Unreal 5.1.1의 소스코드을 다운받아 Setup.bat을 실행하면 아래와 같은 오류가 발생한다.
Failed to download 'http://cdn.unrealengine.com/dependencies/UnrealEngine-23448686/00bea197a7e321f427afb5898d135b353746bab8': InvalidDataException: The archive entry was compressed using an unsupported compression method.
at System.IO.Compression.Inflater.Inflate(FlushCode flushCode)
at System.IO.Compression.Inflater.ReadInflateOutput(Byte* bufPtr, Int32 length, FlushCode flushCode, Int32& bytesRead)
at System.IO.Compression.Inflater.ReadOutput(Byte* bufPtr, Int32 length, Int32& bytesRead)
at System.IO.Compression.Inflater.InflateVerified(Byte* bufPtr, Int32 length)
at System.IO.Compression.DeflateStream.ReadCore(Span`1 buffer)
at System.IO.Compression.DeflateStream.Read(Byte[] buffer, Int32 offset, Int32 count)
at System.IO.Compression.GZipStream.Read(Byte[] buffer, Int32 offset, Int32 count)
at GitDependencies.Program.ExtractFilesFromRawStream(Stream RawStream, IncomingFile[] Files, SHA1 RawStreamHasher)Wrapped by CorruptPackFileException: Can't read from pack stream
at GitDependencies.Program.ExtractFilesFromRawStream(Stream RawStream, IncomingFile[] Files, SHA1 RawStreamHasher)
at GitDependencies.Program.DownloadAndExtractFiles(String Url, Uri Proxy, String CacheFileName, Int64 CompressedSize, String ExpectedHash, IncomingFile[] Files, Double HttpTimeoutMultiplier, NotifyReadDelegate NotifyRead)Wrapped by AggregateException: One or more errors occurred. (Can't read from pack stream)
at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
at GitDependencies.Program.DownloadWorker(ConcurrentQueue`1 DownloadQueue, AsyncDownloadState State, Double HttpTimeoutMultiplier, Int32 MaxRetries, CancellationToken CancellationToken)
해결 방법은 https://github.com/EpicGames/UnrealEngine/releases/tag/5.1.1-release에서 Commit.gitdeps.xml파일도 받아서 Engine/Build/폴더에 덮어 씌워준 후 Setup.bat을 실행시켜 주어야 한다.
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