问题

问题1:工程启动时报错

版本冲突,重新引入版本覆盖

 <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-commons</artifactId>
        <version>1.3.5.RELEASE</version>
 </dependency>

问题2:工程启动时报错

这个问题比较怪异,应该是一个bug,具体有两种办法解决:

  • 使用单机模式
    将MODE属性有cluster改成standalone
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: nacos
spec:
  selector:
    matchLabels:
      app: nacos
  serviceName: nacos
  replicas: 3
  template:
  ....
    spec:
      containers:
     ....
            - name: MODE
              value: "standalone"
       ....
  • 单独引入依赖包
    单独引入discovery和config包

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Edgware.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
 
            <!-- 解决启动报 Error creating bean with name 'nacosAutoServiceRegistration -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-commons</artifactId>
                <version>1.3.5.RELEASE</version>
            </dependency>


            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
                <version>0.1.2.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
                <version>0.1.2.RELEASE</version>
            </dependency>
        </dependencies>

另外k8s中服务列表配成这样:

....
            - name: NACOS_SERVERS
              value: "nacos-0.nacos.default.svc.cluster.local:8848 nacos-1.nacos.default.svc.cluster.local:8848"
...
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