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Tests Failing in Template Engine: Failed to update search cache. (The SSL connection could not be established, see inner exception.) #51147
{
"ErrorMessage": "Failed to update search cache. (The SSL connection could not be established, see inner exception.)",
"ErrorPattern": "",
"BuildRetry": true,
"ExcludeConsoleLog": false
}
Known issue validation
Build: 🔎https://dev.azure.com/dnceng-public/public/_build/results?buildId=1166667 Error message validated:[Failed to update search cache. (The SSL connection could not be established, see inner exception.)] Result validation: ✅ Known issue matched with the provided build. Validation performed at: 10/7/2025 5:01:48 PM UTC
I believe I'm hitting this, or at least something that presents as this;
I'm behind a corporate MitM proxy, and have successfully installed the root certificates on my machine/in my devcontainer. I can pull packages during restore (eg, dotnet restore works fine), but cannot run search.
This Known Build Error has had 0 hits in the past month and has been labeled stale. It will be auto-closed in 7 days if the hit count remains at 0. Add the keep-open label to prevent auto-closure.
This Known Build Error has had 0 hits in the past month and has been labeled stale. It will be auto-closed in 7 days if the hit count remains at 0. Add the keep-open label to prevent auto-closure.
This Known Build Error has had 0 hits in the past month and has been labeled stale. It will be auto-closed in 7 days if the hit count remains at 0. Add the keep-open label to prevent auto-closure.
This Known Build Error has had 0 hits in the past month and has been labeled stale. It will be auto-closed in 7 days if the hit count remains at 0. Add the keep-open label to prevent auto-closure.
This Known Build Error has had 0 hits in the past month and has been labeled stale. It will be auto-closed in 7 days if the hit count remains at 0. Add the keep-open label to prevent auto-closure.
This Known Build Error has had 0 hits in the past month and has been labeled stale. It will be auto-closed in 7 days if the hit count remains at 0. Add the keep-open label to prevent auto-closure.
This (or something like it) is still affecting me; if I run dotnet new search it fails:
$ dotnet new search web
Searching for the templates...
Matches from template source: NuGet.org
Search failed: Failed to update search cache. (The SSL connection could not be established, see inner exception.) (The SSL connection could not be established, see inner exception.)
Activity
nagilson commentedon Oct 7, 2025
This may be due to an issue with the runtime SSL layer.
Clockwork-Muse commentedon Feb 10, 2026
I believe I'm hitting this, or at least something that presents as this;
I'm behind a corporate MitM proxy, and have successfully installed the root certificates on my machine/in my devcontainer. I can pull packages during restore (eg,
dotnet restoreworks fine), but cannot run search.output.log
github-actions commentedon May 22, 2026
This Known Build Error has had 0 hits in the past month and has been labeled
stale. It will be auto-closed in 7 days if the hit count remains at 0. Add thekeep-openlabel to prevent auto-closure.github-actions commentedon May 23, 2026
This Known Build Error has had 0 hits in the past month and has been labeled
stale. It will be auto-closed in 7 days if the hit count remains at 0. Add thekeep-openlabel to prevent auto-closure.3 remaining items
github-actions commentedon May 25, 2026
This Known Build Error has had 0 hits in the past month and has been labeled
stale. It will be auto-closed in 7 days if the hit count remains at 0. Add thekeep-openlabel to prevent auto-closure.github-actions commentedon May 26, 2026
This Known Build Error has had 0 hits in the past month and has been labeled
stale. It will be auto-closed in 7 days if the hit count remains at 0. Add thekeep-openlabel to prevent auto-closure.github-actions commentedon May 27, 2026
This Known Build Error has had 0 hits in the past month and has been labeled
stale. It will be auto-closed in 7 days if the hit count remains at 0. Add thekeep-openlabel to prevent auto-closure.github-actions commentedon May 27, 2026
This Known Build Error has had 0 hits in the past month and has been labeled
stale. It will be auto-closed in 7 days if the hit count remains at 0. Add thekeep-openlabel to prevent auto-closure.Clockwork-Muse commentedon May 28, 2026
This (or something like it) is still affecting me; if I run
dotnet new searchit fails:github-actions commentedon Jun 4, 2026
Closed automatically — this Known Build Error has had 0 hits for over a month.