Cypress cannot open firefox - getaddrinfo EAI_AGAIN error #31230
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wildnano
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@MikeMcC399 |
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I tried with Firefox 102esr |
Can you please say which operating system you are using? Windows 11 perhaps? |
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@MikeMcC399 |
Since cypress@13.15.1 released Oct 24, 2024:
So if you were testing one year ago, you would have been using a version of Cypress which did not use the geckodriver. The npm package geckodriver by default dynamically downloads and caches an architecture-dependent geckodriver from GitHub. This default behavior requires an Internet connection. You may be able to work around this issue in an air-gapped environment by downloading the geckodriver from the releases page and then unzipping the This is something that you might like to try. Regarding browser versions - independent of the geckodriver / air-gap issue: Firefox 128 from the Rapid Release Channel is no longer supported by Cypress, although judging by the fact that Firefox 128 ESR still works, I would expect Firefox 128 in general also to work. Firefox 102 ESR entered End-of-Life in Sep 2023. It is no longer supported by Firefox, nor by Cypress. Don't try to use this version with current versions of Cypress. |
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Thanks, it works better with geckodriver workaraound but I still get errors
I debugged Firefox launch preferences (launchOptions) |
I have also seen these errors occurring. I wasn't able to track down the reason, so it will need some input from the Cypress.io team. |
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I completely deleted the Cypress folder in AppData/Roaming and opened Cypress. When I select the Firefox browser, it launches directly instead of a Cypress instance (error "Still waiting to connect to Firefox"). I hope there is a solution to this issue |
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In fact, it seems Cypress instantiation is not complete. |
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I wasn't able to reproduce the issue at will although I have seen it happening when trying to simulate an air-gapped environment. Using the follow steps shows Cypress On Windows 11 24H2, Node.js In Git Bash terminal with Internet connection: git clone https://github.com/cypress-io/cypress-docker-images
cd cypress-docker-images
cd examples/basic
rm -rf $APPDATA/Cypress # remove cached Cypress App Data
rm -rf $LOCALAPPDATA/Cypress # remove cached Cypress binary
rm -rf /tmp # remove temporary files including cached Geckodriver
git clean -xfd # if repeating
npm install cypress@latest
npx cypress run -b firefoxSimulate air-gapped situation cd cypress-docker-images/examples/basic
rm -rf $APPDATA/Cypress # remove cached Cypress App Data
npx cypress run -b firefox |
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Although I have seen the issue deleting the profile using Firefox |
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@MikeMcC399 There is a conf file for Mozilla. To sum up, depending on your Cypress version, in an air-gapped environment you may have to put geckodriver.exe in AppData/Local/Temp Thank you! |
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It's good to hear it works for you! Congratulations 🎉 |
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I am working on a new project.
The web application is accessed via a VM through a proxy and without internet access.
I installed the latest version of Cypress (14.1.0) using the CYPRESS_INSTALL_BINARY environment variable and Artifactory.
Cypress launches with Edge but not with firefox.
When I run the command npx cypress run -b firefox, the following error messages are displayed
How to work around the getaddrinfo EAI_AGAIN error raw.githubusercontent.com and get firefox launch?
Originally posted by @wildnano in #31223
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