unity network_error ai_generated partial

UnityEngine.AddressableAssets: Initialization failed: Failed to download remote catalog from 'https://cdn.example.com/catalog.json' - Timeout after 30 seconds

ID: unity/addressable-download-timeout

Also available as: JSON · Markdown · 中文
78%Fix Rate
83%Confidence
1Evidence
2024-02-14First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
1.21.14 active — — —
1.22.0 active — — —
1.19.9 active — — —

Root Cause

Addressables system could not download the remote content catalog within the default timeout due to network issues or server unavailability.

generic

中文

Addressables系统由于网络问题或服务器不可用，无法在默认超时时间内下载远程内容目录。

Official Documentation

https://docs.unity3d.com/Packages/[email protected]/manual/RemoteContentDistribution.html

Workarounds

  1. 80% success Check network connectivity and ensure CDN endpoint is reachable. In Addressables groups window, set 'Remote Catalog Load Path' to a valid URL. Add retry logic: Addressables.InitializeAsync().Completed += op => { if (op.Status == AsyncOperationStatus.Failed) { Debug.LogError("Retrying..."); Addressables.InitializeAsync(); } }; 
    Check network connectivity and ensure CDN endpoint is reachable. In Addressables groups window, set 'Remote Catalog Load Path' to a valid URL. Add retry logic: Addressables.InitializeAsync().Completed += op => { if (op.Status == AsyncOperationStatus.Failed) { Debug.LogError("Retrying..."); Addressables.InitializeAsync(); } };
  2. 75% success Use a local fallback catalog by setting 'Build Remote Catalog' to false in Addressables settings, and include catalog in initial build. 
    Use a local fallback catalog by setting 'Build Remote Catalog' to false in Addressables settings, and include catalog in initial build.

中文步骤

  1. Check network connectivity and ensure CDN endpoint is reachable. In Addressables groups window, set 'Remote Catalog Load Path' to a valid URL. Add retry logic: Addressables.InitializeAsync().Completed += op => { if (op.Status == AsyncOperationStatus.Failed) { Debug.LogError("Retrying..."); Addressables.InitializeAsync(); } };
  2. Use a local fallback catalog by setting 'Build Remote Catalog' to false in Addressables settings, and include catalog in initial build.

Dead Ends

Common approaches that don't work:

  1. Increasing timeout in Addressables settings to 120 seconds 60% fail

    Only masks the symptom; if network is fundamentally broken or server down, longer timeout still fails.

  2. Disabling remote catalogs entirely 70% fail

    Prevents use of remote content, breaking core functionality for updates.