[GitHub] [servicecomb-pack] coolbeevip opened a new issue #430: Occasional failure TccLoadBalanceSenderTest.participateFailedThenRetry

[GitBox <gi...@apache.org>]

coolbeevip opened a new issue #430: Occasional failure TccLoadBalanceSenderTest.participateFailedThenRetry 
URL: https://github.com/apache/servicecomb-pack/issues/430
 
 
   alpah server 0.4.0 master
   
   Use `mvn clean install -Pdemo,spring-boot-2`
   
   error log
   ```
   -------------------------------------------------------
    T E S T S
   -------------------------------------------------------
   Running org.apache.servicecomb.pack.omega.connector.grpc.tcc.GrpcTccClientMessageSenderTest
   Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.594 sec - in org.apache.servicecomb.pack.omega.connector.grpc.tcc.GrpcTccClientMessageSenderTest
   Running org.apache.servicecomb.pack.omega.connector.grpc.tcc.TccLoadBalanceSenderTest
   Tests run: 9, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 10.391 sec <<< FAILURE! - in org.apache.servicecomb.pack.omega.connector.grpc.tcc.TccLoadBalanceSenderTest
   participateFailedThenRetry(org.apache.servicecomb.pack.omega.connector.grpc.tcc.TccLoadBalanceSenderTest)  Time elapsed: 2.388 sec  <<< FAILURE!
   java.lang.AssertionError: 
   
   Expected: is <3>
        but: was <4>
           at org.apache.servicecomb.pack.omega.connector.grpc.tcc.TccLoadBalanceSenderTest.participateFailedThenRetry(TccLoadBalanceSenderTest.java:213)
   
   Running org.apache.servicecomb.pack.omega.connector.grpc.LoadBalanceContextBuilderTest
   Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.115 sec - in org.apache.servicecomb.pack.omega.connector.grpc.LoadBalanceContextBuilderTest
   Running org.apache.servicecomb.pack.omega.connector.grpc.PushBackReconnectRunnableTest
   Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.025 sec - in org.apache.servicecomb.pack.omega.connector.grpc.PushBackReconnectRunnableTest
   Running org.apache.servicecomb.pack.omega.connector.grpc.saga.RetryableMessageSenderTest
   Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.022 sec - in org.apache.servicecomb.pack.omega.connector.grpc.saga.RetryableMessageSenderTest
   Running org.apache.servicecomb.pack.omega.connector.grpc.saga.SagaLoadBalanceSenderWithTLSTest
   Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.579 sec - in org.apache.servicecomb.pack.omega.connector.grpc.saga.SagaLoadBalanceSenderWithTLSTest
   Running org.apache.servicecomb.pack.omega.connector.grpc.saga.SagaLoadBalancedSenderTest
   Tests run: 11, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 14.497 sec - in org.apache.servicecomb.pack.omega.connector.grpc.saga.SagaLoadBalancedSenderTest
   
   Results :
   
   Failed tests: 
     TccLoadBalanceSenderTest.participateFailedThenRetry:213 
   Expected: is <3>
        but: was <4>
   ```
   
   I found a possible problem in TccLoadBalanceSender.participationStart
   
   ```
     @Override
     public AlphaResponse participationStart(ParticipationStartedEvent participationStartedEvent) {
       do {
         final TccMessageSender messageSender = pickMessageSender();
         Optional<AlphaResponse> response = doGrpcSend(messageSender, participationStartedEvent, new SenderExecutor<ParticipationStartedEvent>() {
           @Override
           public AlphaResponse apply(ParticipationStartedEvent event) {
             return messageSender.participationStart(event);
           }
         });
         if (response.isPresent()) return response.get();
       } while (!Thread.currentThread().isInterrupted());
   
       throw new OmegaException("Failed to send event " + participationStartedEvent + " due to interruption");
     }
   
   ```
   if  response  is empty it will be executed cyclically. May be this reason?

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