iOS上的React Native返回HTTP 406不可接受的错误消息

我正在尝试使用Swift 2在iOS应用程序中显示React本机视图。React Native返回HTTP 406不可接受的错误消息

let bridge = RCTBridge(bundleURL: jsCodeLocation, moduleProvider: nil, launchOptions: ["controller":self])
let reactRootView: RCTRootView = RCTRootView(bridge: bridge, moduleName: moduleName, initialProperties: initialProperties)
reactRootView.autoresizingMask = [.FlexibleWidth, .FlexibleHeight]
reactRootView.delegate = self
let viewController = UIViewController()
viewController.view.addSubview(reactRootView)
self.navigationController?.pushViewController(viewController, animated: true)

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你能建议一个修复的决定吗？

我已经找到了失败的原因：一个错误的JS代码位置URL