Services or capabilities described in AWS documentation might vary by Region. To see the differences applicable to the AWS European Sovereign Cloud Region, see the AWS European Sovereign Cloud User Guide.

Troubleshooting Amazon ECS CannotInspectContainerError errors

The following are some CannotInspectContainerError error messages and actions that you can take to fix the errors.

To check your stopped tasks for an error message using the AWS Management Console, see Viewing Amazon ECS stopped task errors.

CannotInspectContainerError

This error occurs when the container agent can't describe the container through the container runtime.

When using platform version 1.3 or earlier, the Amazon ECS agent returns the reason from Docker.

When using platform version 1.4.0 or later (Linux) or 1.0.0 or later (Windows), the Fargate agent returns the reason from containerd.

For information about how to debug and fix this issue, see Why is my Amazon ECS task Stopped on AWS re:Post.