New XHR requests cease to appear after Dev Tools is left open for some period of time
Reported by
indietor...@gmail.com,
Oct 5 2016
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36 Steps to reproduce the problem: 1. Open Developer Tools panel and select Network tab. 2. Select XHR filter button such that only XHR requests are displayed in the network activity pane. 3. Visit a page that utilizes XHR and take action to trigger repeated XHR requests. The XHR requests appear in the Developer Tools network activity pane, but only for a while. After a period of repeated use (say, 30 minutes of basic website development activities), new XHR requests cease to appear. What is the expected behavior? All XHR requests should appear in the network activity pane, indefinitely. What went wrong? This is a rather elusive problem because it is not trivial to reproduce. But I have been experiencing this for at least a month now, and as a profession web developer, it's incredibly annoying that XHR requests cease to appear after regular use. Closing the Developer Tools instance, reloading the page, and re-opening Developer Tools "resolves" the problem... until it begins happening again. Did this work before? Yes I can't say definitively, but I would say approximately one month prior to Version 53.0.2785.116 m being released Chrome version: 53.0.2785.116 Channel: stable OS Version: 6.1 (Windows 7, Windows Server 2008 R2) Flash Version: Shockwave Flash 23.0 r0
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Oct 6 2016
Unable to reproduce scenario on windows 10 with chrome stable version 53.0.2785.143 These are the steps i followed... 1) Open Chrome browser. 2) Navigate to youtube.com 3) Play any which is more than 60 min 4) Open Developer Tools panel and select Network tab. 5) Select XHR filter button such that only XHR requests are displayed in the network activity pane. Observation: Even after 60 Minutes the XHR requests are updating accordingly. Could you please let us know the site on which you observed this issue, so that we can reproduce the from our side. Thanks.!.
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Oct 7 2016
Thanks a lot for taking a look! I appreciate it! Unfortunately, the site is a local development site, behind a corporate firewall, which I can't make public. I just fired-up a session and am going to see if and how long it takes for this to recur. I will try to shoot some video or take some screenshots when it happens. Is there anything else that might be useful for me to provide? Thanks again.
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Oct 10 2016
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Oct 18 2016
Thank you for providing more feedback. Adding "Needs-Review" label for tracking. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Oct 24 2016
Not surprisingly, I can't reproduce this now. :) And I've been trying since I opened this. It used to happen every couple of days in the course of regular development. Let's close the issue and re-open it on the off chance that I'm able to reproduce it in the future. Thanks, and apologies for the inconvenience!
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Dec 2 2016
This is because of garbage collection. We do not obtain the data from the page unless the developer asks for it, however if the data has been purged from cache it will not be retrievable by devtools. Thanks for the feedback! |
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Comment 1 by indietor...@gmail.com
, Oct 5 2016