Build error: OS not recognized

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#247 opened on Jan 12, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 25/100

Issue type: Bug
Clarity: Needs clarification
Activity status: Stale
Tech stack: docker, react-native
Domain: build-system, devops, mobile-dev

Research direction

Start with the ':app:createBundleMyAppDebugJsAndAssets' task and the project.react.hermesCommand setting mentioned in the error. Reproduce the build in the Docker image on the reported Mac M1 setup, then confirm the React Native bundle builds without the OS-not-recognized error.

Written by the indexing model from the issue text.

Description

Hi there,

I used the image to create my RN application (0.76.9) within Docker (running on a Mac M1). However, I am facing the following issue:

What went wrong:
Execution failed for task ':app:createBundleMyAppDebugJsAndAssets'.

OS not recognized. Please set project.react.hermesCommand to the path of a working Hermes compiler.

Any idea how to solve?

Thank you!

Dominant language: Dockerfile
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