PoAn Yang created YUNIKORN-2167:
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             Summary: Flaky test TestApplicationHistoryTracking
                 Key: YUNIKORN-2167
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-2167
             Project: Apache YuniKorn
          Issue Type: Test
          Components: test - unit
            Reporter: PoAn Yang
            Assignee: PoAn Yang


We start webservice in a goroutine 
[https://github.com/apache/yunikorn-core/blob/db70ca6e0ed46eb93362fc1bf48545781146f534/pkg/webservice/webservice.go#L71-L77].

Sometime, client sends request when webservice is running (client.GetEvents 
faster than webservice in ms.Init) 
[https://github.com/apache/yunikorn-core/blob/db70ca6e0ed46eb93362fc1bf48545781146f534/pkg/scheduler/tests/application_tracking_test.go#L45-L50].

In this case, we will get `application_tracking_test.go:51: assertion failed: 
error is not nil: Get "http://localhost:9080/ws/v1/events/batch": dial tcp 
[::1]:9080: connect: connection refused`.

 

CI reference: 
[https://github.com/apache/yunikorn-core/actions/runs/6920928414/job/18825954111]



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