[GitHub] [dubbo-samples] chickenlj commented on pull request #756: Dubbo-samples-stub Refactor to springboot style

["chickenlj (via GitHub)" <gi...@apache.org>]

chickenlj commented on PR #756:
URL: https://github.com/apache/dubbo-samples/pull/756#issuecomment-1452859122

   > I have checked the workflow results, and I find that many other modules fail but I think I don't change them. For my dubbo-samples-stub module, I run its integration test locally with 3.2.0-beta.4 successfully. But if run with 3.2.0-beta.5, the below error will appear.
   > 
   > ```java
   > java.lang.IllegalStateException: Extension instance (name: observationreceiver, class: interface org.apache.dubbo.rpc.Filter) couldn't be instantiated: null
   > 	at org.apache.dubbo.common.extension.ExtensionLoader.createExtension(ExtensionLoader.java:826)
   > 	at org.apache.dubbo.common.extension.ExtensionLoader.getExtension(ExtensionLoader.java:575)
   > 	at org.apache.dubbo.common.extension.ExtensionLoader.getExtension(ExtensionLoader.java:549)
   > 	at org.apache.dubbo.common.extension.ExtensionLoader.lambda$getActivateExtension$4(ExtensionLoader.java:398)
   > 	at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:721)
   > 	at java.base/java.util.Collections$SynchronizedMap.forEach(Collections.java:2735)
   > 	at org.apache.dubbo.common.extension.ExtensionLoader.getActivateExtension(ExtensionLoader.java:393)
   > 	at org.apache.dubbo.common.extension.ExtensionLoader.getActivateExtension(ExtensionLoader.java:331)
   > 	at org.apache.dubbo.rpc.cluster.filter.DefaultFilterChainBuilder.buildInvokerChain(DefaultFilterChainBuilder.java:50)
   > 	at org.apache.dubbo.rpc.cluster.filter.ProtocolFilterWrapper.export(ProtocolFilterWrapper.java:61)
   > 	at org.apache.dubbo.rpc.protocol.ProtocolSerializationWrapper.export(ProtocolSerializationWrapper.java:47)
   > 	at org.apache.dubbo.rpc.Protocol$Adaptive.export(Protocol$Adaptive.java)
   > 	at org.apache.dubbo.config.ServiceConfig.doExportUrl(ServiceConfig.java:738)
   > 	at org.apache.dubbo.config.ServiceConfig.exportLocal(ServiceConfig.java:754)
   > 	at org.apache.dubbo.config.ServiceConfig.exportUrl(ServiceConfig.java:640)
   > 	at org.apache.dubbo.config.ServiceConfig.doExportUrlsFor1Protocol(ServiceConfig.java:450)
   > 	at org.apache.dubbo.config.ServiceConfig.doExportUrls(ServiceConfig.java:432)
   > 	at org.apache.dubbo.config.ServiceConfig.doExport(ServiceConfig.java:394)
   > 	at org.apache.dubbo.config.ServiceConfig.export(ServiceConfig.java:246)
   > 	at org.apache.dubbo.config.deploy.DefaultModuleDeployer.exportServiceInternal(DefaultModuleDeployer.java:350)
   > 	at org.apache.dubbo.config.deploy.DefaultModuleDeployer.exportServices(DefaultModuleDeployer.java:322)
   > 	at org.apache.dubbo.config.deploy.DefaultModuleDeployer.startSync(DefaultModuleDeployer.java:158)
   > 	at org.apache.dubbo.config.deploy.DefaultModuleDeployer.start(DefaultModuleDeployer.java:139)
   > 	at org.apache.dubbo.config.spring.context.DubboDeployApplicationListener.onContextRefreshedEvent(DubboDeployApplicationListener.java:113)
   > 	at org.apache.dubbo.config.spring.context.DubboDeployApplicationListener.onApplicationEvent(DubboDeployApplicationListener.java:102)
   > 	at org.apache.dubbo.config.spring.context.DubboDeployApplicationListener.onApplicationEvent(DubboDeployApplicationListener.java:47)
   > 	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176)
   > 	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169)
   > 	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143)
   > 	at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:413)
   > 	at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:370)
   > 	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935)
   > 	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:587)
   > 	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:730)
   > 	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:432)
   > 	at org.springframework.boot.SpringApplication.run(SpringApplication.java:308)
   > 	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1302)
   > 	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1291)
   > 	at org.apache.dubbo.samples.stub.provider.StubProvider.main(StubProvider.java:33)
   > ```
   
   Yes, it's caused by other changes in apache/dubbo repo. 


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