AYue-94 opened a new issue, #271:
URL: https://github.com/apache/dubbo-spi-extensions/issues/271
### Environment
* Dubbo version: 3.2.0
* Operating System version: xxx
* Java version: 1.8
### Steps to reproduce this issue
1）use dubbo-samples/3-extensions/registry/dubbo-samples-xds
2）kubectl label pods -n dubbo-demo {podName1} version=v1 && kubectl label
pods -n dubbo-demo {podName2} version=v2
3）kubectl apply -f VirtualService.yaml
```yaml
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: dubbo-samples-xds-provider
namespace: dubbo-demo
spec:
hosts:
- dubbo-samples-xds-provider.dubbo-demo.svc.cluster.local
http:
- match:
- port: 50051
route:
- destination:
host: dubbo-samples-xds-provider.dubbo-demo.svc.cluster.local
subset: v1
port:
number: 50051
weight: 50
- destination:
host: dubbo-samples-xds-provider.dubbo-demo.svc.cluster.local
subset: v2
port:
number: 50051
weight: 50
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: dubbo-samples-xds-provider
namespace: dubbo-demo
spec:
host: dubbo-samples-xds-provider.dubbo-demo.svc.cluster.local
trafficPolicy:
loadBalancer:
simple: ROUND_ROBIN
subsets:
- name: v1
labels:
version: v1
- name: v2
labels:
version: v2
```
### Expected Behavior
consumer can find 2 invokers.
### Actual Behavior
no invokers found.
```
May 31, 2023 5:47:26 AM
org.apache.dubbo.rpc.cluster.directory.AbstractDirectory warn
WARNING: [DUBBO] No provider available after connectivity filter for the
service org.apache.dubbo.samples.api.GreetingService:1.0.0 All validInvokers'
size: 0 All routed invokers' size: 0 All invokers' size: 0 from registry
istiod.istio-system.svc:15012 on the consumer 10.1.3.76 using the dubbo version
3.2.0., dubbo version: 3.2.0, current host: 10.1.3.76, error code: 2-2. This
may be caused by provider server or registry center crashed, go to
https://dubbo.apache.org/faq/2/2 to find instructions.
org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in
the service org.apache.dubbo.samples.api.GreetingService. No provider available
for the service org.apache.dubbo.samples.api.GreetingService:1.0.0 from
registry istiod.istio-system.svc:15012 on the consumer 10.1.3.76 using the
dubbo version 3.2.0. Please check if the providers have been started and
registered.
at
org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:367)
at
org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:60)
at
org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:341)
at
org.apache.dubbo.rpc.cluster.router.RouterSnapshotFilter.invoke(RouterSnapshotFilter.java:46)
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:331)
at
org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:101)
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:331)
at
org.apache.dubbo.rpc.cluster.filter.support.MetricsClusterFilter.invoke(MetricsClusterFilter.java:51)
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:331)
at
org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:52)
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:331)
at
org.apache.dubbo.rpc.cluster.filter.support.ObservationSenderFilter.invoke(ObservationSenderFilter.java:61)
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:331)
at
org.apache.dubbo.spring.security.filter.ContextHolderParametersSelectedTransferFilter.invoke(ContextHolderParametersSelectedTransferFilter.java:41)
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:331)
at
org.apache.dubbo.rpc.cluster.filter.support.ConsumerClassLoaderFilter.invoke(ConsumerClassLoaderFilter.java:40)
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:331)
at
org.apache.dubbo.rpc.cluster.filter.support.ConsumerContextFilter.invoke(ConsumerContextFilter.java:118)
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:331)
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CallbackRegistrationInvoker.invoke(FilterChainBuilder.java:194)
at
org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$ClusterFilterInvoker.invoke(AbstractCluster.java:91)
at
org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:103)
at
org.apache.dubbo.rpc.cluster.support.wrapper.ScopeClusterInvoker.invoke(ScopeClusterInvoker.java:131)
at
org.apache.dubbo.registry.client.migration.MigrationInvoker.invoke(MigrationInvoker.java:284)
at
org.apache.dubbo.rpc.proxy.InvocationUtil.invoke(InvocationUtil.java:57)
at
org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:75)
at
org.apache.dubbo.samples.api.GreetingServiceDubboProxy0.sayHello(GreetingServiceDubboProxy0.java)
at sun.reflect.GeneratedMethodAccessor35.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
at com.sun.proxy.$Proxy27.sayHello(Unknown Source)
at
org.apache.dubbo.samples.action.GreetingServiceConsumer.doSayHello(GreetingServiceConsumer.java:34)
at
org.apache.dubbo.samples.ConsumerBootstrap.main(ConsumerBootstrap.java:38)
May 31, 2023 5:47:26 AM org.apache.dubbo.rpc.cluster.SingleRouterChain warn
WARNING: [DUBBO] No provider available after route for the service
org.apache.dubbo.samples.api.GreetingService:1.0.0 from registry 10.1.3.76 on
the consumer 10.1.3.76 using the dubbo version 3.2.0. Router snapshot is below:
[ Parent (Input: 0) (Current Node Output: 0) (Chain Node Output: 0) ] Input:
Empty -> Chain Node Output: Empty
[ MockInvokersSelector (Input: 0) (Current Node Output: 0) (Chain Node
Output: 0) Router message: Empty invokers. Directly return. ] Current Node
Output: Empty, dubbo version: 3.2.0, current host: 10.1.3.76, error code: 2-2.
This may be caused by No provider available after route for the service, go to
https://dubbo.apache.org/faq/2/2 to find instructions.
May 31, 2023 5:47:26 AM
org.apache.dubbo.rpc.cluster.directory.AbstractDirectory warn
WARNING: [DUBBO] No provider available after connectivity filter for the
service org.apache.dubbo.samples.api.GreetingService:1.0.0 All validInvokers'
size: 0 All routed invokers' size: 0 All invokers' size: 0 from registry
istiod.istio-system.svc:15012 on the consumer 10.1.3.76 using the dubbo version
3.2.0., dubbo version: 3.2.0, current host: 10.1.3.76, error code: 2-2. This
may be caused by provider server or registry center crashed, go to
https://dubbo.apache.org/faq/2/2 to find instructions.
```
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