bigzengdotcom opened a new issue #327: io.grpc.StatusRuntimeException: CANCELLED: Failed to read message. URL: https://github.com/apache/incubator-servicecomb-saga/issues/327 after #326 i wrote a method (with @SagaStart) in another service named core-base-service to invoke addStaff Method of Staff Controller in membership service via spring feign . and in addStaff mehod , it invoke save method (with @Compensable ) in StaffService. the exception follows: io.grpc.StatusRuntimeException: CANCELLED: Failed to read message. at io.grpc.Status.asRuntimeException(Status.java:526) ~[grpc-core-1.14.0.jar:1.14.0] at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:420) [grpc-stub-1.14.0.jar:1.14.0] at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.CensusStatsModule$StatsClientInterceptor$1$1.onClose(CensusStatsModule.java:684) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.CensusTracingModule$TracingClientInterceptor$1$1.onClose(CensusTracingModule.java:403) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:459) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:63) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:546) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:467) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1MessagesAvailable.runInContext(ClientCallImpl.java:531) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) [grpc-core-1.14.0.jar:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_131] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_131] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131] Caused by: java.lang.IllegalArgumentException: argument type mismatch at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131] at org.apache.servicecomb.saga.omega.context.CallbackContext.apply(CallbackContext.java:50) ~[omega-context-0.3.0.jar:0.3.0] at org.apache.servicecomb.saga.omega.transaction.CompensationMessageHandler.onReceive(CompensationMessageHandler.java:35) ~[omega-transaction-0.3.0.jar:0.3.0] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131] at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:206) ~[spring-aop-5.0.5.RELEASE.jar:5.0.5.RELEASE] at com.sun.proxy.$Proxy186.onReceive(Unknown Source) ~[na:na] at org.apache.servicecomb.saga.omega.connector.grpc.saga.GrpcCompensateStreamObserver.onNext(GrpcCompensateStreamObserver.java:52) ~[omega-connector-grpc-0.3.0.jar:0.3.0] at org.apache.servicecomb.saga.omega.connector.grpc.saga.GrpcCompensateStreamObserver.onNext(GrpcCompensateStreamObserver.java:31) ~[omega-connector-grpc-0.3.0.jar:0.3.0] at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onMessage(ClientCalls.java:407) [grpc-stub-1.14.0.jar:1.14.0] at io.grpc.ForwardingClientCallListener.onMessage(ForwardingClientCallListener.java:33) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.ForwardingClientCallListener.onMessage(ForwardingClientCallListener.java:33) [grpc-core-1.14.0.jar:1.14.0] at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1MessagesAvailable.runInContext(ClientCallImpl.java:519) [grpc-core-1.14.0.jar:1.14.0] ... 5 common frames omitted 2018-11-05 15:56:53.541 INFO 51280 --- [pool-1-thread-1] .a.s.s.o.c.g.c.PushBackReconnectRunnable : Retry connecting to alpha at 139.159.148.80:8088 2018-11-05 15:56:53.558 ERROR 51280 --- [pool-1-thread-1] .a.s.s.o.c.g.c.PushBackReconnectRunnable : Failed to reconnect to alpha at 139.159.148.80:8088 io.grpc.StatusRuntimeException: UNKNOWN at io.grpc.stub.ClientCalls.toStatusRuntimeException(ClientCalls.java:222) ~[grpc-stub-1.14.0.jar:1.14.0] at io.grpc.stub.ClientCalls.getUnchecked(ClientCalls.java:203) ~[grpc-stub-1.14.0.jar:1.14.0] at io.grpc.stub.ClientCalls.blockingUnaryCall(ClientCalls.java:132) ~[grpc-stub-1.14.0.jar:1.14.0] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$TxEventServiceBlockingStub.onDisconnected(TxEventServiceGrpc.java:280) ~[pack-contract-grpc-0.3.0.jar:0.3.0] at org.apache.servicecomb.saga.omega.connector.grpc.saga.GrpcSagaClientMessageSender.onDisconnected(GrpcSagaClientMessageSender.java:75) ~[omega-connector-grpc-0.3.0.jar:0.3.0] at org.apache.servicecomb.saga.omega.connector.grpc.core.PushBackReconnectRunnable.run(PushBackReconnectRunnable.java:52) ~[omega-connector-grpc-0.3.0.jar:0.3.0] at org.apache.servicecomb.saga.omega.connector.grpc.core.PendingTaskRunner$1.run(PendingTaskRunner.java:44) [omega-connector-grpc-0.3.0.jar:0.3.0] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_131] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [na:1.8.0_131] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_131] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [na:1.8.0_131] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_131] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_131] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131] and the transaction came as follow:  no SagaEndedEvent was found the network is normal, can anyone hep me with this issue?
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