Failures in "gclient sync" due to HTTP 429 (Too Many Requests)?

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ClearScript Developers

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Apr 6, 2026, 12:59:00 PM (11 days ago) Apr 6
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Folks,

Our build scripts are suddenly unable to fetch sources due to HTTP 429 (Too Many Requests), each attempt seemingly failing on a different repository. Here's the relevant section of our script:

PATH=$PWD/depot_tools:$PATH
gclient sync -r [commit]

Are we doing something wrong? We've used this procedure for years.

ClearScript Developers

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Apr 6, 2026, 9:16:29 PM (10 days ago) Apr 6
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Hmm, now some of the repositories accessed by "gclient sync" are failing with HTTP 403 (Forbidden):

fatal: unable to access 'https://chromium.googlesource.com/chromium/src/third_party/fuzztest.git/': The requested URL returned error: 403

We're totally blocked. Any suggestions?

Alexandra Wheeler

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Apr 7, 2026, 10:50:32 AM (10 days ago) Apr 7
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Hi, I'm in a similar boat. I was getting HTTP 429 error yesterday and got 403 error today. 

Camillo Bruni

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Apr 7, 2026, 10:57:39 AM (10 days ago) Apr 7
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There is an ongoing outage on the chrome side that caused access limitations to chromium.googlesource.com for non-authenticated requests.

We're still seeing many issues on our end. A rather hacky workaround is using "http://chromium.googlesource.com/a".


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ClearScript Developers

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Apr 11, 2026, 4:38:01 PM (5 days ago) Apr 11
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This appears to have been resolved. Thank you all!
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