paxxie2 opened a new issue, #15357: URL: https://github.com/apache/dubbo/issues/15357
### Pre-check - [x] I am sure that all the content I provide is in English. ### Search before asking - [x] I had searched in the [issues](https://github.com/apache/dubbo/issues?q=is%3Aissue) and found no similar issues. ### Apache Dubbo Component Java SDK (apache/dubbo) ### Dubbo Version Dubbo java 3.3.1 , jdk 17, mac os 15.3.2 ### Steps to reproduce this issue 1. use dubbo-samples , https://github.com/apache/dubbo-samples/tree/master/2-advanced/dubbo-samples-generic/dubbo-samples-generic-call 2. add proto file ``` syntax = "proto3"; option java_multiple_files = true; package org.apache.dubbo.samples.tri.grpc; message GreeterRequest { string name = 1; } message GreeterReply { string message = 1; } service Greeter{ rpc Greet(GreeterRequest) returns (GreeterReply); } ``` 3. Provider implement interface ``` public class GreeterImpl extends DubboGreeterTriple.GreeterImplBase{ @Override public GreeterReply greet(GreeterRequest request) { System.out.println("接收来自客户端消息：" + request.getName()); GreeterReply pax = GreeterReply.newBuilder().setMessage("pax").build(); return pax; } public CompletableFuture<GreeterReply> greetAsync(GreeterRequest request) { System.out.println("接收来自客户端消息 async：" + request.getName()); GreeterReply pax = GreeterReply.newBuilder().setMessage("pax").build(); return CompletableFuture.completedFuture(pax); } } ``` 5. Inject beans into the provider. Update dubbo-samples-generic-call-provider resources/spring/generic-provider.xml ``` <bean id="greeterimpl" class="org.apache.dubbo.samples.generic.call.impl.GreeterImpl"/> <dubbo:service interface="org.apache.dubbo.samples.tri.grpc.Greeter" ref="greeterimpl"/> ``` 6. Update consumer. Update dubbo-samples-generic-call-consumer GenericCallConsumer ``` public static void main(String[] args) throws Exception { ApplicationConfig applicationConfig = new ApplicationConfig(); applicationConfig.setName("generic-call-consumer"); RegistryConfig registryConfig = new RegistryConfig(); registryConfig.setAddress("zookeeper://127.0.0.1:2181"); ReferenceConfig<GenericService> referenceConfig = new ReferenceConfig<>(); referenceConfig.setInterface(GenericService.class.getName()); //测试普通接口 referenceConfig.setInterface("org.apache.dubbo.samples.generic.call.api.HelloService"); // 低版本 referenceConfig.setInterface("org.apache.dubbo.samples.tri.grpc.GreeterDubbo$IGreeter"); //高版本 测试proto referenceConfig.setInterface("org.apache.dubbo.samples.tri.grpc.Greeter"); applicationConfig.setRegistry(registryConfig); referenceConfig.setApplication(applicationConfig); referenceConfig.setGeneric(Constants.GENERIC_SERIALIZATION_PROTOBUF); //TODO 为什么要显示设置为 false referenceConfig.setAsync(false); referenceConfig.setTimeout(7000); genericService = referenceConfig.get(); invokeGreet(); //测试 proto } public static void invokeGreet() throws InterruptedException { Map<String, Object> greeterRequest = new HashMap<>(); greeterRequest.put("name", "pax"); String requestString = new Gson().toJson(greeterRequest); Object result = genericService.$invoke("Greet", new String[]{"org.apache.dubbo.samples.tri.grpc.GreeterRequest"}, new Object[]{requestString}); System.err.println("invokeSayHello(return): " + result); } ``` 7. run provider and consumer, then throws exception ``` Exception in thread "main" org.apache.dubbo.rpc.RpcException: Failed to invoke the method Greet in the service org.apache.dubbo.rpc.service.GenericService. Tried 3 times of the providers [10.8.0.2:20880] (1/1) from the registry 127.0.0.1:2181 on the consumer 192.168.31.47 using the dubbo version 3.3.4-SNAPSHOT. Last error is: Failed to invoke remote method: $invoke, provider: dubbo://10.8.0.2:20880/org.apache.dubbo.samples.tri.grpc.Greeter?application=generic-provider&async=false&background=false&category=providers,configurators,routers&check=false&deprecated=false&dubbo=2.0.2&dynamic=true&executor-management-mode=isolation&file-cache=true&generic=false&interface=org.apache.dubbo.samples.tri.grpc.Greeter&methods=biStream,greet,greetAsync,serverStream&pid=7977&prefer.serialization=hessian2,fastjson2&proxy=nativestub&release=3.3.4-SNAPSHOT&service-name-mapping=true&side=provider&sticky=false&timeout=7000&token=e95e27e1-d8ba-46c7-b8bd-934317753155&unloadClusterRelated=false, cause: o rg.apache.dubbo.remoting.RemotingException: java.lang.NullPointerException: Cannot invoke "java.lang.reflect.Method.getParameterTypes()" because "method" is null java.lang.NullPointerException: Cannot invoke "java.lang.reflect.Method.getParameterTypes()" because "method" is null at org.apache.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:97) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.protocol.tri.h12.HttpContextFilter.invoke(HttpContextFilter.java:38) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:54) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:41) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.metrics.filter.MetricsFilter.invoke(MetricsFilter.java:86) at org.apache.dubbo.metrics.filter.MetricsProviderFilter.invoke(MetricsProviderFilter.java:37) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.filter.ProfilerServerFilter.invoke(ProfilerServerFilter.java:66) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:191) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CallbackRegistrationInvoker.invoke(FilterChainBuilder.java:197) at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:167) at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:110) at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:205) at org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52) at org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:64) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at org.apache.dubbo.common.threadlocal.InternalRunnable.run(InternalRunnable.java:39) at java.base/java.lang.Thread.run(Thread.java:840) at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:126) at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:366) at org.apache.dubbo.rpc.cluster.router.RouterSnapshotFilter.invoke(RouterSnapshotFilter.java:46) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:109) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.cluster.filter.support.MetricsClusterFilter.invoke(MetricsClusterFilter.java:57) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:53) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.spring.security.filter.ContextHolderParametersSelectedTransferFilter.invoke(ContextHolderParametersSelectedTransferFilter.java:40) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.metrics.filter.MetricsFilter.invoke(MetricsFilter.java:86) at org.apache.dubbo.rpc.cluster.filter.support.MetricsConsumerFilter.invoke(MetricsConsumerFilter.java:38) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.cluster.filter.support.ConsumerClassLoaderFilter.invoke(ConsumerClassLoaderFilter.java:40) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.cluster.filter.support.ConsumerContextFilter.invoke(ConsumerContextFilter.java:119) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:349) at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CallbackRegistrationInvoker.invoke(FilterChainBuilder.java:197) at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$ClusterFilterInvoker.invoke(AbstractCluster.java:101) at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:107) at org.apache.dubbo.rpc.cluster.support.wrapper.ScopeClusterInvoker.invoke(ScopeClusterInvoker.java:171) at org.apache.dubbo.registry.client.migration.MigrationInvoker.invoke(MigrationInvoker.java:294) at org.apache.dubbo.rpc.proxy.InvocationUtil.invoke(InvocationUtil.java:64) at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:81) at org.apache.dubbo.samples.tri.grpc.GreeterDubboProxy0.$invoke(GreeterDubboProxy0.java) at org.apache.dubbo.samples.generic.call.GenericCallConsumer.invokeGreet(GenericCallConsumer.java:78) at org.apache.dubbo.samples.generic.call.GenericCallConsumer.main(GenericCallConsumer.java:65) Caused by: java.util.concurrent.ExecutionException: org.apache.dubbo.remoting.RemotingException: java.lang.NullPointerException: Cannot invoke "java.lang.reflect.Method.getParameterTypes()" because "method" is null ``` ### What you expected to happen No exceptions and return results ### Anything else _No response_ ### Are you willing to submit a pull request to fix on your own? - [x] Yes I am willing to submit a pull request on my own! ### Code of Conduct - [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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