Firebase Storage putBytes throwing StorageException: Cannot upload to getRoot(FireBase Storage putBytes引发StorageException：无法上载到getRoot)

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问题描述

我使用以下方法尝试将图像作为字节数组上载到Kotlin中的FireBase存储，但它引发了StorageException。

private val storageReference = Firebase.storage.reference

private suspend fun uploadProfilePicture(profilePicture: ByteArray) {
    val completableDeferred = CompletableDeferred<Task<UploadTask.TaskSnapshot>>()
    storageReference.child("users/${auth.currentUser!!.uid}/profile_picture.jpg")
    storageReference.putBytes(profilePicture)
        .addOnCompleteListener { task -> completableDeferred.complete(task) }
    val uploadResult = completableDeferred.await()
    if (!uploadResult.isSuccessful) 
        throw UploadException(uploadResult.exception?.message ?: "Profile picture was not uploaded")
}

日志目录错误：

  An unknown error occurred, please check the HTTP result code and inner exception for server response.
   Code: -13000 HttpResult: 0
2021-03-18 21:14:47.586 16532-16532/ E/StorageException: Cannot upload to getRoot. You should upload to a storage location such as .getReference('image.png').putFile...
  java.lang.IllegalArgumentException: Cannot upload to getRoot. You should upload to a storage location such as .getReference('image.png').putFile...
    at com.google.firebase.storage.UploadTask.run(UploadTask.java:205)
    at com.google.firebase.storage.StorageTask.lambda$getRunnable$7(StorageTask.java:1072)
    at com.google.firebase.storage.StorageTask$$Lambda$12.run(Unknown Source:2)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
    at java.lang.Thread.run(Thread.java:764)
2021-03-18 21:14:47.587 16532-16532/ E/Register upload: An unknown error occurred, please check the HTTP result code and inner exception for server response.

以下https://firebase.google.com/docs/storage/android/upload-files#kotlin+ktx似乎没问题，我不确定可能是什么问题。我的存储上的安全规则被设置为允许任何人，只要他们目前被授权：

rules_version = '2';
service firebase.storage {
  match /b/{bucket}/o {
    match /{allPaths=**} {
      allow read, write: if request.auth != null;
    }
  }
}

推荐答案

您正在调用根引用的putBytes()方法。这是不允许的。使用根引用As val reference = storageReference.child("users/${auth.currentUser!!.uid}/profile_picture.jpg")创建子引用，并对其调用putBytes()方法(reference.putBytes(profilePicture))。

修改后的代码将如下所示。

private val storageReference = Firebase.storage.reference

private suspend fun uploadProfilePicture(profilePicture: ByteArray) {
    val completableDeferred = CompletableDeferred<Task<UploadTask.TaskSnapshot>>()
    val reference = storageReference.child("users/${auth.currentUser!!.uid}/profile_picture.jpg")
    reference.putBytes(profilePicture)
        .addOnCompleteListener { task -> completableDeferred.complete(task) }
    val uploadResult = completableDeferred.await()
    if (!uploadResult.isSuccessful) 
        throw UploadException(uploadResult.exception?.message ?: "Profile picture was not uploaded")
}

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