Terraform: Error Acquiring the State Lock: Conditionalcheckfailedexception
I Got the Following Error During a Terraform Plan Which Occured in My Pipeline: Error: Error Locking State: Error Acquiring the State Lock...
I got the following error during a terraform plan which occured in my pipeline:
Error: Error locking state: Error acquiring the state lock: ConditionalCheckFailedException: The conditional request failed
Lock Info:
ID: 9db590f1-b6fe-c5f2-2678-8804f089deba
Path: ...
Operation: OperationTypePlan
Who: ...
Version: 0.12.25
Created: 2020-05-29 12:52:25.690864752 +0000 UTC
Info:
Terraform acquires a state lock to protect the state from being written
by multiple users at the same time. Please resolve the issue above and try
again. For most commands, you can disable locking with the "-lock=false"
flag, but this is not recommended.
It is weird because I'm sure there is no other concurrent plan. Is there a way to deal with this? How should I remove this lock?
9 Answers
Cause of Error
This error usually appears when one process fails running terraform plan or terraform apply. For example if your network connection interrupts or the process is terminated before finishing. Then Terraform "thinks" that this process is still working on the infrastructure and blocks other processes from working with the same infrastructure and state at the same time in order to avoid conflicts.
As stated in the error message, you should make sure that there is really no other process still running (e.g. from another developer or from some build-automation). If you force-unlock in such a situation you might screw up your terraform state, making it hard to recover.
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