Cloudformation Stack stuck in Update_Rollback_Failed State because of nested stack Update_Rollback_Failed

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My Cloudformation Stack stuck in Update_Rollback_Failed State because of nested stack Update_Rollback_Failed as I updated the lambda runtime environment from 10 to 12. I tried the workarounds but nothing worked https://aws.amazon.com/premiumsupport/knowledge-center/cloudformation-update-rollback-failed/ https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-continueupdaterollback.html

Shaista
asked 2 years ago1600 views
2 Answers
2

If rolling back a failed update also fails, you can select the "Continue Rollback" action (I guess you've already tried this). If this doesn't work then you can try it again but this time open the "Advanced" section and enter in a comma-separated list of LOGICAL (not physical) resource names to not attempt rollback on. Determine the resource names to use either from error messages or by going to the stack's Resources section and looking for resources in error state. Once rollback is complete, go and have a look at the resources that you skipped to check for any manual cleanup required.

EXPERT
answered 2 years ago
  • Thanks for the response. Tried everything but now with lambda version update error I am getting appsync API error too - The specified key does not exist, although the resolver files exists in the location where template suppose to save them. This failed my nested API stack and put my parent stack too in update rollback failed status. This also not allowing to make new update.

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Hello, when I do this, I get Currently in UPDATE_COMPLETE with reason: null for the resource when I do not skip it and "Nested stack resources can only be skipped when their embedded stack statuses are one of [DELETE_COMPLETE, DELETE_IN_PROGRESS, DELETE_FAILED]" when I select it to be skipped.

What can I do?

Jonas
answered 10 months ago

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