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// 内部类
public static class
org.apache.dubbo.rpc.RpcException: Failed to invoke the method orderDetail in the service *. Tried 3 times of the providers [*:20895] (1/1) from the registry *:8848 on the consumer * using the dubbo version 3.1.1. Last error is: Failed to invoke remote method: orderDetail, provider: DefaultServiceInstance{serviceName='order', host='*', port=20895, enabled=true, healthy=true, metadata={dubbo.metadata-service.url-params={"connections":"1","version":"1.0.0","dubbo":"2.0.2","release":"3.0.5","port":"20895","protocol":"dubbo"}, dubbo.endpoints=[{"port":20895,"protocol":"dubbo"}], dubbo.metadata.revision=aeee14a09e30fb364f308c909625fe1c, dubbo.metadata.storage-type=local}}, cause: org.apache.dubbo.remoting.RemotingException: Fail to decode request due to: java.lang.NullPointerException
java.lang.NullPointerException
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:115)
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$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:99)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.cluster.filter.support.ConsumerContextFilter.invoke(ConsumerContextFilter.java:110)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CallbackRegistrationInvoker.invoke(FilterChainBuilder.java:193)
at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$ClusterFilterInvoker.invoke(AbstractCluster.java:92)
at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:103)
at org.apache.dubbo.registry.client.migration.MigrationInvoker.invoke(MigrationInvoker.java:281)
at org.apache.dubbo.rpc.proxy.InvocationUtil.invoke(InvocationUtil.java:55)
at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:75)
at *
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:208)
at *
at *
at *
at *
at *
at org.apache.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:71)
at org.apache.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:99)
at org.apache.dubbo.config.invoker.DelegateProviderMetaDataInvoker.invoke(DelegateProviderMetaDataInvoker.java:55)
at org.apache.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:56)
at org.apache.dubbo.rpc.filter.ClassLoaderCallbackFilter.invoke(ClassLoaderCallbackFilter.java:38)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:77)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:44)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at *
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:99)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:52)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:186)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:54)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:41)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.filter.ProfilerServerFilter.invoke(ProfilerServerFilter.java:56)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:133)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CallbackRegistrationInvoker.invoke(FilterChainBuilder.java:193)
at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:152)
at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:100)
at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:175)
at org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:51)
at org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:59)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.dubbo.common.threadlocal.InternalRunnable.run(InternalRunnable.java:41)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.util.concurrent.ExecutionException: org.apache.dubbo.remoting.RemotingException: Fail to decode request due to: java.lang.NullPointerException
java.lang.NullPointerException
at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1915)
at org.apache.dubbo.rpc.AsyncRpcResult.get(AsyncRpcResult.java:195)
at org.apache.dubbo.rpc.protocol.AbstractInvoker.waitForResultIfSync(AbstractInvoker.java:264)
at org.apache.dubbo.rpc.protocol.AbstractInvoker.invoke(AbstractInvoker.java:185)
at org.apache.dubbo.rpc.listener.ListenerInvokerWrapper.invoke(ListenerInvokerWrapper.java:70)
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invokeWithContext(AbstractClusterInvoker.java:379)
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:81)
... 63 common frames omitted
Caused by: org.apache.dubbo.remoting.RemotingException: Fail to decode request due to: java.lang.NullPointerException
java.lang.NullPointerException
at org.apache.dubbo.remoting.exchange.support.DefaultFuture.doReceived(DefaultFuture.java:223)
at org.apache.dubbo.remoting.exchange.support.DefaultFuture.received(DefaultFuture.java:185)
at org.apache.dubbo.remoting.exchange.support.DefaultFuture.received(DefaultFuture.java:173)
at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleResponse(HeaderExchangeHandler.java:60)
at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:181)
at org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:51)
at org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:59)
at org.apache.dubbo.common.threadpool.ThreadlessExecutor$RunnableWrapper.run(ThreadlessExecutor.java:184)
at org.apache.dubbo.common.threadpool.ThreadlessExecutor.waitAndDrain(ThreadlessExecutor.java:103)
at org.apache.dubbo.rpc.AsyncRpcResult.get(AsyncRpcResult.java:193)
... 68 common frames omitted
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