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Fix #314: Occasional missing response to "configurationDone"

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Don't treat missing response as error, but gracefully finalize the debug session instead.
This commit is contained in:
Pavel Minaev 2020-07-01 15:03:00 -07:00 • committed by Pavel Minaev
parent be4c063719
commit 440587b261
1 changed files with 10 additions and 0 deletions
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10
src/debugpy/adapter/clients.py
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@ -211,6 +211,16 @@ class Client(components.Component):
# to conform to the DAP spec, we'll need to defer waiting for response.
try:
self.server.channel.request(request.command, arguments)
except messaging.NoMoreMessages:
# Server closed connection before we could receive the response to
# "configurationDone" - this can happen when debuggee exits shortly
# after starting. It's not an error, but we can't do anything useful
# here at this point, either, so just bail out.
request.respond({})
self.session.finalize(
fmt('{0} disconnected before responding to "configurationDone"', self.server)
)
return
except messaging.MessageHandlingError as exc:
exc.propagate(request)