saleson opened a new issue, #10045:
URL: https://github.com/apache/dubbo/issues/10045
### Environment
* Dubbo version: 3.0.8
* Operating System version: mac
* Java version: 1.8
### Steps to reproduce this issue
1. provider 接口级注册方式启动
2. consumer 服务发现方式设置为APPLICATION_FIRST
3. consumer调用provider暴露的dubbo service接口
Pls. provide [GitHub address] to reproduce this issue.
### Expected Behavior
正常调用成功
### Actual Behavior
首次报java.lang.UnsupportedOperationException，
之后都报java.lang.NullPointerException
If there is an exception, please attach the exception trace:
```
2022-05-16 23:11:40.833 INFO 11071 --- [ main]
o.a.d.s.d.consumer.ConsumerApplication : Started ConsumerApplication in 5.516
seconds (JVM running for 7.158)
2022-05-16 23:11:40.839 INFO 11071 --- [pool-1-thread-1]
.b.c.e.AwaitingNonWebApplicationListener : [Dubbo] Current Spring Boot
Application is await...
df
[16/05/22 23:12:02:806 CST] main INFO metadata.MetadataServiceNameMapping:
[DUBBO] org.apache.dubbo.springboot.demo.DemoService mapping to null instructed
by local cache., dubbo version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
[16/05/22 23:12:02:827 CST] main INFO migration.MigrationRuleListener:
[DUBBO] Listening for migration rules on dataId
dubbo-springboot-demo-consumer.migration, group
DUBBO_SERVICEDISCOVERY_MIGRATION, dubbo version: 3.0.8.1-SNAPSHOT, current
host: 192.168.43.36
[16/05/22 23:12:02:931 CST] main INFO zookeeper.ZookeeperRegistry: [DUBBO]
Subscribe:
dubbo://192.168.43.36/org.apache.dubbo.springboot.demo.DemoService?application=dubbo-springboot-demo-consumer&background=false&category=providers,configurators,routers&dubbo=2.0.2&interface=org.apache.dubbo.springboot.demo.DemoService&methods=sayHello,sayHelloAsync&pid=11071&protocol=dubbo&qos.enable=false&release=3.0.8.1-SNAPSHOT&side=consumer&sticky=false×tamp=1652713922780,
dubbo version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
[16/05/22 23:12:02:946 CST] main INFO zookeeper.ZookeeperRegistry: [DUBBO]
Notify urls for subscribe url
dubbo://192.168.43.36/org.apache.dubbo.springboot.demo.DemoService?application=dubbo-springboot-demo-consumer&background=false&category=providers,configurators,routers&dubbo=2.0.2&interface=org.apache.dubbo.springboot.demo.DemoService&methods=sayHello,sayHelloAsync&pid=11071&protocol=dubbo&qos.enable=false&release=3.0.8.1-SNAPSHOT&side=consumer&sticky=false×tamp=1652713922780,
url size: 3, dubbo version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
[16/05/22 23:12:02:952 CST] main WARN integration.RegistryDirectory:
[DUBBO] Serviceorg.apache.dubbo.springboot.demo.DemoService received empty
address list with no EMPTY protocol set, trigger empty protection., dubbo
version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
[16/05/22 23:12:02:955 CST] Dubbo-framework-shared-handler-thread-2 WARN
zookeeper.ZookeeperRegistry: [DUBBO] Failed to save registry cache file, will
retry, cause: null, dubbo version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
java.nio.channels.OverlappingFileLockException
at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:1107)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:1155)
at
org.apache.dubbo.registry.support.AbstractRegistry.doSaveProperties(AbstractRegistry.java:192)
at
org.apache.dubbo.registry.support.AbstractRegistry$SaveProperties.run(AbstractRegistry.java:587)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
[16/05/22 23:12:02:959 CST] Dubbo-framework-shared-handler-thread-2 WARN
zookeeper.ZookeeperRegistry: [DUBBO] Failed to delete lock file
[dubbo-registry-dubbo-springboot-demo-consumer-127.0.0.1-2181.cache.lock],
dubbo version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
[16/05/22 23:12:03:013 CST] NettyClientWorker-4-1 INFO
netty4.NettyClientHandler: [DUBBO] The connection of /192.168.43.36:55098 ->
/192.168.43.36:20882 is established., dubbo version: 3.0.8.1-SNAPSHOT, current
host: 192.168.43.36
[16/05/22 23:12:03:030 CST] main INFO transport.AbstractClient: [DUBBO]
Successfully connect to server /192.168.43.36:20882 from NettyClient
192.168.43.36 using dubbo version 3.0.8.1-SNAPSHOT, channel is NettyChannel
[channel=[id: 0x9b800e88, L:/192.168.43.36:55098 - R:/192.168.43.36:20882]],
dubbo version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
[16/05/22 23:12:03:030 CST] main INFO transport.AbstractClient: [DUBBO]
Start NettyClient /192.168.43.36 connect to the server /192.168.43.36:20882,
dubbo version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
[16/05/22 23:12:03:161 CST] main INFO client.ServiceDiscoveryRegistry:
[DUBBO] Trying to subscribe from apps dubbo-springboot-demo-provider for
service key org.apache.dubbo.springboot.demo.DemoService:dubbo, , dubbo
version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
[16/05/22 23:12:03:186 CST] main INFO
listener.ServiceInstancesChangedListener: [DUBBO] Received instance
notification, serviceName: dubbo-springboot-demo-provider, instances: 0, dubbo
version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
[16/05/22 23:12:03:186 CST] main INFO
listener.ServiceInstancesChangedListener: [DUBBO] 0 unique working revisions:
, dubbo version: 3.0.8.1-SNAPSHOT, current host: 192.168.43.36
java.lang.UnsupportedOperationException
at java.util.AbstractList.add(AbstractList.java:148)
at java.util.AbstractList.add(AbstractList.java:108)
at
org.apache.dubbo.registry.client.event.listener.ServiceInstancesChangedListener.toUrlsWithEmpty(ServiceInstancesChangedListener.java:429)
at
org.apache.dubbo.registry.client.event.listener.ServiceInstancesChangedListener.lambda$notifyAddressChanged$5(ServiceInstancesChangedListener.java:395)
at
java.util.concurrent.ConcurrentHashMap.forEach(ConcurrentHashMap.java:1597)
at
org.apache.dubbo.registry.client.event.listener.ServiceInstancesChangedListener.notifyAddressChanged(ServiceInstancesChangedListener.java:388)
at
org.apache.dubbo.registry.client.event.listener.ServiceInstancesChangedListener.doOnEvent(ServiceInstancesChangedListener.java:199)
at
org.apache.dubbo.registry.client.event.listener.ServiceInstancesChangedListener.onEvent(ServiceInstancesChangedListener.java:112)
at
org.apache.dubbo.registry.zookeeper.ZookeeperServiceDiscovery.registerServiceWatcher(ZookeeperServiceDiscovery.java:171)
at
org.apache.dubbo.registry.zookeeper.ZookeeperServiceDiscovery.lambda$addServiceInstancesChangedListener$3(ZookeeperServiceDiscovery.java:120)
at java.lang.Iterable.forEach(Iterable.java:75)
at
org.apache.dubbo.registry.zookeeper.ZookeeperServiceDiscovery.addServiceInstancesChangedListener(ZookeeperServiceDiscovery.java:120)
at
org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.subscribeURLs(ServiceDiscoveryRegistry.java:322)
at
org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.doSubscribe(ServiceDiscoveryRegistry.java:216)
at
org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.subscribe(ServiceDiscoveryRegistry.java:184)
at
org.apache.dubbo.registry.ListenerRegistryWrapper.subscribe(ListenerRegistryWrapper.java:111)
at
org.apache.dubbo.registry.integration.DynamicDirectory.subscribe(DynamicDirectory.java:180)
at
org.apache.dubbo.registry.client.ServiceDiscoveryRegistryDirectory.subscribe(ServiceDiscoveryRegistryDirectory.java:107)
at
org.apache.dubbo.registry.integration.RegistryProtocol.doCreateInvoker(RegistryProtocol.java:570)
at
org.apache.dubbo.registry.integration.InterfaceCompatibleRegistryProtocol.getServiceDiscoveryInvoker(InterfaceCompatibleRegistryProtocol.java:65)
at
org.apache.dubbo.registry.client.migration.MigrationInvoker.refreshServiceDiscoveryInvoker(MigrationInvoker.java:436)
at
org.apache.dubbo.registry.client.migration.MigrationInvoker.migrateToApplicationFirstInvoker(MigrationInvoker.java:244)
at
org.apache.dubbo.registry.client.migration.MigrationRuleHandler.refreshInvoker(MigrationRuleHandler.java:73)
at
org.apache.dubbo.registry.client.migration.MigrationRuleHandler.doMigrate(MigrationRuleHandler.java:57)
at
org.apache.dubbo.registry.client.migration.MigrationRuleListener.onRefer(MigrationRuleListener.java:243)
at
org.apache.dubbo.registry.integration.RegistryProtocol.interceptInvoker(RegistryProtocol.java:535)
at
org.apache.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:505)
at
org.apache.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:487)
at
org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:74)
at
org.apache.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:83)
at
org.apache.dubbo.rpc.cluster.filter.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:71)
at
org.apache.dubbo.rpc.protocol.ProtocolSerializationWrapper.refer(ProtocolSerializationWrapper.java:52)
at org.apache.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
at
org.apache.dubbo.config.ReferenceConfig.createInvokerForRemote(ReferenceConfig.java:494)
at
org.apache.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:397)
at
org.apache.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:285)
at org.apache.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:219)
at
org.apache.dubbo.config.spring.ReferenceBean.getCallProxy(ReferenceBean.java:349)
at
org.apache.dubbo.config.spring.ReferenceBean.access$100(ReferenceBean.java:99)
at
org.apache.dubbo.config.spring.ReferenceBean$DubboReferenceLazyInitTargetSource.createObject(ReferenceBean.java:356)
at
org.springframework.aop.target.AbstractLazyCreationTargetSource.getTarget(AbstractLazyCreationTargetSource.java:88)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:192)
at com.sun.proxy.$Proxy54.sayHello(Unknown Source)
at
org.apache.dubbo.springboot.demo.consumer.ConsumerApplication.doSayHello(ConsumerApplication.java:58)
at
org.apache.dubbo.springboot.demo.consumer.ConsumerApplication.main(ConsumerApplication.java:49)
adf
java.lang.NullPointerException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205)
at com.sun.proxy.$Proxy54.sayHello(Unknown Source)
at
org.apache.dubbo.springboot.demo.consumer.ConsumerApplication.doSayHello(ConsumerApplication.java:58)
at
org.apache.dubbo.springboot.demo.consumer.ConsumerApplication.main(ConsumerApplication.java:49)
adf
java.lang.NullPointerException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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:344)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205)
at com.sun.proxy.$Proxy54.sayHello(Unknown Source)
at
org.apache.dubbo.springboot.demo.consumer.ConsumerApplication.doSayHello(ConsumerApplication.java:58)
at
org.apache.dubbo.springboot.demo.consumer.ConsumerApplication.main(ConsumerApplication.java:49)
```
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