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services: fix HealthService notifyWatchers #11934

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services: fix HealthService notifyWatchers #11934

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JoeCqupt
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@JoeCqupt JoeCqupt commented Mar 3, 2025 •
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fix #11853

Use ServerCallStreamObserver.setOnCancelHandler() to disable this exception

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JoeCqupt commented Mar 4, 2025 •
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@zhangkun83 @carl-mastrangelo PTAL @kannanjgithub

@JoeCqupt JoeCqupt changed the title fix HealthService notifyWatchers services: fix HealthService notifyWatchers Mar 10, 2025
ejona86
ejona86 reviewed Mar 20, 2025
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I don't think we want to catch the exception. I think we want to avoid the exception by using setOnCancelHandler() as mentioned in the error to update watchers. That will release resources as soon as the RPC is cancelled.

@JoeCqupt JoeCqupt requested a review from ejona86 March 21, 2025 11:54
@ejona86 ejona86 added the kokoro:run Add this label to a PR to tell Kokoro the code is safe and tests can be run label Mar 21, 2025
@grpc-kokoro grpc-kokoro removed the kokoro:run Add this label to a PR to tell Kokoro the code is safe and tests can be run label Mar 21, 2025
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HealthStatusManager.setStatus can throw a runtime exception when notifying (already cancelled) watchers
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@JoeCqupt @ejona86 @grpc-kokoro