serverless/serverless · error

creating directory %s: %w

Error message

creating directory %s: %w

What it means

Error "creating directory %s: %w" thrown in serverless/serverless.

Source

Thrown at binary-installer/src/version.go:440

			header, err := tarReader.Next()

			if err == io.EOF {
				break
			}

			if err != nil {
				return "", fmt.Errorf("reading archive entry: %w", err)
			}

			switch header.Typeflag {
			case tar.TypeDir:
				cleanPath := filepath.Clean(header.Name)
				path := filepath.Join(releasePath, cleanPath)
				if !strings.HasPrefix(path, filepath.Clean(releasePath)+string(os.PathSeparator)) {
					return "", fmt.Errorf("invalid file path")
				}
				if err := os.MkdirAll(path, 0755); err != nil {
					return "", fmt.Errorf("creating directory %s: %w", path, err)
				}
				dirPaths[path] = true
			case tar.TypeReg:
				cleanPath := filepath.Clean(header.Name)
				path := filepath.Join(releasePath, cleanPath)
				if !strings.HasPrefix(path, filepath.Clean(releasePath)+string(os.PathSeparator)) {
					return "", fmt.Errorf("invalid file path")
				}
				dirPath := filepath.Dir(path)
				if !dirPaths[dirPath] {
					if err := os.MkdirAll(dirPath, os.ModePerm); err != nil {
						return "", fmt.Errorf("creating directory %s: %w", dirPath, err)
					}
					dirPaths[dirPath] = true
				}
				outFile, err := os.OpenFile(path, os.O_CREATE|os.O_RDWR|os.O_TRUNC, os.FileMode(header.Mode))
				if err != nil {
					return "", fmt.Errorf("opening file %s: %w", path, err)

View on GitHub (pinned to b9d7ea51c8)

Solutions

1. Check that the parent directory exists and your user has write permission to create the directory under ~/.serverless.
2. Free disk space if the filesystem is full.

When it happens

Trigger: Thrown at binary-installer/src/version.go:440 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of serverless/serverless@b9d7ea51c8 (2026-08-13). Data as JSON: /api/errors/a8886b62d9083b26. Report an issue: GitHub.