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Workaround for launch bug #861

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merged 1 commit into from
Oct 24, 2022
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blink1073
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cc @kevin-bates

This prevents a race condition where the kernel launch process is attempting to read the connection file, and we overwrite the file while it is being read. The symptom is that the kernel fails to start because it cannot decode the JSON in the connection file.

We should backport this fix to 7.x, but I think for 8.x we should change it so that the provisioner is entirely responsible for the handling of the connection file, even if the information lives on the kernel manager. Nothing would change for the local provisioner.

@blink1073 blink1073 added the bug label Oct 22, 2022
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LGTM.
I completely agree with your comment regarding the provisioner's role relative to the connection file.

@blink1073 blink1073 merged commit ddf7028 into jupyter:main Oct 24, 2022
@blink1073 blink1073 deleted the fix-pending-kernels-3 branch October 24, 2022 13:59
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@meeseeksdev please backport to 7.x

meeseeksmachine pushed a commit to meeseeksmachine/jupyter_client that referenced this pull request Oct 24, 2022
blink1073 added a commit that referenced this pull request Oct 24, 2022
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