从Firebase存储下载时出错 [英] Error when downloading from Firebase storage

问题描述

我试图使用新的Firebase存储进行基本的上传/下载工作。上传工作正常，但我无法将文件下载到设备。有人可以请说明我做错了什么。谢谢！

  func downloadAudio（）{
 
 let storageRef = FIRStorage.storage（）。reference（）
 
让pathReference = storageRef.child（testAudio / audio_test.m4a）
 
 let localURL = getDocumentsDirectory（）。URLByAppendingPathComponent（audio_test2.m4a）
 
 let downloadTask = pathReference.writeToFile（localURL）{（URL，error） - >无效
 if（error！= nil）{
 
 print（ERROR  - ，error.debugDescription）
} else {
 print（SUCCESS  -  ，URL）
} 
} 
} 
  

PRINTS：
$ b 错误 - 可选（错误域= FIRStorageErrorDomain代码= -13000发生未知错误，请检查服务器响应。UserInfo = {ResponseErrorDomain = NSCocoaErrorDomain，object = testAudio / audio_test.m4a，NSURL = / Users / Ben / Library / Developer / CoreSimulator / Devices / 02AF50F2-E9BE-4EED-A3BE-485D63264731 / data / Containers / Data / Application / 31BDED56-0135-4E70- 943E-F897080768D6 / Documents /，bucket = mydevslopesapp.appspot.com，ResponseErrorCode = 518，NSLocalizedDescription =发生未知错误，请检查服务器响应。解决方案

这不是一个存储错误，它实际上是你正在尝试写入的文件的问题。

看起来像 URLByAppengingString 应该是 fileURLWithPath 来获取文件系统的URL（每个 NSFileManager创建目录错误518 NSFileWriteUnsupportedSchemeError ）。

长期来看，我们需要将其作为看到相关错误而不是阅读网络响应。

I am trying to get basic upload/download working with the new Firebase storage. Uploading worked fine but I am unable to download the file to the device. Can someone please shed some light on what I am doing wrong. Thanks!

func downloadAudio() {

let storageRef = FIRStorage.storage().reference()

let pathReference = storageRef.child("testAudio/audio_test.m4a")

let localURL = getDocumentsDirectory().URLByAppendingPathComponent("audio_test2.m4a")

let downloadTask = pathReference.writeToFile(localURL) { (URL, error) -> Void in
  if (error != nil) {

    print("ERROR - ", error.debugDescription)
  } else {
    print("SUCCESS - ", URL)
  }
 }
}

PRINTS:

ERROR - Optional(Error Domain=FIRStorageErrorDomain Code=-13000 "An unknown error occurred, please check the server response." UserInfo={ResponseErrorDomain=NSCocoaErrorDomain, object=testAudio/audio_test.m4a, NSURL=/Users/Ben/Library/Developer/CoreSimulator/Devices/02AF50F2-E9BE-4EED-A3BE-485D63264731/data/Containers/Data/Application/31BDED56-0135-4E70-943E-F897080768D6/Documents/, bucket=mydevslopesapp.appspot.com, ResponseErrorCode=518, NSLocalizedDescription=An unknown error occurred, please check the server response.})

解决方案

This is not a storage error, it's actually an issue with the file you're attempting to write to.

Looks like URLByAppengingString should be fileURLWithPath to get a file system URL (per NSFileManager creating directory error 518 NSFileWriteUnsupportedSchemeError).

Long term we need to fish this out and serve it as a "see relevant error" rather than "read network response."

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