nacos配置启动

Posted 2023-03-30 普通网友

参考：https://blog.csdn.net/weixin_42453582/article/details/113697878

nacos:https://nacos.io/zh-cn/docs/quick-start.html

进入文件夹的bin目录下启动nacos：
执行 startup.cmd

nacos启动报错 Unable to start web server; nested exception is org.springframework.boot.web.server
在启动Nacos的时候报tomcat启动错误
因为nacos是默认的集群模式所以我们在startup.cmd里面第28行改成单机模式就好了
set MODE=“standalone”

启动后浏览器访问：http://localhost:8848/nacos:
默认的登录名和密码是：nacos/nacos

修改配置文件： acos-server-2.0.3 acosconfapplication.properties 并重启，如下：
spring.datasource.platform=mysql

### Count of DB:
db.num=1

### Connect URL of DB:
db.url.0=jdbc:mysql://127.0.0.1:3306/xx-configcharacterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useUnicode=true&useSSL=false&serverTimezone=UTC
db.user.0=root
db.password.0=123456

4.项目启动报错(nacos版本为：nacos-server-1.4.1)：

10:10:23.437 [main] ERROR c.a.n.c.r.c.g.GrpcClient - [printIfErrorEnabled,99] - Server check fail, please check server 127.0.0.1 ,port 9848 is available , error =
java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception
	at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566)
	at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445)
	at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:146)
	at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:268)
	at com.alibaba.nacos.common.remote.client.RpcClient.start(RpcClient.java:394)
	at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.ensureRpcClient(ClientWorker.java:941)
	at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.getOneRunningClient(ClientWorker.java:1104)
	at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.queryConfig(ClientWorker.java:996)
	at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:407)
	at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:166)
	at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:94)
	at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85)
	at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73)
	at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199)
	at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186)
	at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosConfiguration(NacosPropertySourceLocator.java:158)
	at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadSharedConfiguration(NacosPropertySourceLocator.java:116)
	at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:101)
	at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51)
	at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47)
	at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95)
	at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:634)
	at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:403)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:337)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1332)
	at com.ruoyi.gateway.RuoYiGatewayApplication.main(RuoYiGatewayApplication.java:17)
Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception
	at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:533)
	at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:490)

换nacos版本为2.0以上，nacos-server-2.0.3后启动正常。

下载地址nacos-server-2.0.3

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使用nacos配置中心后启动微服务连接不上nacos的问题

参考技术A 报错信息：

bootstrap.yml

spring:

cloud:

nacos:

config:

server-addr: 192.168.1.4:8848

application:

name: xxxx

profiles:

active: dev

解决方案：

spring:

cloud:

nacos:

config:

server-addr: 192.168.1.4:8848

discovery:

server-addr: 192.168.1.4:8848

application:

name: api-gateway

profiles:

active: dev