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Add check before writing to websocket channel #298

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merged 4 commits into from
Oct 28, 2021
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nguyer
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@nguyer nguyer commented Oct 26, 2021

This is supposed to fix #265

I'm not 100% sure my unit test accurately reproduces the exact situation we're running into in that issue though. Adding the extra check does indeed make this test pass. However, I'm not sure we can count on ws.closed to be set correctly 100% of the time before writing to the channel.

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Seems fine. Happy to put this in and see if it helps things.

@nguyer nguyer merged commit ce74fe3 into main Oct 28, 2021
@nguyer nguyer deleted the fix-websocket-panic branch October 28, 2021 15:35
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Didn't work 🙁 I'm still seeing the panic on writing to a closed channel.

peterbroadhurst added a commit to kaleido-io/firefly that referenced this pull request Jan 20, 2022
peterbroadhurst added a commit that referenced this pull request Jan 21, 2022
awrichar pushed a commit that referenced this pull request Jan 21, 2022
awrichar pushed a commit that referenced this pull request Jan 21, 2022
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FireFly crashed after attempting to send on closed websocket channel
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