6.3: Error: Could not process 'take:screenshot'. No automation clients connected.

Current behavior

Under Cypress 6.3, tests randomly fail with Error: Could not process 'take:screenshot'. No automation clients connected.. This did not happen in 6.2.1 or earlier versions.

Desired behavior

The above error should not occur

Test code to reproduce

Sadly, our project is proprietary, but the setup is fairly vanilla and we do nothing out of the ordinary.

Versions

OS: Centos7 Cypress: 6.3.0 Node: 14 Browser: Chrome 87

[craig-dae]

Same behavior. A few of my tests, in github actions, now seem to hang for a few minutes. I can’t see the screenshot, because of this error:

Could not process 'take:screenshot'. No automation clients connected.

Because this error occurred during a before all hook we are skipping all of the remaining tests.

Although you have test retries enabled, we do not retry tests when before all or after all hooks fail

It looks like this message is separate from the actual error causing my tests to fail. It looks like, when they fail, it tries to take a screenshot for the cypres dashboard, which results in the above error.

[JosephHalter]

If I upgrade cypress to 6.3, the builds are still green locally but fail constantly in CI (Github Actions). @samueloakley If this error really only happens when taking a screenshot after a test failure, then fixing this error will only reveal the real error underneath.

For now, I’ve no other choice but to stay with cypress 6.2.1 which work perfectly fine.