There are no commands defined in the "setup:cron" namespace after upgrading to magento 2.4.0

[Eddcapone]

Preconditions (*)

1. Enterprise

Steps to reproduce (*)

1. Upgrade from 2.3.5-p2 to 2.4.0 by using composer.
2. Make sure that you are using at least PHP 7.3

Expected result (*)

1. Upgrade succeeds without problems

Actual result (*)

1. I am receiving alot of e-mails saying that a cron job failed with "There are no commands defined in the "setup:cron" namespace"
2. Also calling php bin/magento setup:cron:run throws error:

There are no commands defined in the "setup:cron" namespace.

Did you mean one of these?
setup
setup:config
setup:db
setup:db-data
setup:db-declaration
setup:db-schema
setup:di
setup:performance
setup:static-content
setup:store-config

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• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
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• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @Eddcapone. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.4-develop instance - upcoming 2.4.x release

For more details, please, review the Magento Contributor Assistant documentation.

Please, add a comment to assign the issue: @magento I am working on this

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[Eddcapone]

Looks like they have removed the command. I deleted the cron job now the error is gone.

[onepack]

@Eddcapone , how do you mean "They have removed the command" . I have the message on 4 different installs.
How can I solve this as I have been looking for the source of this for some time now.

[hostep]

@onepack: as far as I'm aware, the setup:cron:run command was part of the web setup wizard. That thing has been removed in 2.4.0, so it's no longer needed to put the setup:cron:run call in your crontab. You can safely remove it from there if you are using Magento 2.4.0 and higher.
You can also remove the entry update/cron.php from your crontab, that appears to have been removed as well in 2.4.0.

[onepack]

@hostep Thank you! I was going through all modules thinking it was a bug. I was completely overlooking this part.
I adjusted the cron and got immediate result.
Cheers!

[Eddcapone]

It is just sad that magento does not point this out in the changelog and leaves users confused...

[perfpcs]

I have this same problem in my logs and it is sad Magento actually causes this problem! When you do a:
bin/magento cron:install

It adds 3 lines to your crontab including these 2 that you are saying are not needed. Why does Magento always make a mess of things???

So what should a crontab look like these days with M 2.4?? 1 line????

• • • • • /usr/bin/php7.4 ............/bin/magento cron:run 2>&1 | grep -v "Ran jobs by schedule" >>......../var/log/magento.cron.log &> /dev/null

Is that it? Change crontab to this 1 line??

[hostep]

Exactly, Magento 2.4.x only needs the bin/magento cron:run line in your crontab

The documentation is currently being updated to add more warnings around this.

[perfpcs]

@hostep ..thank you Sir! Yes please update the docs and fix the install command that sets the 3 lines in your crontab.