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Handle undefined response

Description

Handle undefined response

After enabling 25% of traffic to the proton service, service
started to log Cannot read property 'ok' of null. This is
clearly the case when we get null instead of Puppeteer
response. There might be many reasons, lets log when that
specific case happens.

After we gather some logs, we will need to follow up, and find
why do we get an undefined response from Puppeteer.
Is it a puppeteer issue? Does it happen for not-aborted renders?

Bug: T186748
Change-Id: I3d74e2a8dccf465a41e740799f0bc929d6ce8e66

Details

Provenance
polishdeveloperAuthored on Sep 19 2018, 12:17 PM
pmiazgaCommitted on Sep 20 2018, 4:55 PM
Parents
rMSCR4606f7e13e5b: Handle the stopping chromium rendering correctly
Branches
Unknown
Tags
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ChangeId
I3d74e2a8dccf465a41e740799f0bc929d6ce8e66