killGC opened a new issue #5569:
URL: https://github.com/apache/skywalking/issues/5569


   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   - [ ] Question or discussion
   - [ ] Bug
   - [ ] Requirement
   - [ ] Feature or performance improvement
   
   ___
   ### Question
   - What do you want to know?
   skywalking oap cluster run in two server,i observer oap server and es 
resource using is nomal
   what reason maybe cause this?
   
   
   ```java
   2020-09-27 16:45:45,570 - 
org.apache.skywalking.oap.server.core.cache.CacheUpdateTimer - 110 
[pool-13-thread-1] INFO  [] - Update the cache of service instance inventory, 
instance id: 549
   2020-09-27 16:45:45,570 - 
org.apache.skywalking.oap.server.core.cache.CacheUpdateTimer - 110 
[pool-13-thread-1] INFO  [] - Update the cache of service instance inventory, 
instance id: 462
   2020-09-27 16:45:45,570 - 
org.apache.skywalking.oap.server.core.cache.CacheUpdateTimer - 110 
[pool-13-thread-1] INFO  [] - Update the cache of service instance inventory, 
instance id: 66
   2020-09-27 16:45:49,459 - 
org.apache.skywalking.oap.server.receiver.trace.provider.UninstrumentedGatewaysConfig
 - 81 [pool-10-thread-1] INFO  [] - Updating uninstrumented gateways with: null
   2020-09-27 16:45:52,717 - 
org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler
 - 70 [grpcServerPool-1-thread-35] ERROR [] - CANCELLED: cancelled before 
receiving half close
   io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half 
close
           at io.grpc.Status.asRuntimeException(Status.java:524) 
~[grpc-api-1.26.0.jar:1.26.0]
           at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:275)
 [grpc-stub-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:353)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:341)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:867)
 [grpc-core-1.26.0.jar:1.26.0]
           at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_161]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_161]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
   2020-09-27 16:45:52,717 - 
org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler
 - 70 [grpcServerPool-1-thread-45] ERROR [] - CANCELLED: cancelled before 
receiving half close
   io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half 
close
           at io.grpc.Status.asRuntimeException(Status.java:524) 
~[grpc-api-1.26.0.jar:1.26.0]
           at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:275)
 [grpc-stub-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:353)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:341)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:867)
 [grpc-core-1.26.0.jar:1.26.0]
           at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_161]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_161]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
   2020-09-27 16:45:52,717 - 
org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler
 - 70 [grpcServerPool-1-thread-5] ERROR [] - CANCELLED: cancelled before 
receiving half close
   io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half 
close
           at io.grpc.Status.asRuntimeException(Status.java:524) 
~[grpc-api-1.26.0.jar:1.26.0]
           at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:275)
 [grpc-stub-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:353)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:341)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:867)
 [grpc-core-1.26.0.jar:1.26.0]
           at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_161]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_161]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
   2020-09-27 16:45:52,718 - 
org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler
 - 70 [grpcServerPool-1-thread-8] ERROR [] - CANCELLED: cancelled before 
receiving half close
   io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half 
close
           at io.grpc.Status.asRuntimeException(Status.java:524) 
~[grpc-api-1.26.0.jar:1.26.0]
           at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:275)
 [grpc-stub-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:353)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:341)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:867)
 [grpc-core-1.26.0.jar:1.26.0]
           at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_161]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_161]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
   2020-09-27 16:45:52,718 - 
org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler
 - 70 [grpcServerPool-1-thread-50] ERROR [] - CANCELLED: cancelled before 
receiving half close
   io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half 
close
           at io.grpc.Status.asRuntimeException(Status.java:524) 
~[grpc-api-1.26.0.jar:1.26.0]
           at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:275)
 [grpc-stub-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:353)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:341)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:867)
 [grpc-core-1.26.0.jar:1.26.0]
           at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_161]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_161]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
   2020-09-27 16:45:52,718 - 
org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler
 - 70 [grpcServerPool-1-thread-37] ERROR [] - CANCELLED: cancelled before 
receiving half close
   io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half 
close
           at io.grpc.Status.asRuntimeException(Status.java:524) 
~[grpc-api-1.26.0.jar:1.26.0]
           at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:275)
 [grpc-stub-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:353)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:341)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:867)
 [grpc-core-1.26.0.jar:1.26.0]
           at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_161]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_161]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
   2020-09-27 16:45:52,718 - 
org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler
 - 70 [grpcServerPool-1-thread-13] ERROR [] - CANCELLED: cancelled before 
receiving half close
   io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half 
close
           at io.grpc.Status.asRuntimeException(Status.java:524) 
~[grpc-api-1.26.0.jar:1.26.0]
           at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:275)
 [grpc-stub-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:353)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:341)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:867)
 [grpc-core-1.26.0.jar:1.26.0]
           at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_161]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_161]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
   2020-09-27 16:45:52,718 - 
org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler
 - 70 [grpcServerPool-1-thread-34] ERROR [] - CANCELLED: cancelled before 
receiving half close
   io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half 
close
           at io.grpc.Status.asRuntimeException(Status.java:524) 
~[grpc-api-1.26.0.jar:1.26.0]
           at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:275)
 [grpc-stub-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:353)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:341)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:867)
 [grpc-core-1.26.0.jar:1.26.0]
           at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_161]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_161]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
   2020-09-27 16:45:52,718 - 
org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler
 - 70 [grpcServerPool-1-thread-40] ERROR [] - CANCELLED: cancelled before 
receiving half close
   io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half 
close
           at io.grpc.Status.asRuntimeException(Status.java:524) 
~[grpc-api-1.26.0.jar:1.26.0]
           at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:275)
 [grpc-stub-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:353)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:341)
 [grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:867)
 [grpc-core-1.26.0.jar:1.26.0]
           at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) 
[grpc-core-1.26.0.jar:1.26.0]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_161]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_161]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
   ```java
   ___
   ### Bug
   - Which version of SkyWalking, OS and JRE?
   skywalking 7.0, os linux, jre jdk8
   - Which company or project?
   
   - What happened?
   If possible, provide a way to reproduce the error. e.g. demo application, 
component version.
   
   ___
   ### Requirement or improvement
   - Please describe your requirements or improvement suggestions.
   


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