Fargate EFS Issue: ResourceInitializationError: failed to invoke EFS utils

I have spent a number of hours working to setup EFS under ECS Fargate using the instructions in this post Amazon Elastic Container Service & AWS Fargate, now support Amazon Elastic File System | AWS News Blog and checked my JSON against the configure list Amazon EFS volumes - Amazon Elastic Container Service without success. I have deleted the recreated the cluster, EFS instance, VPC and security groups without success. I also tried adding an IAM role which didn’t help. Not sure what to do next.

My current error is “ResourceInitializationError: failed to invoke EFS utils commands to set up EFS volumes: command failed with 32: failed to execute command to invoke EFS utils: mount.nfs4: Connection reset by peer” when I try to start the Service with the EFS Task Definition enabled. As I understand it, Fargate should initiate these calls in a wrapper around the service, so I don’t need to create a custom container image that includes the EFS Utils. Let me know if that isn’t the case.

Any suggestions on what the issue could be or things to test?