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https://issues.apache.org/jira/browse/BEAM-10637?focusedWorklogId=466426&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-466426
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ASF GitHub Bot logged work on BEAM-10637:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Aug/20 20:04
Start Date: 04/Aug/20 20:04
Worklog Time Spent: 10m
Work Description: KevinGG commented on pull request #12464:
URL: https://github.com/apache/beam/pull/12464#issuecomment-668798057
R: @aaltay
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Issue Time Tracking
-------------------
Worklog Id: (was: 466426)
Time Spent: 20m (was: 10m)
> Fix start/stop hanging issue on test stream service controller
> --------------------------------------------------------------
>
> Key: BEAM-10637
> URL: https://issues.apache.org/jira/browse/BEAM-10637
> Project: Beam
> Issue Type: Improvement
> Components: runner-py-interactive
> Reporter: Ning Kang
> Assignee: Ning Kang
> Priority: P2
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The test stream controller sometimes hangs forever when the underlying grpc
> server start or stop in the wrong timing:
> E.g., try to stop a server never started, stop a server already stopped,
> start a server already started and etc.
> The change is to add start/stop states to handle all 6 combinations:
> # start server not started
> # start server started
> # start server stopped
> # stop server not started
> # stop server started
> # stop server stopped
> So that it never hangs.
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