private void validate() throws IOException {
		synchronized (fileSystem) {
			repository.validate();
			if (deleted) {
				throw new FileNotFoundException(getPathname() + " not found");
			}
			if (databaseItem == null) {
				repositoryItem = null;
				LocalFolderItem folderItem = fileSystem.getItem(parent.getPathname(), name);
				if (folderItem == null || !folderItem.isVersioned() ||
					!(folderItem instanceof LocalDatabaseItem)) {
					// must build pathname just in case folderItem does not exist
					String pathname = parent.getPathname();
					if (pathname.length() != 1) {
						pathname += "/";
					}
					pathname += name;
					RepositoryManager.log(repository.getName(), pathname,
						"file is corrupt or unsupported", null);
					throw new FileNotFoundException(pathname + " is corrupt or unsupported");
				}
				this.databaseItem = (LocalDatabaseItem) folderItem;
			}
		}
	}
Validate this repository file.
@throws IOException if the underlying item is not found or 
associated repository is not valid
Ghidra/Features/GhidraServer/src/main/java/ghidra/server/store/RepositoryFile.java