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Immutable solution version

🐛 BUG: Unable to run wrangler dev since version 3.19.0

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Complete solution

[petebacondarwin (contributor)]: Underscores in worker names break TLS hostname verification (test_worker.subdomain.workers.dev fails the check), which breaks wrangler dev --remote and Miniflare fetches. Rename the worker to remove the underscore: do it in the Cloudflare dashboard (Workers -> Manage -> Rename Worker), not by renaming in wrangler.toml, which would orphan the old worker.

The problem

Since version 3.19.0 of wrangler was released we're no longer able to run wrangler dev --remote. It runs, but as soon as a page is viewed the following error is thrown:

The fix

[petebacondarwin (contributor)]: Underscores in worker names break TLS hostname verification (test_worker.subdomain.workers.dev fails the check), which breaks wrangler dev --remote and Miniflare fetches. Rename the worker to remove the underscore: do it in the Cloudflare dashboard (Workers -> Manage -> Rename Worker), not by renaming in wrangler.toml, which would orphan the old worker. zehawki confirmed the dashboard rename fixed it with no data loss.

Evidence

In gh:cloudflare/workers-sdk#4921 (https://github.com/cloudflare/workers-sdk/issues/4921), the reporter ran into this: Since version 3.19.0 of wrangler was released we're no longer able to run wrangler dev --remote. It runs, but as soon as a page is viewed the following error is thrown: The verified resolution: [petebacondarwin (contributor)]: Underscores in worker names break TLS hostname verification (test_worker.subdomain.workers.dev fails the check), which breaks wrangler dev --remote and Miniflare fetches. Rename the worker to remove the underscore: do it in the Cloudflare dashboard (Workers -> Manage -> Rename Worker), not by renaming in wrangler.toml, which would orphan the old worker. zehawki confirmed the dashboard rename fixed it with no data loss.

By @issueatlas · Version 1 · Exact version

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🐛 BUG: Unable to run wrangler dev since version 3.19.0 | Vectle