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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/07/05 10:12:42 UTC
[GitHub] [dubbo] gang0713 opened a new issue #8225: 关于 @DubboReference 注解中不配置URL问题
gang0713 opened a new issue #8225:
URL: https://github.com/apache/dubbo/issues/8225
Dubbo版本2.7.7和3.0.0都有这个问题。
目前发现DubboReference注解中不增加URL并指定IP和端口，消费端就无法访问生产端。提示生产端不存在或是列入了黑名单
1、如果要在URL中指定IP和端口，对于增加生产端的灵活性是不是就降底，对于消费端来说应该是透明的。
2、在application.yml配置文件中是否有什么特别的配置可以去掉DubboReference中的url配置
@DubboReference(version = "${platform.service.version}", **url = "dubbo://127.0.0.1:12316"**, lazy = true)
目前我的配置
生产端配置
dubbo:
application:
id: ${spring.application.name}
name: ${spring.application.name}
register-mode: instance
service-discovery:
migration: FORCE_APPLICATION
qos-enable: false
qos-accept-foreign-ip: false
scan:
base-packages: com.xykq.modules,com.xykq.framework
registry:
# file: ${user.home}/dubbo-cache/${spring.application.name}/dubbo.cache
address: nacos://${nacos.host}:${nacos.port}/?registry-type=service
monitor:
protocol: registry
protocol:
name: dubbo
port: 12316
server: netty4
serialization: kryo
provider:
retries: 0
delay: -1
timeout: 12000
consumer:
timeout: 12000
check: false # 服务启动时检查被调用服务是否可用
client: netty4
retries: 0 # 服务调用重试次数
消费端配置
dubbo:
application:
id: ${spring.application.name}
name: ${spring.application.name}
service-discovery:
migration: FORCE_APPLICATION
qos-enable: false
qos-accept-foreign-ip: false
registry:
# file: ${user.home}/dubbo-cache/${spring.application.name}/dubbo.cache
address: nacos://${nacos.host}:${nacos.port}
monitor:
protocol: registry
protocol:
name: dubbo
port: 12316
server: netty4
serialization: kryo
consumer:
timeout: 12000
check: false # 服务启动时检查被调用服务是否可用
client: netty4
retries: 0 # 服务调用重试次数
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[GitHub] [dubbo] pinxiong edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-892599755
#### Environment
+ Nacos: 1.4.2
+ Souce Code: https://github.com/pinxiong/spring-boot-dubbo-nacos-demo
+ OS: Cent OS7
I was trying to use docker run `Nacos` and then run `shop-service-provider` and `shop-service-consumer` to reproduce this issu again. I found some errors in `logs/nacos/remote.log`
```java
2021-08-04 11:39:26.523 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]RpcClient init, ServerListFactory =com.alibaba.nacos.client.naming.core.ServerListManager
2021-08-04 11:39:26.530 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.569 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.573 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.588 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.589 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.597 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.598 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$ConnectResetRequestHandler
2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$4
2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.client.naming.remote.gprc.NamingPushRequestHandler
2021-08-04 11:39:27.600 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Registry connection listener to current client:com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcConnectionEventListener
2021-08-04 11:39:27.600 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] try to re connect to a new server ,server is not appointed,will choose a random server.
2021-08-04 11:39:27.632 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-04 11:39:27.756 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-04 11:39:27.757 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] fail to connect server,after trying 1 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
2021-08-04 11:39:27.978 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
```
That make me sure there is something wrong with `Nacos`. Also, I find the related issue in [blog](https://blog.csdn.net/qq_39099625/article/details/118610964) .
@gang0713 Now, I think we need to follow the [issue#6521](https://github.com/alibaba/nacos/issues/6521) and push them to help us fix this problem.
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-878905150
在nacos控制台看到服务都注册上来了，但是不加URl就访问不了。
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890671939
@gang0713 Have you upgraded the Nacos to `2.0.2` yet?
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890478263
@pinxiong 不行，windos10下，nacos控制台有数据，linux下没有。CentOS Linux release 8.3.2011
下图是win10下的nacos控制台有数据
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-894059865
@pinxiong 有试过用官方的docker角本吗？https://github.com/nacos-group/nacos-docker
Run the following command：
Clone project
git clone --depth 1 https://github.com/nacos-group/nacos-docker.git
cd nacos-docker
Standalone Derby
docker-compose -f example/standalone-derby.yaml up
我试了，控制台可以注册上（生产端没有注册上，消费端注册上了），dubbo客户端访问还是报错。
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-888073691
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[GitHub] [dubbo] pinxiong edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890278065
> org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 192.168.0.20:8848 on the consumer 192.168.0.20 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
I have downloaded the [demo](https://wws.lanzoui.com/iRgEPrzde0j) you provided, and want to reproduce the issue you reported.
```java
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 192.168.31.167:8848 on the consumer 192.168.31.167 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar:3.0.1]
......
```
I'm sure that there are something wrong with `Nacos` when exporting the provider, because the exception doesn't throw in `NacosRegistry`
```java
private void execute(NamingServiceCallback callback) {
try {
callback.callback(namingService);
} catch (NacosException e) {
// don't throw any exception
if (logger.isErrorEnabled()) {
logger.error(e.getErrMsg(), e);
}
}
}
```
By contrast, all exception will throw in `ZookeeperRegistry`, I'll provide a PR to fix this problem in `NacosRegistry` later
```java
public void doRegister(URL url) {
try {
zkClient.create(toUrlPath(url), url.getParameter(DYNAMIC_KEY, true));
} catch (Throwable e) {
throw new RpcException("Failed to register " + url + " to zookeeper " + getUrl() + ", cause: " + e.getMessage(), e);
}
}
```
Now, I need your help to provide more detailed error log, you can get it in `logs/nacos/remote.log` file @gang0713
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-888772937
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 192.168.0.20:8848 on the consumer 192.168.0.20 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
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[GitHub] [dubbo] gang0713 removed a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 removed a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-878869120
@kylixs 项目的工程不能外发，单独搞了一个工程，配置和我的一样。
下载地址：https://wws.lanzoui.com/i1xCurd0tti
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890495008
@gang0713 I upgraded Nacos and the problem seems to have disappeared.
#### What I did
+ **Upgrade Nacos**
<img width="769" alt="Nacos 2 0 2" src="https://user-images.githubusercontent.com/7067417/127768101-0338bcaa-1f7b-484d-a4b6-3d0f58eccb0b.png">
+ **Start Provider**
```shell
[root@ip-192-0-4-195 spring-boot-dubbo-nacos-demo]# java -jar shop-service-provider/target/shop-service-provider-0.0.1.jar
log4j:WARN No appenders could be found for logger (org.apache.dubbo.common.Version).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
2021-08-01 10:12:06 INFO org.apache.dubbo.spring.boot.context.event.WelcomeLogoApplicationListener:64 -
:: Dubbo Spring Boot (v3.0.1) : https://github.com/apache/dubbo-spring-boot-project
:: Dubbo (v3.0.1) : https://github.com/apache/dubbo
:: Discuss group : dev@dubbo.apache.org
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.3.12.RELEASE)
2021-08-01 10:12:06 INFO com.alibaba.boot.nacos.config.util.NacosConfigPropertiesUtils:47 - nacosConfigProperties : NacosConfigProperties{serverAddr='127.0.0.1:8848', contextPath='null', encode='null', endpoint='null', namespace='null', accessKey='null', secretKey='null', ramRoleName='null', autoRefresh=false, dataId='null', dataIds='null', group='DEFAULT_GROUP', type=null, maxRetry='null', configLongPollTimeout='null', configRetryTime='null', enableRemoteSyncConfig=false, extConfig=[], bootstrap=Bootstrap{enable=false, logEnable=false}}
2021-08-01 10:12:06 INFO com.alibaba.boot.nacos.config.autoconfigure.NacosConfigApplicationContextInitializer:75 - [Nacos Config Boot] : The preload configuration is not enabled
2021-08-01 10:12:06 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:55 - Starting ShopServiceProviderApplication on 192-0-4-195 with PID 3261 (/root/****/workspace/spring-boot-dubbo-nacos-demo/shop-service-provider/target/shop-service-provider-0.0.1.jar started by root in /root/****/workspace/spring-boot-dubbo-nacos-demo)
2021-08-01 10:12:06 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:648 - No active profile set, falling back to default profiles: default
2021-08-01 10:12:07 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboRelaxedBinding2AutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-01 10:12:07 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-01 10:12:08 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment
2021-08-01 10:12:08 INFO org.reflections.Reflections:232 - Reflections took 120 ms to scan 1 urls, producing 3 keys and 6 values
2021-08-01 10:12:08 INFO org.reflections.Reflections:232 - Reflections took 77 ms to scan 1 urls, producing 4 keys and 9 values
2021-08-01 10:12:08 INFO org.reflections.Reflections:232 - Reflections took 64 ms to scan 1 urls, producing 3 keys and 10 values
2021-08-01 10:12:09 INFO org.reflections.Reflections:232 - Reflections took 271 ms to scan 78 urls, producing 0 keys and 0 values
2021-08-01 10:12:09 INFO org.reflections.Reflections:232 - Reflections took 50 ms to scan 1 urls, producing 1 keys and 5 values
2021-08-01 10:12:09 INFO org.reflections.Reflections:232 - Reflections took 59 ms to scan 1 urls, producing 1 keys and 7 values
2021-08-01 10:12:09 INFO org.reflections.Reflections:232 - Reflections took 47 ms to scan 1 urls, producing 2 keys and 8 values
2021-08-01 10:12:09 INFO org.reflections.Reflections:232 - Reflections took 216 ms to scan 78 urls, producing 0 keys and 0 values
2021-08-01 10:12:13 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:61 - Started ShopServiceProviderApplication in 7.541 seconds (JVM running for 9.344)
2021-08-01 10:12:13 INFO org.apache.dubbo.spring.boot.context.event.AwaitingNonWebApplicationListener:159 - [Dubbo] Current Spring Boot Application is await...
```
+ **Check registered configuration in Nacos**
<img width="1102" alt="Nacos Data" src="https://user-images.githubusercontent.com/7067417/127768118-9815997b-5444-4292-a506-fc003f7373c5.png">
+ **Start Consumer**
```shell
[root@ip-192-0-4-195 spring-boot-dubbo-nacos-demo]# java -jar shop-service-consumer/target/shop-service-consumer-0.0.1.jar
log4j:WARN No appenders could be found for logger (org.apache.dubbo.common.Version).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
2021-08-01 10:14:28 INFO org.apache.dubbo.spring.boot.context.event.WelcomeLogoApplicationListener:64 -
:: Dubbo Spring Boot (v3.0.1) : https://github.com/apache/dubbo-spring-boot-project
:: Dubbo (v3.0.1) : https://github.com/apache/dubbo
:: Discuss group : dev@dubbo.apache.org
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.3.12.RELEASE)
2021-08-01 10:14:28 INFO com.alibaba.boot.nacos.config.util.NacosConfigPropertiesUtils:47 - nacosConfigProperties : NacosConfigProperties{serverAddr='127.0.0.1:8848', contextPath='null', encode='null', endpoint='null', namespace='null', accessKey='null', secretKey='null', ramRoleName='null', autoRefresh=false, dataId='null', dataIds='null', group='DEFAULT_GROUP', type=null, maxRetry='null', configLongPollTimeout='null', configRetryTime='null', enableRemoteSyncConfig=false, extConfig=[], bootstrap=Bootstrap{enable=false, logEnable=false}}
2021-08-01 10:14:28 INFO com.alibaba.boot.nacos.config.autoconfigure.NacosConfigApplicationContextInitializer:75 - [Nacos Config Boot] : The preload configuration is not enabled
2021-08-01 10:14:28 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:55 - Starting ShopServiceConsumerApplication on 192-0-4-195 with PID 3757 (/root/****/workspace/spring-boot-dubbo-nacos-demo/shop-service-consumer/target/shop-service-consumer-0.0.1.jar started by root in /root/****/workspace/spring-boot-dubbo-nacos-demo)
2021-08-01 10:14:28 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:648 - No active profile set, falling back to default profiles: default
2021-08-01 10:14:29 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-01 10:14:29 INFO org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor:463 - Register dubbo reference bean: shopService = ReferenceBean:cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0() at cn.raysonblog.shopservice.api.service.RpcShopService cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication.shopService
2021-08-01 10:14:30 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment
2021-08-01 10:14:30 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:108 - Tomcat initialized with port(s): 9081 (http)
2021-08-01 10:14:30 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Initializing ProtocolHandler ["http-nio-9081"]
2021-08-01 10:14:30 INFO org.apache.catalina.core.StandardService:173 - Starting service [Tomcat]
2021-08-01 10:14:30 INFO org.apache.catalina.core.StandardEngine:173 - Starting Servlet engine: [Apache Tomcat/9.0.46]
2021-08-01 10:14:30 INFO org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/]:173 - Initializing Spring embedded WebApplicationContext
2021-08-01 10:14:30 INFO org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext:285 - Root WebApplicationContext: initialization completed in 2458 ms
2021-08-01 10:14:31 INFO org.apache.dubbo.config.spring.reference.ReferenceCreator:95 - The configBean[type:ReferenceConfig] has been built.
2021-08-01 10:14:31 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor:181 - Initializing ExecutorService 'applicationTaskExecutor'
2021-08-01 10:14:32 INFO org.reflections.Reflections:232 - Reflections took 92 ms to scan 1 urls, producing 3 keys and 6 values
2021-08-01 10:14:32 INFO org.reflections.Reflections:232 - Reflections took 76 ms to scan 1 urls, producing 4 keys and 9 values
2021-08-01 10:14:32 INFO org.reflections.Reflections:232 - Reflections took 74 ms to scan 1 urls, producing 3 keys and 10 values
2021-08-01 10:14:32 INFO org.reflections.Reflections:232 - Reflections took 361 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-01 10:14:32 INFO org.reflections.Reflections:232 - Reflections took 40 ms to scan 1 urls, producing 1 keys and 5 values
2021-08-01 10:14:32 INFO org.reflections.Reflections:232 - Reflections took 46 ms to scan 1 urls, producing 1 keys and 7 values
2021-08-01 10:14:33 INFO org.reflections.Reflections:232 - Reflections took 46 ms to scan 1 urls, producing 2 keys and 8 values
2021-08-01 10:14:33 INFO org.reflections.Reflections:232 - Reflections took 239 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-01 10:14:34 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler:181 - Initializing ExecutorService 'taskScheduler'
2021-08-01 10:14:34 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Starting ProtocolHandler ["http-nio-9081"]
2021-08-01 10:14:34 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:220 - Tomcat started on port(s): 9081 (http) with context path ''
2021-08-01 10:14:37 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:61 - Started ShopServiceConsumerApplication in 9.722 seconds (JVM running for 11.424)
2021-08-01 10:14:40 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication$$EnhancerBySpringCGLIB$$536b5aa2:41 - mercyblitz
2021-08-01 10:14:45 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication$$EnhancerBySpringCGLIB$$536b5aa2:41 - mercyblitz
2021-08-01 10:14:50 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication$$EnhancerBySpringCGLIB$$536b5aa2:41 - mercyblitz
2021-08-01 10:14:55 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication$$EnhancerBySpringCGLIB$$536b5aa2:41 - mercyblitz
2021-08-01 10:15:00 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication$$EnhancerBySpringCGLIB$$536b5aa2:41 - mercyblitz
2021-08-01 10:15:05 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication$$EnhancerBySpringCGLIB$$536b5aa2:41 - mercyblitz
```
+ **Check error log in Nacos**
```shell
2021-08-01 10:14:36.431 INFO [com.alibaba.nacos.client.Worker:remote.client] [a9472ae0-c1b9-4900-a038-fa0af3603162_config-0]Register server push request handler:com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient$$Lambda$609/15730323
2021-08-01 10:14:36.431 INFO [com.alibaba.nacos.client.Worker:remote.client] [a9472ae0-c1b9-4900-a038-fa0af3603162_config-0]Register server push request handler:com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient$$Lambda$610/18903937
2021-08-01 10:14:36.431 INFO [com.alibaba.nacos.client.Worker:remote.client] [a9472ae0-c1b9-4900-a038-fa0af3603162_config-0]Registry connection listener to current client:com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient$1
2021-08-01 10:14:36.431 INFO [com.alibaba.nacos.client.Worker:remote.client] [a9472ae0-c1b9-4900-a038-fa0af3603162_config-0]RpcClient init, ServerListFactory =com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient$2
2021-08-01 10:14:36.432 INFO [com.alibaba.nacos.client.Worker:remote.client] [a9472ae0-c1b9-4900-a038-fa0af3603162_config-0] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-01 10:14:36.547 INFO [com.alibaba.nacos.client.Worker:remote.client] [a9472ae0-c1b9-4900-a038-fa0af3603162_config-0] Success to connect to server [127.0.0.1:8848] on start up,connectionId=1627812876440_127.0.0.1_35512
2021-08-01 10:14:36.548 INFO [com.alibaba.nacos.client.Worker:remote.client] [a9472ae0-c1b9-4900-a038-fa0af3603162_config-0]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$ConnectResetRequestHandler
2021-08-01 10:14:36.548 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [a9472ae0-c1b9-4900-a038-fa0af3603162_config-0]Notify connected event to listeners.
2021-08-01 10:14:36.548 INFO [com.alibaba.nacos.client.Worker:remote.client] [a9472ae0-c1b9-4900-a038-fa0af3603162_config-0]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$4
2021-08-01 10:14:37.096 INFO [nacos-grpc-client-executor-4:remote.client] [768a5fc3-53fc-4193-b489-c5c163fa5757]receive server push request,request=NotifySubscriberRequest,requestId=4
2021-08-01 10:14:37.096 INFO [nacos-grpc-client-executor-4:remote.client] [768a5fc3-53fc-4193-b489-c5c163fa5757]ack server push request,request=NotifySubscriberRequest,requestId=4
2021-08-01 10:14:40.700 INFO [nacos-grpc-client-executor-14:remote.client] [0dee41da-e287-4201-b718-dccb09fb86db]receive server push request,request=NotifySubscriberRequest,requestId=5
2021-08-01 10:14:40.701 INFO [nacos-grpc-client-executor-14:remote.client] [0dee41da-e287-4201-b718-dccb09fb86db]ack server push request,request=NotifySubscriberRequest,requestId=5
2021-08-01 10:14:40.705 INFO [nacos-grpc-client-executor-14:remote.client] [0dee41da-e287-4201-b718-dccb09fb86db]receive server push request,request=NotifySubscriberRequest,requestId=6
2021-08-01 10:14:40.705 INFO [nacos-grpc-client-executor-14:remote.client] [0dee41da-e287-4201-b718-dccb09fb86db]ack server push request,request=NotifySubscriberRequest,requestId=6
2021-08-01 10:15:09.732 INFO [SpringContextShutdownHook:remote.client] Shutdown rpc client ,set status to shutdown
2021-08-01 10:15:09.732 INFO [SpringContextShutdownHook:remote.client] Shutdown client event executor java.util.concurrent.ScheduledThreadPoolExecutor@1a69f9e[Running, pool size = 2, active threads = 2, queued tasks = 0, completed tasks = 0]
2021-08-01 10:15:09.732 INFO [SpringContextShutdownHook:remote.client] Close current connection 1627812876307_127.0.0.1_35510
2021-08-01 10:15:09.745 INFO [nacos-grpc-client-executor-15:grpc.GrpcClient] [1627812876307_127.0.0.1_35510]Ignore complete event,isRunning:false,isAbandon=false
2021-08-01 10:15:09.747 INFO [SpringContextShutdownHook:grpc.GrpcClient] Shutdown grpc executor java.util.concurrent.ThreadPoolExecutor@19b27c9[Running, pool size = 7, active threads = 0, queued tasks = 0, completed tasks = 16]
2021-08-01 10:15:09.894 INFO [SpringContextShutdownHook:remote.client] Shutdown rpc client ,set status to shutdown
2021-08-01 10:15:09.894 INFO [SpringContextShutdownHook:remote.client] Shutdown client event executor java.util.concurrent.ScheduledThreadPoolExecutor@114fca[Running, pool size = 2, active threads = 2, queued tasks = 0, completed tasks = 0]
2021-08-01 10:15:09.895 INFO [SpringContextShutdownHook:remote.client] Close current connection 1627812874131_127.0.0.1_35502
2021-08-01 10:15:09.896 INFO [SpringContextShutdownHook:grpc.GrpcClient] Shutdown grpc executor java.util.concurrent.ThreadPoolExecutor@b68b25[Running, pool size = 3, active threads = 0, queued tasks = 0, completed tasks = 13]
```
#### Conclusion
+ The provider works well, if Nacos upgrade to `2.0.2`
+ The errors disappeared in Nacos logs, if Nacos upgrade to `2.0.2`
Can you check if the problem can be disappeared, after upgraded Nacos from `1.4.2` to `2.0.2` ?
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[GitHub] [dubbo] kylixs commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
kylixs commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-887997163
@chickenlj PTAL
May be something wrong in `service-discovery` mode.
Using the following configuration, the consumer can successfully call the remote interface.
# provider side
```
dubbo:
application:
id: ${spring.application.name}
name: ${spring.application.name}
register-mode: all
# service-discovery:
# migration: FORCE_APPLICATION
```
#consumer side
```
dubbo:
application:
id: ${spring.application.name}
name: ${spring.application.name}
# service-discovery:
# migration: FORCE_APPLICATION
```
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[GitHub] [dubbo] pinxiong edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890487736
> @pinxiong 不行，windos10下，nacos控制台有数据，linux下没有。CentOS Linux release 8.3.2011
>
> 下图是win10下的nacos控制台有数据
> 
Your reply makes me confused, I think we're not discussing about the same thing.
Now, Let's make sure of a few things below
+ The [source code](git@github.com:pinxiong/spring-boot-dubbo-nacos-demo.git) I have uploaded can reproduce your issue or not? If not, please do a update
+ Do your problem only occur in Cent OS environment?
+ And is it work well in Windown 10? If yes, we don't need to focus on Windown 10
I hope we can discuss more efficiently, because it takes a lot of energy to build different environments.
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890750626
@pinxiong 是的，因为我现在nacos都是部署在docker上的，希望这个问题尽快解决掉。
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-888742546
@kylixs 在win10下是可以了，但是部署到linux下又不行了。我centos8.3。
最新demo
https://wws.lanzoui.com/iRgEPrzde0j
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[GitHub] [dubbo] pinxiong edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890278065
> org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 192.168.0.20:8848 on the consumer 192.168.0.20 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
I have downloaded the [demo](https://wws.lanzoui.com/iRgEPrzde0j) you provided, and want to reproduce the issue you reported.
```java
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 192.168.31.167:8848 on the consumer 192.168.31.167 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar:3.0.1]
......
```
I'm sure that there are something wrong with `Nacos` when exporting the provider, because the exception doesn't throw in `NacosRegistry`
```java
private void execute(NamingServiceCallback callback) {
try {
callback.callback(namingService);
} catch (NacosException e) {
// don't throw any exception
if (logger.isErrorEnabled()) {
logger.error(e.getErrMsg(), e);
}
}
}
```
By contrast, all exception will throw in `ZookeeperRegistry`, I'll provide a PR to fix this problem in `NacosRegistry` later
```java
public void doRegister(URL url) {
try {
zkClient.create(toUrlPath(url), url.getParameter(DYNAMIC_KEY, true));
} catch (Throwable e) {
throw new RpcException("Failed to register " + url + " to zookeeper " + getUrl() + ", cause: " + e.getMessage(), e);
}
}
```
Now, I need your help to provide more detailed error logs, you can get them in `logs/nacos/remote.log` and `raysonblog_log` @gang0713
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-888073691
@kylixs 把spring-context-support升级到1.0.11可以了，1.0.11之前的版本不行
同时升级了nacos-discovery-spring-boot-starter到0.2.10，nacos-client到2.0.2，发现现在可以了
@kylixs 后面打包发现又不可以了，还不知道啥原因。
去掉service-discovery确实可以了，但是这个是按官网说明配置的，为什么会有问题。
#service-discovery:
#migration: FORCE_APPLICATION
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[GitHub] [dubbo] kylixs commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
kylixs commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-875579364
> 目前发现DubboReference注解中不增加URL并指定IP和端口，消费端就无法访问生产端。提示生产端不存在或是列入了黑名单
如果不指定url时提示找不到provider，应该是服务注册订阅存在问题，或者是interface/group/version没有全部匹配上。
请参考Dubbo reference文档描述，如果指定了url则表示直接连接provider，如果不指定url则是从注册中心获取provider地址列表。
https://dubbo.apache.org/zh/docs/v3.0/references/configuration/references/xml/dubbo-reference/
> 属性 | 对应URL参数 | 类型 | 是否必填 | 缺省值 | 作用 | 描述 | 兼容性
> -- | -- | -- | -- | -- | -- | -- | --
> url | url | string | 可选 | | 服务治理 | 点对点直连服务提供者地址，将绕过注册中心
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-878867510
@kylixs 项目的工程不能外发，单独搞了一个工程，配置和我的一样。
下载地址：https://wws.lanzoui.com/iC87ird43mj
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890656062
我的部署环境是CentOS 8.3.2011，jdk1.8，我昨天是用您 的代码测试的，还是和之前一样。
消费端使用正常会打下面的日志：
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-894059865
@pinxiong 有试过用官方的docker角本吗？https://github.com/nacos-group/nacos-docker
Run the following command：
Clone project
git clone --depth 1 https://github.com/nacos-group/nacos-docker.git
cd nacos-docker
Standalone Derby
docker-compose -f example/standalone-derby.yaml up
我试了，控制台可以注册上（生产端没有注册上，消费端注册上了），但是dubbo客户端访问还是报错。
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-888742546
@kylixs 在win10下是可以了，但是部署到linux下又不行了。我centos8.3。
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[GitHub] [dubbo] kylixs commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
kylixs commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-888771970
> @kylixs 在win10下是可以了，但是部署到linux下又不行了。我centos8.3。
>
在linux上具体是什么错误？
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[GitHub] [dubbo] kylixs edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
kylixs edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-887997163
@chickenlj PTAL
May be something wrong in `service-discovery` mode.
Using the following configuration, the consumer can successfully call the remote interface.
//provider side
```
dubbo:
application:
id: ${spring.application.name}
name: ${spring.application.name}
register-mode: all
# service-discovery:
# migration: FORCE_APPLICATION
```
//consumer side
```
dubbo:
application:
id: ${spring.application.name}
name: ${spring.application.name}
# service-discovery:
# migration: FORCE_APPLICATION
```
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-894059865
@pinxiong 有试过用官方的docker角本吗？https://github.com/nacos-group/nacos-docker
Run the following command：
Clone project
git clone --depth 1 https://github.com/nacos-group/nacos-docker.git
cd nacos-docker
Standalone Derby
docker-compose -f example/standalone-derby.yaml up
我试了，控制台可以注册上，但是dubbo客户端访问还是报错。
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-879655920
看到启动的时候报了一个这样的提示，是不是因为这个影响了。这个提示的问题要怎么解决？
Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-894163427
@pinxiong 使用https://github.com/nacos-group/nacos-docker 中的例子可以了。要多开一个端口。
Tips: You can change the version of the Nacos image in the compose file from the following configuration. example/.env
NACOS_VERSION=2.0.2
Run the following command：
Clone project
git clone --depth 1 https://github.com/nacos-group/nacos-docker.git
cd nacos-docker
Standalone Derby
docker-compose -f example/standalone-derby.yaml up
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-879721638
@kylixs demo下载地址
https://wws.lanzoui.com/iBdRsreoj7g
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890666951
> 我的部署环境是CentOS 8.3.2011，jdk1.8，我昨天是用您 的代码测试的，还是和之前一样。
> 消费端使用正常会打下面的日志：
> 
>
> 5秒调用一次。
OK, can you tell me what the problem is now?
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890668733
我用您的代码，在CentOS 8.3.2011下还是消费端报错。
2021-08-02 10:39:26 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment
2021-08-02 10:39:26 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:108 - Tomcat initialized with port(s): 9081 (http)
2021-08-02 10:39:26 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Initializing ProtocolHandler ["http-nio-9081"]
2021-08-02 10:39:26 INFO org.apache.catalina.core.StandardService:173 - Starting service [Tomcat]
2021-08-02 10:39:26 INFO org.apache.catalina.core.StandardEngine:173 - Starting Servlet engine: [Apache Tomcat/9.0.46]
2021-08-02 10:39:26 INFO org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/]:173 - Initializing Spring embedded WebApplicationContext
2021-08-02 10:39:26 INFO org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext:285 - Root WebApplicationContext: initialization completed in 892 ms
2021-08-02 10:39:26 INFO org.apache.dubbo.config.spring.reference.ReferenceCreator:95 - The configBean[type:ReferenceConfig] has been built.
2021-08-02 10:39:26 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor:181 - Initializing ExecutorService 'applicationTaskExecutor'
2021-08-02 10:39:26 INFO org.reflections.Reflections:232 - Reflections took 47 ms to scan 1 urls, producing 3 keys and 6 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 34 ms to scan 1 urls, producing 4 keys and 9 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 28 ms to scan 1 urls, producing 3 keys and 10 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 183 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 29 ms to scan 1 urls, producing 1 keys and 5 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 24 ms to scan 1 urls, producing 1 keys and 7 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 20 ms to scan 1 urls, producing 2 keys and 8 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 100 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-02 10:39:27 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler:181 - Initializing ExecutorService 'taskScheduler'
2021-08-02 10:39:27 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Starting ProtocolHandler ["http-nio-9081"]
2021-08-02 10:39:27 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:220 - Tomcat started on port(s): 9081 (http) with context path ''
2021-08-02 10:39:31 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:61 - Started ShopServiceConsumerApplication in 6.713 seconds (JVM running for 7.309)
2021-08-02 10:39:35 ERROR org.springframework.scheduling.support.TaskUtils$LoggingErrorHandler:95 - Unexpected error occurred in scheduled task
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 127.0.0.1:8849 on the consumer 192.168.0.20 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:89) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51) ~[dubbo-3.0.1.jar!/:3.0.1]
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-879721638
@kylixs demo下载地址
https://wws.lanzoui.com/iBdRsreoj7g
2.7的版本也不行。
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-878867510
@kylixs 项目的工程不能外发，单独搞了一个工程，配置和我的一样。
下载地址：https://wws.lanzoui.com/i1xCurd0tti
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[GitHub] [dubbo] pinxiong edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890487736
> @pinxiong 不行，windos10下，nacos控制台有数据，linux下没有。CentOS Linux release 8.3.2011
>
> 下图是win10下的nacos控制台有数据
> 
@gang0713 Your reply makes me confused, I think we're not discussing about the same thing.
Now, Let's make sure of a few things below
+ The [source code](https://github.com/pinxiong/spring-boot-dubbo-nacos-demo) I have uploaded can reproduce your issue or not? If not, please do a update
+ Do your problem only occur in Cent OS environment?
+ And is it work well in Windown 10? If yes, we don't need to focus on Windown 10
I hope we can discuss more efficiently, because it takes a lot of energy to build different environments.
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890682940
@pinxiong 我知道原因了，在centos8下，使用docker部署的Nacos不行。不用docker部署的没问题，控制台也能看到注册信息。
下面是同一台服务器上，不使用docker部署的Nacos，能正常注册上来，并能正常访问。
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890478263
@pinxiong 不行，windos10下，nacos控制台有数据，linux下没有。
下图是win10下的nacos控制台有数据
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-878905150
在nacos控制台看到服务都注册上来了，但是不加URl就访问不了。
Failed to invoke the method findByNameSystemProperty in the service com.xykq.modules.system.services.ISystemPropertyService. No provider available for the service com.xykq.modules.system.services.ISystemPropertyService:1.0.0 from registry 127.0.0.1:8848 on the consumer 192.168.0.112 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:89) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.support.ConsumerContextFilter.invoke(ConsumerContextFilter.java:101) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$ClusterFilterInvoker.invoke(AbstractCluster.java:93) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:93) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.registry.client.migration.MigrationInvoker.invoke(MigrationInvoker.java:276) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:95) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.common.bytecode.proxy2.findByNameSystemProperty(proxy2.java) ~[dubbo-3.0.1.jar:3.0.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_201]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_201]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_201]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_201]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at com.sun.proxy.$Proxy149.findByNameSystemProperty(Unknown Source) ~[?:?]
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-888073691
@kylixs 把spring-context-support升级到1.0.11可以了，1.0.11之前的版本不行
同时升级了nacos-discovery-spring-boot-starter到0.2.10，nacos-client到2.0.2，发现现在可以了
@kylixs 后面打包发现又不可以了，还不知道啥原因。
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-888073691
@kylixs 把spring-context-support升级到1.0.11可以了，1.0.11之前的版本不行
同时升级了nacos-discovery-spring-boot-starter到0.2.10，nacos-client到2.0.2，发现现在可以了
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890278065
> org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 192.168.0.20:8848 on the consumer 192.168.0.20 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
I have downloaded the [demo](https://wws.lanzoui.com/iRgEPrzde0j) you provided, and want to reproduce the issue you reported.
```java
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 192.168.31.167:8848 on the consumer 192.168.31.167 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar:3.0.1]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar:3.0.1]
......
```
I'm sure that there are something wrong with `Nacos` when exporting the provider, because the exception doesn't throw in `NacosRegistry`
```java
private void execute(NamingServiceCallback callback) {
try {
callback.callback(namingService);
} catch (NacosException e) {
// don't throw any exception
if (logger.isErrorEnabled()) {
logger.error(e.getErrMsg(), e);
}
}
}
```
By contrast, all exception will throw in `ZookeeperRegistry`, I'll provide a PR to fix this problem in `NacosRegistry` later
```java
public void doRegister(URL url) {
try {
zkClient.create(toUrlPath(url), url.getParameter(DYNAMIC_KEY, true));
} catch (Throwable e) {
throw new RpcException("Failed to register " + url + " to zookeeper " + getUrl() + ", cause: " + e.getMessage(), e);
}
}
```
Now, I need your help to provide more detailed error log, you can get it in `logs/nacos/remote.log` file
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890675099
@pinxiong 是的，我win10下也是用的Nacos 2.0.2 和1.4.2都可以。就是部署到centos8.3下就不行。
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890682940
@pinxiong 我知道原因了，在centos8下，使用docker部署的Nacos不行。不用docker部署的没问题，控制台也能看到注册信息。
下面是同一台服务器上，不使用docker部署的Nacos，能正常注册上来。
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-893213296
> #### Environment
> * Nacos: 1.4.2
> * Souce Code: https://github.com/pinxiong/spring-boot-dubbo-nacos-demo
> * OS: Cent OS7
>
> I was trying to use docker run `Nacos` and then run `shop-service-provider` and `shop-service-consumer` to reproduce this issu again. I found some errors in `logs/nacos/remote.log`
>
> ```java
> 2021-08-04 11:39:26.523 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]RpcClient init, ServerListFactory =com.alibaba.nacos.client.naming.core.ServerListManager
> 2021-08-04 11:39:26.530 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
> 2021-08-04 11:39:27.569 ERROR [main :grpc.GrpcClient] 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
> 2021-08-04 11:39:27.573 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
> 2021-08-04 11:39:27.588 ERROR [main :grpc.GrpcClient] 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
> 2021-08-04 11:39:27.589 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
> 2021-08-04 11:39:27.597 ERROR [main :grpc.GrpcClient] 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
> 2021-08-04 11:39:27.598 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$ConnectResetRequestHandler
> 2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$4
> 2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.client.naming.remote.gprc.NamingPushRequestHandler
> 2021-08-04 11:39:27.600 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Registry connection listener to current client:com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcConnectionEventListener
> 2021-08-04 11:39:27.600 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] try to re connect to a new server ,server is not appointed,will choose a random server.
> 2021-08-04 11:39:27.632 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
> 2021-08-04 11:39:27.756 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
> 2021-08-04 11:39:27.757 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] fail to connect server,after trying 1 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
> 2021-08-04 11:39:27.978 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
> ```
>
> That make me sure there is something wrong with `Nacos`. Also, I find the related issue in [blog](https://blog.csdn.net/qq_39099625/article/details/118610964) .
>
> @gang0713 Now, I think we need to follow the [issue#6521](https://github.com/alibaba/nacos/issues/6521) and push them to help us fix this problem.
@pinxiong yes.
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890775839
> > @pinxiong 是的，因为我现在nacos都是部署在docker上的，希望这个问题尽快解决掉。
>
> @gang0713 I think you'd better ask `Nacos` to take a look at this issue.
>
> We'll close this issue, it can be reopened if necessary.
>
> `&READY-TO-CLOSE&`
好的，辛苦了
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890656062
我的部署环境是CentOS 8.3.2011，jdk1.8，我昨天是用您 的代码测试的，还是和之前一样。
消费端使用正常会打下面的日志：
5秒调用一次。
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890687450
Great! Should all problems related `Dubbo` have been solved? @gang0713
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890761176
> @pinxiong 是的，因为我现在nacos都是部署在docker上的，希望这个问题尽快解决掉。
@gang0713 I think you'd better ask `Nacos` to take a look at this issue.
We'll close this issue, it can be reopened if necessary.
`&READY-TO-CLOSE&`
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[GitHub] [dubbo] gang0713 removed a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 removed a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890668733
我用您的代码，在CentOS 8.3.2011下还是消费端报错。
2021-08-02 10:39:26 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment
2021-08-02 10:39:26 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:108 - Tomcat initialized with port(s): 9081 (http)
2021-08-02 10:39:26 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Initializing ProtocolHandler ["http-nio-9081"]
2021-08-02 10:39:26 INFO org.apache.catalina.core.StandardService:173 - Starting service [Tomcat]
2021-08-02 10:39:26 INFO org.apache.catalina.core.StandardEngine:173 - Starting Servlet engine: [Apache Tomcat/9.0.46]
2021-08-02 10:39:26 INFO org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/]:173 - Initializing Spring embedded WebApplicationContext
2021-08-02 10:39:26 INFO org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext:285 - Root WebApplicationContext: initialization completed in 892 ms
2021-08-02 10:39:26 INFO org.apache.dubbo.config.spring.reference.ReferenceCreator:95 - The configBean[type:ReferenceConfig] has been built.
2021-08-02 10:39:26 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor:181 - Initializing ExecutorService 'applicationTaskExecutor'
2021-08-02 10:39:26 INFO org.reflections.Reflections:232 - Reflections took 47 ms to scan 1 urls, producing 3 keys and 6 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 34 ms to scan 1 urls, producing 4 keys and 9 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 28 ms to scan 1 urls, producing 3 keys and 10 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 183 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 29 ms to scan 1 urls, producing 1 keys and 5 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 24 ms to scan 1 urls, producing 1 keys and 7 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 20 ms to scan 1 urls, producing 2 keys and 8 values
2021-08-02 10:39:27 INFO org.reflections.Reflections:232 - Reflections took 100 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-02 10:39:27 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler:181 - Initializing ExecutorService 'taskScheduler'
2021-08-02 10:39:27 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Starting ProtocolHandler ["http-nio-9081"]
2021-08-02 10:39:27 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:220 - Tomcat started on port(s): 9081 (http) with context path ''
2021-08-02 10:39:31 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:61 - Started ShopServiceConsumerApplication in 6.713 seconds (JVM running for 7.309)
2021-08-02 10:39:35 ERROR org.springframework.scheduling.support.TaskUtils$LoggingErrorHandler:95 - Unexpected error occurred in scheduled task
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 127.0.0.1:8849 on the consumer 192.168.0.20 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:89) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51) ~[dubbo-3.0.1.jar!/:3.0.1]
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-888073691
@kylixs 把spring-context-support升级到1.0.11可以了，1.0.11之前的版本不行
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890675099
@pinxiong 是的，我win10下也是用的Nacos 2.0.2 和1.4.2都可以。就是部署到centos8.3下就不行。
我这个Nacos是部署在docker上的。
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-893213296
> #### Environment
> * Nacos: 1.4.2
> * Souce Code: https://github.com/pinxiong/spring-boot-dubbo-nacos-demo
> * OS: Cent OS7
>
> I was trying to use docker run `Nacos` and then run `shop-service-provider` and `shop-service-consumer` to reproduce this issu again. I found some errors in `logs/nacos/remote.log`
>
> ```java
> 2021-08-04 11:39:26.523 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]RpcClient init, ServerListFactory =com.alibaba.nacos.client.naming.core.ServerListManager
> 2021-08-04 11:39:26.530 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
> 2021-08-04 11:39:27.569 ERROR [main :grpc.GrpcClient] 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
> 2021-08-04 11:39:27.573 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
> 2021-08-04 11:39:27.588 ERROR [main :grpc.GrpcClient] 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
> 2021-08-04 11:39:27.589 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
> 2021-08-04 11:39:27.597 ERROR [main :grpc.GrpcClient] 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
> 2021-08-04 11:39:27.598 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$ConnectResetRequestHandler
> 2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$4
> 2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.client.naming.remote.gprc.NamingPushRequestHandler
> 2021-08-04 11:39:27.600 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Registry connection listener to current client:com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcConnectionEventListener
> 2021-08-04 11:39:27.600 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] try to re connect to a new server ,server is not appointed,will choose a random server.
> 2021-08-04 11:39:27.632 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
> 2021-08-04 11:39:27.756 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
> 2021-08-04 11:39:27.757 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] fail to connect server,after trying 1 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
> 2021-08-04 11:39:27.978 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
> ```
>
> That make me sure there is something wrong with `Nacos`. Also, I find the related issue in [blog](https://blog.csdn.net/qq_39099625/article/details/118610964) .
>
> @gang0713 Now, I think we need to follow the [issue#6521](https://github.com/alibaba/nacos/issues/6521) and push them to help us fix this problem.
@pinxiong yes.
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[GitHub] [dubbo] pinxiong edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-892599755
#### Environment
+ Nacos: 1.4.2
+ Souce Code: https://github.com/pinxiong/spring-boot-dubbo-nacos-demo
+ OS: Cent OS7
I was trying to use docker run `Nacos` and then run `shop-service-provider` and `shop-service-consumer` to reproduce this issu again. I found some errors in `logs/nacos/remote.log`
```java
2021-08-04 11:39:26.523 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]RpcClient init, ServerListFactory =com.alibaba.nacos.client.naming.core.ServerListManager
2021-08-04 11:39:26.530 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.569 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.573 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.588 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.589 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.597 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.598 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$ConnectResetRequestHandler
2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$4
2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.client.naming.remote.gprc.NamingPushRequestHandler
2021-08-04 11:39:27.600 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Registry connection listener to current client:com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcConnectionEventListener
2021-08-04 11:39:27.600 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] try to re connect to a new server ,server is not appointed,will choose a random server.
2021-08-04 11:39:27.632 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-04 11:39:27.756 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-04 11:39:27.757 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] fail to connect server,after trying 1 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
2021-08-04 11:39:27.978 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
```
That make me sure there is something wrong with `Nacos`. Also, I find the related issue in [blog](https://blog.csdn.net/qq_39099625/article/details/118610964) .
@gang0713 Now, I think we need to follow the [issue#6521](https://github.com/alibaba/nacos/issues/6521) and push them to help us fix this problem.
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890671300
我用您的代码，在centos8.3下支行，还是报错
服务端：
log4j:WARN No appenders could be found for logger (org.apache.dubbo.common.Version).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
2021-08-02 10:47:01 INFO org.apache.dubbo.spring.boot.context.event.WelcomeLogoApplicationListener:64 -
:: Dubbo Spring Boot (v3.0.1) : https://github.com/apache/dubbo-spring-boot-project
:: Dubbo (v3.0.1) : https://github.com/apache/dubbo
:: Discuss group : dev@dubbo.apache.org
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.3.12.RELEASE)
2021-08-02 10:47:01 INFO com.alibaba.boot.nacos.config.util.NacosConfigPropertiesUtils:47 - nacosConfigProperties : NacosConfigProperties{serverAddr='192.168.0.20:8849', contextPath='null', encode='null', endpoint='null', namespace='null', accessKey='null', secretKey='null', ramRoleName='null', autoRefresh=false, dataId='null', dataIds='null', group='DEFAULT_GROUP', type=null, maxRetry='null', configLongPollTimeout='null', configRetryTime='null', enableRemoteSyncConfig=false, extConfig=[], bootstrap=Bootstrap{enable=false, logEnable=false}}
2021-08-02 10:47:01 INFO com.alibaba.boot.nacos.config.autoconfigure.NacosConfigApplicationContextInitializer:75 - [Nacos Config Boot] : The preload configuration is not enabled
2021-08-02 10:47:01 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:55 - Starting ShopServiceProviderApplication on xykq.com with PID 299497 (/test/shop-service-provider-0.0.1.jar started by root in /test)
2021-08-02 10:47:01 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:648 - No active profile set, falling back to default profiles: default
2021-08-02 10:47:01 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboRelaxedBinding2AutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-02 10:47:01 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-02 10:47:02 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment
2021-08-02 10:47:02 INFO org.reflections.Reflections:232 - Reflections took 53 ms to scan 1 urls, producing 3 keys and 6 values
2021-08-02 10:47:02 INFO org.reflections.Reflections:232 - Reflections took 31 ms to scan 1 urls, producing 4 keys and 9 values
2021-08-02 10:47:02 INFO org.reflections.Reflections:232 - Reflections took 37 ms to scan 1 urls, producing 3 keys and 10 values
2021-08-02 10:47:02 INFO org.reflections.Reflections:232 - Reflections took 102 ms to scan 78 urls, producing 0 keys and 0 values
2021-08-02 10:47:02 INFO org.reflections.Reflections:232 - Reflections took 20 ms to scan 1 urls, producing 1 keys and 5 values
2021-08-02 10:47:02 INFO org.reflections.Reflections:232 - Reflections took 20 ms to scan 1 urls, producing 1 keys and 7 values
2021-08-02 10:47:02 INFO org.reflections.Reflections:232 - Reflections took 20 ms to scan 1 urls, producing 2 keys and 8 values
2021-08-02 10:47:02 INFO org.reflections.Reflections:232 - Reflections took 107 ms to scan 78 urls, producing 0 keys and 0 values
2021-08-02 10:47:11 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:61 - Started ShopServiceProviderApplication in 10.228 seconds (JVM running for 10.708)
2021-08-02 10:47:11 INFO org.apache.dubbo.spring.boot.context.event.AwaitingNonWebApplicationListener:159 - [Dubbo] Current Spring Boot Application is await...
消费端：
:: Dubbo Spring Boot (v3.0.1) : https://github.com/apache/dubbo-spring-boot-project
:: Dubbo (v3.0.1) : https://github.com/apache/dubbo
:: Discuss group : dev@dubbo.apache.org
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.3.12.RELEASE)
2021-08-02 10:47:15 INFO com.alibaba.boot.nacos.config.util.NacosConfigPropertiesUtils:47 - nacosConfigProperties : NacosConfigProperties{serverAddr='192.168.0.20:8849', contextPath='null', encode='null', endpoint='null', namespace='null', accessKey='null', secretKey='null', ramRoleName='null', autoRefresh=false, dataId='null', dataIds='null', group='DEFAULT_GROUP', type=null, maxRetry='null', configLongPollTimeout='null', configRetryTime='null', enableRemoteSyncConfig=false, extConfig=[], bootstrap=Bootstrap{enable=false, logEnable=false}}
2021-08-02 10:47:15 INFO com.alibaba.boot.nacos.config.autoconfigure.NacosConfigApplicationContextInitializer:75 - [Nacos Config Boot] : The preload configuration is not enabled
2021-08-02 10:47:15 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:55 - Starting ShopServiceConsumerApplication on xykq.com with PID 300496 (/test/shop-service-consumer-0.0.1.jar started by root in /test)
2021-08-02 10:47:15 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:648 - No active profile set, falling back to default profiles: default
2021-08-02 10:47:15 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-02 10:47:15 INFO org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor:463 - Register dubbo reference bean: shopService = ReferenceBean:cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0() at cn.raysonblog.shopservice.api.service.RpcShopService cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication.shopService
2021-08-02 10:47:15 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment
2021-08-02 10:47:16 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:108 - Tomcat initialized with port(s): 9081 (http)
2021-08-02 10:47:16 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Initializing ProtocolHandler ["http-nio-9081"]
2021-08-02 10:47:16 INFO org.apache.catalina.core.StandardService:173 - Starting service [Tomcat]
2021-08-02 10:47:16 INFO org.apache.catalina.core.StandardEngine:173 - Starting Servlet engine: [Apache Tomcat/9.0.46]
2021-08-02 10:47:16 INFO org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/]:173 - Initializing Spring embedded WebApplicationContext
2021-08-02 10:47:16 INFO org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext:285 - Root WebApplicationContext: initialization completed in 882 ms
2021-08-02 10:47:16 INFO org.apache.dubbo.config.spring.reference.ReferenceCreator:95 - The configBean[type:ReferenceConfig] has been built.
2021-08-02 10:47:16 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor:181 - Initializing ExecutorService 'applicationTaskExecutor'
2021-08-02 10:47:16 INFO org.reflections.Reflections:232 - Reflections took 47 ms to scan 1 urls, producing 3 keys and 6 values
2021-08-02 10:47:16 INFO org.reflections.Reflections:232 - Reflections took 35 ms to scan 1 urls, producing 4 keys and 9 values
2021-08-02 10:47:16 INFO org.reflections.Reflections:232 - Reflections took 28 ms to scan 1 urls, producing 3 keys and 10 values
2021-08-02 10:47:16 INFO org.reflections.Reflections:232 - Reflections took 168 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-02 10:47:16 INFO org.reflections.Reflections:232 - Reflections took 22 ms to scan 1 urls, producing 1 keys and 5 values
2021-08-02 10:47:17 INFO org.reflections.Reflections:232 - Reflections took 19 ms to scan 1 urls, producing 1 keys and 7 values
2021-08-02 10:47:17 INFO org.reflections.Reflections:232 - Reflections took 20 ms to scan 1 urls, producing 2 keys and 8 values
2021-08-02 10:47:17 INFO org.reflections.Reflections:232 - Reflections took 104 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-02 10:47:17 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler:181 - Initializing ExecutorService 'taskScheduler'
2021-08-02 10:47:17 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Starting ProtocolHandler ["http-nio-9081"]
2021-08-02 10:47:17 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:220 - Tomcat started on port(s): 9081 (http) with context path ''
2021-08-02 10:47:21 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:61 - Started ShopServiceConsumerApplication in 6.669 seconds (JVM running for 7.215)
2021-08-02 10:47:25 ERROR org.springframework.scheduling.support.TaskUtils$LoggingErrorHandler:95 - Unexpected error occurred in scheduled task
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 192.168.0.20:8849 on the consumer 192.168.0.20 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:89) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.support.ConsumerContextFilter.invoke(ConsumerContextFilter.java:101) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$ClusterFilterInvoker.invoke(AbstractCluster.java:93) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:93) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.registry.client.migration.MigrationInvoker.invoke(MigrationInvoker.java:276) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:95) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.common.bytecode.proxy0.sayHello(proxy0.java) ~[dubbo-3.0.1.jar!/:3.0.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_201]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_201]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_201]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_201]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at com.sun.proxy.$Proxy80.sayHello(Unknown Source) ~[?:?]
at cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication.taskCycle(ShopServiceConsumerApplication.java:41) ~[classes!/:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_201]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_201]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_201]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_201]
at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84) ~[spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) [spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:93) [spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_201]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_201]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_201]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:1.8.0_201]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_201]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_201]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
2021-08-02 10:47:30 ERROR org.springframework.scheduling.support.TaskUtils$LoggingErrorHandler:95 - Unexpected error occurred in scheduled task
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 192.168.0.20:8849 on the consumer 192.168.0.20 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:89) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.support.ConsumerContextFilter.invoke(ConsumerContextFilter.java:101) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$ClusterFilterInvoker.invoke(AbstractCluster.java:93) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:93) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.registry.client.migration.MigrationInvoker.invoke(MigrationInvoker.java:276) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:95) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.common.bytecode.proxy0.sayHello(proxy0.java) ~[dubbo-3.0.1.jar!/:3.0.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_201]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_201]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_201]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_201]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at com.sun.proxy.$Proxy80.sayHello(Unknown Source) ~[?:?]
at cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication.taskCycle(ShopServiceConsumerApplication.java:41) ~[classes!/:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_201]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_201]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_201]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_201]
at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84) ~[spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) [spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:93) [spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_201]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_201]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_201]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:1.8.0_201]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_201]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_201]
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[GitHub] [dubbo] gang0713 removed a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 removed a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-878867510
@kylixs 项目的工程不能外发，单独搞了一个工程，配置和我的一样。
下载地址：https://wws.lanzoui.com/iC87ird43mj
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890300594
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[GitHub] [dubbo] gang0713 removed a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 removed a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-894059865
@pinxiong 有试过用官方的docker角本吗？https://github.com/nacos-group/nacos-docker
Run the following command：
Clone project
git clone --depth 1 https://github.com/nacos-group/nacos-docker.git
cd nacos-docker
Standalone Derby
docker-compose -f example/standalone-derby.yaml up
我试了，控制台可以注册上（生产端没有注册上，消费端注册上了），dubbo客户端访问还是报错。
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[GitHub] [dubbo] kylixs commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
kylixs commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-875247512
Could you provide a simple demo project to reproduce the problem? You can upload it to this issue or give a repo url.
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890300743
@pinxiong logs/nacos/remote.log 中未见异常，这个demo可以拿到linux下运行下看。
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890487736
> @pinxiong 不行，windos10下，nacos控制台有数据，linux下没有。CentOS Linux release 8.3.2011
>
> 下图是win10下的nacos控制台有数据
> 
Your reply makes me confused, I think we're not talking about the same thing.
Now, Let's make sure of a few things below
+ The source code I have uploaded can reproduce your issue or not? If not, please do a update
+ Do your problem only occur in Cent OS environment?
+ And is it work well in Windown 10? If yes, we don't need to focus on Windown 10
I hope we can discuss more efficiently, because it takes a lot of energy to build different environments.
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[GitHub] [dubbo] gang0713 edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-878905150
在nacos控制台看到服务都注册上来了，但是不加URl就访问不了。
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-892599755
#### Environment
+ Nacos: 1.4.2
+ Souce Code: https://github.com/pinxiong/spring-boot-dubbo-nacos-demo
+ OS: Cent OS7
I was trying to use docker run `Nacos` and then run `shop-service-provider` and `shop-service-consumer` to reproduce this issu again. I found some errors in `logs/nacos/remote.log`
```java
2021-08-04 11:39:26.523 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]RpcClient init, ServerListFactory =com.alibaba.nacos.client.naming.core.ServerListManager
2021-08-04 11:39:26.530 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.569 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.573 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.588 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.589 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.597 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.598 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$ConnectResetRequestHandler
2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$4
2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.client.naming.remote.gprc.NamingPushRequestHandler
2021-08-04 11:39:27.600 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Registry connection listener to current client:com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcConnectionEventListener
2021-08-04 11:39:27.600 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] try to re connect to a new server ,server is not appointed,will choose a random server.
2021-08-04 11:39:27.632 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-04 11:39:27.756 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-04 11:39:27.757 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] fail to connect server,after trying 1 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
2021-08-04 11:39:27.978 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
```
That make me sure that something is wrong with `Nacos`. Also, I find the related issue in [blog](https://blog.csdn.net/qq_39099625/article/details/118610964) .
@gang0713 Now, I think we need to follow the [issue#6521](https://github.com/alibaba/nacos/issues/6521) and push them to help us fix this problem.
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890443022
> @pinxiong logs/nacos/remote.log 中未见异常，这个demo可以拿到linux下运行下看。
#### Source Code
I downloaded the source code and do some changes below, and then uploaded it to [github repository](https://github.com/pinxiong/spring-boot-dubbo-nacos-demo)
+ Update the log4j2 in `shop-service-provider` and `shop-service-consumer`
```java
<Properties>
<!-- 日志保存路径 -->
<property name="LOG_HOME">log</property>
......
</Properties>
```
+ Update README.md file
It's convenient for us to discussion, you can update the souce code if you want to do any changes.
#### Reproduce
I installed a machine and the environment as follow:
+ Cent OS 7.7
```shell
[root@ip-192-0-4-195 ~]# cat /etc/redhat-release
CentOS Linux release 7.7.1908 (Core)
```
+ JDK
```shell
[root@ip-192-0-4-195 ~]# java -version
java version "1.8.0_301"
Java(TM) SE Runtime Environment (build 1.8.0_301-b09)
Java HotSpot(TM) Server VM (build 25.301-b09, mixed mode)
```
+ Nacos
<img width="759" alt="Nacos 1 4 2" src="https://user-images.githubusercontent.com/7067417/127758466-3c3645a0-3227-4de5-9d33-6421249b8c90.png">
##### Start Provider
```shell
[root@ip-192-0-4-195 spring-boot-dubbo-nacos-demo]# java -jar shop-service-provider/target/shop-service-provider-0.0.1.jar
log4j:WARN No appenders could be found for logger (org.apache.dubbo.common.Version).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
2021-08-01 02:20:17 INFO org.apache.dubbo.spring.boot.context.event.WelcomeLogoApplicationListener:64 -
:: Dubbo Spring Boot (v3.0.1) : https://github.com/apache/dubbo-spring-boot-project
:: Dubbo (v3.0.1) : https://github.com/apache/dubbo
:: Discuss group : dev@dubbo.apache.org
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.3.12.RELEASE)
2021-08-01 02:20:17 INFO com.alibaba.boot.nacos.config.util.NacosConfigPropertiesUtils:47 - nacosConfigProperties : NacosConfigProperties{serverAddr='127.0.0.1:8848', contextPath='null', encode='null', endpoint='null', namespace='null', accessKey='null', secretKey='null', ramRoleName='null', autoRefresh=false, dataId='null', dataIds='null', group='DEFAULT_GROUP', type=null, maxRetry='null', configLongPollTimeout='null', configRetryTime='null', enableRemoteSyncConfig=false, extConfig=[], bootstrap=Bootstrap{enable=false, logEnable=false}}
2021-08-01 02:20:17 INFO com.alibaba.boot.nacos.config.autoconfigure.NacosConfigApplicationContextInitializer:75 - [Nacos Config Boot] : The preload configuration is not enabled
2021-08-01 02:20:17 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:55 - Starting ShopServiceProviderApplication on 192-0-4-195 with PID 2463 (/root/***/workspace/spring-boot-dubbo-nacos-demo/shop-service-provider/target/shop-service-provider-0.0.1.jar started by root in /root/***/workspace/spring-boot-dubbo-nacos-demo)
2021-08-01 02:20:17 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:648 - No active profile set, falling back to default profiles: default
2021-08-01 02:20:18 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboRelaxedBinding2AutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-01 02:20:18 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-01 02:20:18 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment
2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 113 ms to scan 1 urls, producing 3 keys and 6 values
2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 76 ms to scan 1 urls, producing 4 keys and 9 values
2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 66 ms to scan 1 urls, producing 3 keys and 10 values
2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 224 ms to scan 78 urls, producing 0 keys and 0 values
2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 43 ms to scan 1 urls, producing 1 keys and 5 values
2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 39 ms to scan 1 urls, producing 1 keys and 7 values
2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 36 ms to scan 1 urls, producing 2 keys and 8 values
2021-08-01 02:20:20 INFO org.reflections.Reflections:232 - Reflections took 216 ms to scan 78 urls, producing 0 keys and 0 values
2021-08-01 02:20:31 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:61 - Started ShopServiceProviderApplication in 14.226 seconds (JVM running for 15.856)
2021-08-01 02:20:31 INFO org.apache.dubbo.spring.boot.context.event.AwaitingNonWebApplicationListener:159 - [Dubbo] Current Spring Boot Application is await...
```
##### Start Consumer
```shell
[root@ip-192-0-4-195 spring-boot-dubbo-nacos-demo]# java -jar shop-service-consumer/target/shop-service-consumer-0.0.1.jar
log4j:WARN No appenders could be found for logger (org.apache.dubbo.common.Version).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
2021-08-01 02:21:31 INFO org.apache.dubbo.spring.boot.context.event.WelcomeLogoApplicationListener:64 -
:: Dubbo Spring Boot (v3.0.1) : https://github.com/apache/dubbo-spring-boot-project
:: Dubbo (v3.0.1) : https://github.com/apache/dubbo
:: Discuss group : dev@dubbo.apache.org
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.3.12.RELEASE)
2021-08-01 02:21:31 INFO com.alibaba.boot.nacos.config.util.NacosConfigPropertiesUtils:47 - nacosConfigProperties : NacosConfigProperties{serverAddr='127.0.0.1:8848', contextPath='null', encode='null', endpoint='null', namespace='null', accessKey='null', secretKey='null', ramRoleName='null', autoRefresh=false, dataId='null', dataIds='null', group='DEFAULT_GROUP', type=null, maxRetry='null', configLongPollTimeout='null', configRetryTime='null', enableRemoteSyncConfig=false, extConfig=[], bootstrap=Bootstrap{enable=false, logEnable=false}}
2021-08-01 02:21:31 INFO com.alibaba.boot.nacos.config.autoconfigure.NacosConfigApplicationContextInitializer:75 - [Nacos Config Boot] : The preload configuration is not enabled
2021-08-01 02:21:31 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:55 - Starting ShopServiceConsumerApplication on 192-0-4-195 with PID 2989 (/root/***/workspace/spring-boot-dubbo-nacos-demo/shop-service-consumer/target/shop-service-consumer-0.0.1.jar started by root in /root/***/workspace/spring-boot-dubbo-nacos-demo)
2021-08-01 02:21:32 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:648 - No active profile set, falling back to default profiles: default
2021-08-01 02:21:34 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-01 02:21:34 INFO org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor:463 - Register dubbo reference bean: shopService = ReferenceBean:cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0() at cn.raysonblog.shopservice.api.service.RpcShopService cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication.shopService
2021-08-01 02:21:35 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment
2021-08-01 02:21:36 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:108 - Tomcat initialized with port(s): 9081 (http)
2021-08-01 02:21:36 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Initializing ProtocolHandler ["http-nio-9081"]
2021-08-01 02:21:36 INFO org.apache.catalina.core.StandardService:173 - Starting service [Tomcat]
2021-08-01 02:21:36 INFO org.apache.catalina.core.StandardEngine:173 - Starting Servlet engine: [Apache Tomcat/9.0.46]
2021-08-01 02:21:36 INFO org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/]:173 - Initializing Spring embedded WebApplicationContext
2021-08-01 02:21:36 INFO org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext:285 - Root WebApplicationContext: initialization completed in 4050 ms
2021-08-01 02:21:37 INFO org.apache.dubbo.config.spring.reference.ReferenceCreator:95 - The configBean[type:ReferenceConfig] has been built.
2021-08-01 02:21:37 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor:181 - Initializing ExecutorService 'applicationTaskExecutor'
2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 99 ms to scan 1 urls, producing 3 keys and 6 values
2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 85 ms to scan 1 urls, producing 4 keys and 9 values
2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 78 ms to scan 1 urls, producing 3 keys and 10 values
2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 472 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 64 ms to scan 1 urls, producing 1 keys and 5 values
2021-08-01 02:21:40 INFO org.reflections.Reflections:232 - Reflections took 56 ms to scan 1 urls, producing 1 keys and 7 values
2021-08-01 02:21:40 INFO org.reflections.Reflections:232 - Reflections took 65 ms to scan 1 urls, producing 2 keys and 8 values
2021-08-01 02:21:40 INFO org.reflections.Reflections:232 - Reflections took 425 ms to scan 89 urls, producing 0 keys and 0 values
2021-08-01 02:21:42 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler:181 - Initializing ExecutorService 'taskScheduler'
2021-08-01 02:21:42 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Starting ProtocolHandler ["http-nio-9081"]
2021-08-01 02:21:42 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:220 - Tomcat started on port(s): 9081 (http) with context path ''
2021-08-01 02:21:48 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:61 - Started ShopServiceConsumerApplication in 17.698 seconds (JVM running for 20.443)
2021-08-01 02:21:50 ERROR org.springframework.scheduling.support.TaskUtils$LoggingErrorHandler:95 - Unexpected error occurred in scheduled task
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 127.0.0.1:8848 on the consumer 192.0.4.195 using the dubbo version 3.0.1. Please check if the providers have been started and registered.
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:89) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.support.ConsumerContextFilter.invoke(ConsumerContextFilter.java:101) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$ClusterFilterInvoker.invoke(AbstractCluster.java:93) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:93) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.registry.client.migration.MigrationInvoker.invoke(MigrationInvoker.java:276) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:95) ~[dubbo-3.0.1.jar!/:3.0.1]
at org.apache.dubbo.common.bytecode.proxy0.sayHello(proxy0.java) ~[dubbo-3.0.1.jar!/:3.0.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_301]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_301]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_301]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_301]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at com.sun.proxy.$Proxy80.sayHello(Unknown Source) ~[?:?]
at cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication.taskCycle(ShopServiceConsumerApplication.java:41) ~[classes!/:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_301]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_301]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_301]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_301]
at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84) ~[spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) [spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:93) [spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_301]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_301]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_301]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:1.8.0_301]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_301]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_301]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_301]
```
#### Result
I cannot get any data in Nacos portal
<img width="1007" alt="No data in Nacos" src="https://user-images.githubusercontent.com/7067417/127758481-b4282f65-3c17-4ce9-91de-a2b3c81b0581.png">
Also, I got some mistakes in `logs/nacos/remote.log`
```shell
2021-08-01 03:03:35.768 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [0e5fcd6a-47fb-40fe-a0ec-175e2df4956f] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
2021-08-01 03:03:36.330 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-01 03:03:36.330 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [facbcb0d-1b21-4fb3-8a20-19b53a22a3c4_config-0] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
2021-08-01 03:03:39.593 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-01 03:03:39.594 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [d232a7ea-c29f-4046-b5f2-3f0c5b11df3d] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
2021-08-01 03:03:39.782 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-01 03:03:39.782 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [babf4f72-b39d-46d0-b469-14fd173f828e] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
2021-08-01 03:03:40.238 ERROR [com.alibaba.nacos.client.Worker:remote.client] Send request fail, request=ConfigBatchListenRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=583727c5868e57894225406f5245d218, Client-RequestTS=1627787020138, exConfigInfo=true, Timestamp=1627787020138}, requestId='null'}, retryTimes=0,errorMessage=Client not connected,current status:STARTING
2021-08-01 03:03:40.243 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-01 03:03:40.244 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [9a83d9f9-783b-4846-a532-e4c1a91095ac_config-0] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
2021-08-01 03:03:40.338 ERROR [com.alibaba.nacos.client.Worker:remote.client] Send request fail, request=ConfigBatchListenRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=583727c5868e57894225406f5245d218, Client-RequestTS=1627787020138, exConfigInfo=true, Timestamp=1627787020138}, requestId='null'}, retryTimes=1,errorMessage=Client not connected,current status:STARTING
2021-08-01 03:03:40.439 ERROR [com.alibaba.nacos.client.Worker:remote.client] Send request fail, request=ConfigBatchListenRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=583727c5868e57894225406f5245d218, Client-RequestTS=1627787020138, exConfigInfo=true, Timestamp=1627787020138}, requestId='null'}, retryTimes=2,errorMessage=Client not connected,current status:STARTING
2021-08-01 03:03:40.770 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-01 03:03:40.770 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [0e5fcd6a-47fb-40fe-a0ec-175e2df4956f] fail to connect server,after trying 544 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
```
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[GitHub] [dubbo] gang0713 closed issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 closed issue #8225:
URL: https://github.com/apache/dubbo/issues/8225
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[GitHub] [dubbo] pinxiong edited a comment on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong edited a comment on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890487736
> @pinxiong 不行，windos10下，nacos控制台有数据，linux下没有。CentOS Linux release 8.3.2011
>
> 下图是win10下的nacos控制台有数据
> 
@gang0713 Your reply makes me confused, I think we're not discussing about the same thing.
Now, Let's make sure of a few things below
+ The [source code](git@github.com:pinxiong/spring-boot-dubbo-nacos-demo.git) I have uploaded can reproduce your issue or not? If not, please do a update
+ Do your problem only occur in Cent OS environment?
+ And is it work well in Windown 10? If yes, we don't need to focus on Windown 10
I hope we can discuss more efficiently, because it takes a lot of energy to build different environments.
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-894163427
@pinxiong 使用https://github.com/nacos-group/nacos-docker中的例子可以了。要多开一个端口。
Tips: You can change the version of the Nacos image in the compose file from the following configuration. example/.env
NACOS_VERSION=2.0.2
Run the following command：
Clone project
git clone --depth 1 https://github.com/nacos-group/nacos-docker.git
cd nacos-docker
Standalone Derby
docker-compose -f example/standalone-derby.yaml up
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[GitHub] [dubbo] gang0713 commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
gang0713 commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-878869120
@kylixs 项目的工程不能外发，单独搞了一个工程，配置和我的一样。
下载地址：https://wws.lanzoui.com/i1xCurd0tti
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[GitHub] [dubbo] pinxiong commented on issue #8225: 关于 @DubboReference 注解中不配置URL问题
Posted by GitBox <gi...@apache.org>.
pinxiong commented on issue #8225:
URL: https://github.com/apache/dubbo/issues/8225#issuecomment-892599755
#### Environment
+ Nacos: 1.4.2
+ Souce Code: https://github.com/pinxiong/spring-boot-dubbo-nacos-demo
+ OS: Cent OS7
I was trying to use docker run `Nacos` and then run `shop-service-provider` and `shop-service-consumer` to reproduce this issu again. I found some errors in `logs/nacos/remote.log`
```java
2021-08-04 11:39:26.523 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]RpcClient init, ServerListFactory =com.alibaba.nacos.client.naming.core.ServerListManager
2021-08-04 11:39:26.530 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.569 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.573 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.588 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.589 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] Try to connect to server on start up, server: {serverIp='127.0.0.1', server main port=8848}
2021-08-04 11:39:27.597 ERROR [main :grpc.GrpcClient] 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
2021-08-04 11:39:27.598 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$ConnectResetRequestHandler
2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$4
2021-08-04 11:39:27.599 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Register server push request handler:com.alibaba.nacos.client.naming.remote.gprc.NamingPushRequestHandler
2021-08-04 11:39:27.600 INFO [main :remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423]Registry connection listener to current client:com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcConnectionEventListener
2021-08-04 11:39:27.600 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] try to re connect to a new server ,server is not appointed,will choose a random server.
2021-08-04 11:39:27.632 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-04 11:39:27.756 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
2021-08-04 11:39:27.757 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [1fa7febd-66d0-4d0a-89f7-558273620423] fail to connect server,after trying 1 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown
2021-08-04 11:39:27.978 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] 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
```
That make me sure that something is wrong with `Nacos`. Also, I find the related issue in [blog](https://blog.csdn.net/qq_39099625/article/details/118610964) .
@gang0713 Now, I think we need to follow the [issue#6521](https://github.com/alibaba/nacos/issues/6521) and push them to help us fix this problem.
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