Open Bug 1950380 Opened 1 year ago Updated 2 months ago

Inspector / Save all as HAR doesn't work with large amounts of data (hundreds of megabytes)

Categories

(DevTools :: Netmonitor, defect, P4)

Product:
DevTools
Component:
Netmonitor
Version:
Firefox 135
Type:
defect

Tracking

(Not tracked)

Status:
UNCONFIRMED

People

(Reporter: devnull, Unassigned)

References

Details

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Gecko/20100101 Firefox/135.0

Steps to reproduce:

Under Mac OS 23E224 on Apple Silicon, Firefox 135 :

  1. Go to about:config, modify the key devtools.netmonitor.responseBodyLimit to value 0.
  2. Open the inspector
  3. Go to https://www.instagram.com/ or any page with an infinite scroll and a lot of images/requests/videos
  4. Scroll down to have more than 1.2Gb transferred
  5. Click on the wrench / Save all as HAR

Actual results:

I get an empty HAR file

Expected results:

I should get all the data in the HAR file

The Bugbug bot thinks this bug should belong to the 'DevTools::Netmonitor' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Component: Untriaged → Netmonitor
Product: Firefox → DevTools

Hello devnull,

Are you seeing anything in the Browser Console (https://firefox-source-docs.mozilla.org/devtools-user/browser_console/index.html) ?
Also, I'm curious what you're trying to do here? 1Gb seems quite huge and I don't think we had such case in mind when designing the HAR file exporter.

Severity: -- → S3
Priority: -- → P4
Duplicate of this bug: 2035977

In my case I was < 700 MB

Summary: Inspector / Save all as HAR doesn't work above 1.2 Gb → Inspector / Save all as HAR doesn't work with large amounts of data (hundreds of megabytes)
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