Unexpected GraphQL error when deployed on AWS ECS

[ammerzon]

Dagster version

dagster, version 1.7.5

What's the issue?

@chximn and I have Dagster deployed on AWS ECS with AWS Copilot based on the tutorial Deploying in ECS with the corresponding example project.

When accessing the application, I receive the following error:

Operation name: LocationStateChangeSubscription
Message: 'async_generator_asend' object has no attribute '__name__'
Path: 
Locations: 

How to reproduce?

• Use the source files of https://github.com/dagster-io/dagster/discussions/14946#discussioncomment-8529552
• Update the Dagster versions
• Deploy on AWS ECS
• Open the Dagster webserver

Deployment type

Other Docker-based deployment

Deployment details

• AWS Copilot: v1.33.3
• Rancher Desktop: 1.12.3

ECS Services

• webserver: linux/arm64
• user-code: linux/x86_64
• daemon: linux/x86_64

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