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Posted to commits@servicecomb.apache.org by GitBox <gi...@apache.org> on 2020/04/09 23:42:49 UTC

[GitHub] [servicecomb-pack] WillemJiang commented on issue #649: omega端线程等待

WillemJiang commented on issue #649: omega端线程等待
URL: https://github.com/apache/servicecomb-pack/issues/649#issuecomment-611804769
 
 
   看了一下stack trace，这个看起来像是 TxEventServiceBlockingStub. 在等待消息应答。
   
   ```
   at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   at io.grpc.stub.ClientCalls$ThreadlessExecutor.waitAndDrain(ClientCalls.java:629)
   at io.grpc.stub.ClientCalls.blockingUnaryCall(ClientCalls.java:123)
   at org.apache.servicecomb.pack.contract.grpc.TxEventServiceGrpc$TxEventServiceBlockingStub.onTxEvent(TxEventServiceGrpc.java:273)
   
   ```
   因为TxEventServiceBlockingStub是一个同步调用， 是需要等待Alpha的回复的消息。 建议检查一下Alpha运行的情况，看看Alpha是否还在工作。 
   
   

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