[BUG] Invalid request provided: AWS::ElasticLoadBalancingV2::ListenerRule

[wweic]

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Describe the bug Followed the instructions in https://github.com/aws/aws-app-mesh-examples/tree/main/walkthroughs/howto-alb. Failed to create the howto-alb-app cloudformation stack because of error:

Resource handler returned message: "Invalid request provided: AWS::ElasticLoadBalancingV2::ListenerRule Validation exception" (RequestToken: 2e145274-3f83-c38f-cfdc-0645483c40fe, HandlerErrorCode: InvalidRequest)

There example here: https://github.com/aws/aws-app-mesh-examples/tree/main/examples/apps/colorapp also failed with the same error.

Platform ECS

To Reproduce

1. Export the environment variables as requests.
2. run ./deploy.sh

Expected behavior The example application is expected to come up and ready to server traffic.

Config files, and API responses If applicable config files and responses from our API.

Additional context Add any other context about the problem here.

[rajal-amzn]

@wweic Could you provide all the environment variable values set?