chickenlj opened a new issue, #10541: URL: https://github.com/apache/dubbo/issues/10541
```java [03/09/22 06:27:41:041 CST] DubboShutdownHook WARN integration.DynamicDirectory: [DUBBO] unexpected error when unsubscribe service merge2,merge3/org.apache.dubbo.samples.merge.api.MergeService from registry: nacos://127.0.0.1:8848/org.apache.dubbo.registry.RegistryService?application=merge-consumer&dubbo=2.0.2&interface=org.apache.dubbo.registry.RegistryService&pid=26840&release=3.1.0, dubbo version: 3.1.0, current host: 30.221.208.119, error code: 1-8. This may be caused by , go to https://dubbo.apache.org/faq/1/8 to find instructions. java.lang.IllegalStateException: Failed to unsubscribe consumer://30.221.208.119/org.apache.dubbo.samples.merge.api.MergeService?application=merge-consumer&background=false&category=providers,configurators,routers&dubbo=2.0.2&group=merge2,merge3&interface=org.apache.dubbo.samples.merge.api.MergeService&methods=mergeResult&pid=26840&release=3.1.0&side=consumer&sticky=false×tamp=1662200561561 to registry 127.0.0.1:8848, cause: null at org.apache.dubbo.registry.support.FailbackRegistry.unsubscribe(FailbackRegistry.java:344) at org.apache.dubbo.registry.ListenerRegistryWrapper.unsubscribe(ListenerRegistryWrapper.java:136) at org.apache.dubbo.registry.integration.DynamicDirectory.destroy(DynamicDirectory.java:309) at org.apache.dubbo.registry.integration.RegistryDirectory.destroy(RegistryDirectory.java:135) at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.destroy(AbstractClusterInvoker.java:128) at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.destroy(MockClusterInvoker.java:87) at org.apache.dubbo.registry.client.migration.MigrationInvoker.destroy(MigrationInvoker.java:325) at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:61) at org.apache.dubbo.samples.merge.api.MergeServiceDubboProxy1.$destroy(MergeServiceDubboProxy1.java) at org.apache.dubbo.config.utils.SimpleReferenceCache.destroyReference(SimpleReferenceCache.java:264) at org.apache.dubbo.config.utils.SimpleReferenceCache.lambda$destroyAll$4(SimpleReferenceCache.java:253) at java.util.concurrent.ConcurrentHashMap.forEach(ConcurrentHashMap.java:1597) at org.apache.dubbo.config.utils.SimpleReferenceCache.destroyAll(SimpleReferenceCache.java:251) at org.apache.dubbo.config.deploy.DefaultModuleDeployer.unreferServices(DefaultModuleDeployer.java:402) at org.apache.dubbo.config.deploy.DefaultModuleDeployer.postDestroy(DefaultModuleDeployer.java:208) at org.apache.dubbo.rpc.model.ModuleModel.onDestroy(ModuleModel.java:108) at org.apache.dubbo.rpc.model.ScopeModel.destroy(ScopeModel.java:113) at org.apache.dubbo.rpc.model.ApplicationModel.onDestroy(ApplicationModel.java:256) at org.apache.dubbo.rpc.model.ScopeModel.destroy(ScopeModel.java:113) at org.apache.dubbo.config.DubboShutdownHook.doDestroy(DubboShutdownHook.java:78) at org.apache.dubbo.config.DubboShutdownHook.run(DubboShutdownHook.java:73) Caused by: java.lang.NullPointerException at org.apache.dubbo.registry.nacos.NacosRegistry.doUnsubscribe(NacosRegistry.java:280) at org.apache.dubbo.registry.support.FailbackRegistry.unsubscribe(FailbackRegistry.java:332) ... 20 more ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
