minlywang commented on issue #320: Saga client Error: Connection reset by peer URL: https://github.com/apache/incubator-servicecomb-saga/issues/320#issuecomment-432110787 There are a lot of errors in the alpha-server log: ` 03:08:05.785 [grpc-default-executor-178] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [uaa] instanceId [uaa-10.0.28.238]. 03:08:05.785 [grpc-default-executor-178] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@6470393f io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 03:08:08.822 [grpc-default-executor-178] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [uaa] instanceId [uaa-10.0.28.238]. 03:08:23.134 [grpc-default-executor-179] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@180da3bd io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 03:08:23.136 [grpc-default-executor-179] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [uaa] instanceId [uaa-10.0.28.237]. 03:08:23.136 [grpc-default-executor-179] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@e4510d0 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 03:08:26.165 [grpc-default-executor-179] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [uaa] instanceId [uaa-10.0.28.237]. 03:08:53.883 [grpc-default-executor-178] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [patient] instanceId [patient-10.0.28.241]. 03:08:53.883 [grpc-default-executor-179] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@65c7d471 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 03:08:53.883 [grpc-default-executor-178] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@1b4a8692 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 03:08:55.922 [grpc-default-executor-178] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@310e4a81 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 03:08:55.940 [grpc-default-executor-178] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [patient] instanceId [patient-10.0.28.240]. 03:08:55.941 [grpc-default-executor-178] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@37ed2180 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 03:08:56.968 [grpc-default-executor-179] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [patient] instanceId [patient-10.0.28.241]. 03:08:58.981 [grpc-default-executor-179] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [patient] instanceId [patient-10.0.28.240]. 04:04:05.488 [grpc-default-executor-183] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@10cb0bc0 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 04:04:36.212 [grpc-default-executor-182] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [doctor] instanceId [doctor-10.0.28.44]. 04:04:36.213 [grpc-default-executor-182] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@79b9f8ac io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 04:04:39.227 [grpc-default-executor-182] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [doctor] instanceId [doctor-10.0.28.44]. 04:06:16.527 [grpc-default-executor-185] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [doctor] instanceId [doctor-10.0.28.45]. 04:06:16.528 [grpc-default-executor-185] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@6ce8f5a6 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 04:06:19.576 [grpc-default-executor-185] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [doctor] instanceId [doctor-10.0.28.45]. 04:07:30.668 [grpc-default-executor-187] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@cad97b7 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:01:07.686 [grpc-default-executor-189] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@30d2948e io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:08:14.766 [grpc-default-executor-193] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [uaa] instanceId [uaa-10.0.28.238]. 05:08:14.767 [grpc-default-executor-193] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@79840faa io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:08:14.773 [grpc-default-executor-192] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@d16ef54 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:08:17.796 [grpc-default-executor-192] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [uaa] instanceId [uaa-10.0.28.238]. 05:08:32.080 [grpc-default-executor-192] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@57ef39fd io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:08:32.086 [grpc-default-executor-192] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [uaa] instanceId [uaa-10.0.28.237]. 05:08:32.086 [grpc-default-executor-192] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@52992128 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:08:35.105 [grpc-default-executor-192] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [uaa] instanceId [uaa-10.0.28.237]. 05:09:02.884 [grpc-default-executor-192] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@38b68f72 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:09:02.902 [grpc-default-executor-192] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [patient] instanceId [patient-10.0.28.241]. 05:09:02.903 [grpc-default-executor-192] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@7e2edb5a io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:09:04.866 [grpc-default-executor-192] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Disconnect from alpha, service [patient] instanceId [patient-10.0.28.240]. 05:09:04.867 [grpc-default-executor-192] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@632d0d2e io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.tcc.callback.GrpcOmegaTccCallback.disconnect(GrpcOmegaTccCallback.java:50) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService.onDisconnected(GrpcTccEventService.java:98) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TccEventServiceGrpc$MethodHandlers.invoke(TccEventServiceGrpc.java:572) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:09:04.879 [grpc-default-executor-192] ERROR io.grpc.internal.SerializingExecutor - Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@4798e6b2 io.grpc.StatusRuntimeException: CANCELLED: call already cancelled at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356) ~[grpc-stub-1.14.0.jar!/:1.14.0] at org.apache.servicecomb.saga.alpha.server.GrpcOmegaCallback.disconnect(GrpcOmegaCallback.java:53) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.alpha.server.GrpcTxEventEndpointImpl.onDisconnected(GrpcTxEventEndpointImpl.java:74) ~[classes!/:0.3.0-SNAPSHOT] at org.apache.servicecomb.saga.pack.contract.grpc.TxEventServiceGrpc$MethodHandlers.invoke(TxEventServiceGrpc.java:350) ~[pack-contract-grpc-0.3.0-SNAPSHOT.jar!/:0.3.0-SNAPSHOT] at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.14.0.jar!/:1.14.0] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.14.0.jar!/:1.14.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111] 05:09:05.947 [grpc-default-executor-193] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [patient] instanceId [patient-10.0.28.241]. 05:09:07.896 [grpc-default-executor-193] INFO org.apache.servicecomb.saga.alpha.server.tcc.GrpcTccEventService - Established connection service [patient] instanceId [patient-10.0.28.240]. `
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