Error Failed To Download !new! - Package For Ghcr.io/devcontainers/features/java

Referencing a version of the Java feature that no longer exists or has moved. 🚀 Step-by-Step Solutions 1. Clear the Dev Container Cache

If Docker runs out of "Image Mirror" space, downloads will fail midway. Go to . Check the Disk Image Location usage.

Use your GitHub username and a with read:packages permissions as the password. 3. Update the Feature Syntax Referencing a version of the Java feature that

Finding the "error failed to download package" message when building a Dev Container is frustrating, especially when it halts your Java development workflow. This error usually indicates a network interruption, a configuration mismatch, or an authentication issue with the GitHub Container Registry (ghcr.io). 🛠️ Root Causes of the Error

If you are behind a corporate proxy, Docker needs to be aware of it to reach ghcr.io . Go to . Navigate to Resources > Proxies . a configuration mismatch

Sometimes the local cache becomes corrupted. Forcing a clean build often resolves the issue. Open the ( Ctrl+Shift+P or Cmd+Shift+P ). Select Dev Containers: Rebuild Without Cache . 2. Check Your GitHub Authentication

If it is near 100%, use docker system prune to clear old containers and images. 🔍 Alternative: Manual Installation downloads will fail midway.

Ensure is toggled on if your network requires it. 5. Increase Docker Disk Space