Google云端存储InsertMediaUpload服务BaseUri ArgumentNullException [英] Google Cloud Storage InsertMediaUpload Service BaseUri ArgumentNullException

问题描述

我正在尝试将文件上传到Google云存储中的存储桶.

I am trying to upload a file to a bucket in google cloud storage.

我编写了以下代码来创建StorageService并将文件上传到存储桶中.

I wrote the following code to create the StorageService and upload the file to the bucket.

GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer() {
    ClientSecrets = new ClientSecrets { ClientId = _googleSettings.ClientID, ClientSecret = _googleSettings.ClientSecret },
    DataStore = new FileDataStore(System.Web.HttpContext.Current.Server.MapPath("/App_Data")),
    Scopes = new string[] { StorageService.Scope.DevstorageReadWrite },
});

UserCredential userCredentials = new UserCredential(flow, Environment.UserName, new TokenResponse());

StorageService service = new StorageService(new BaseClientService.Initializer()
{
    HttpClientInitializer = userCredentials,
    ApplicationName = "GCS Sample"
});

Google.Apis.Storage.v1.Data.Object fileobj = new Google.Apis.Storage.v1.Data.Object() { Name = fileDetails.FileName };

ObjectsResource.InsertMediaUpload uploadService = service.Objects.Insert(fileobj, _googleSettings.BucketName, fileDetails.Stream, fileDetails.MimeContentType);

IUploadProgress progress = uploadService.Upload();

if (progress.Exception != null) //The exception always exists.
{
    throw progress.Exception;
}

但是，当调用上载方法时，会引发一个ArgumentNullException，其内容为值不能为空.参数名称:baseUri".

However, an ArgumentNullException that says "Value cannot be null. Parameter name: baseUri" is thrown when call the upload method.

有人知道如何解决这个问题吗?

Does anyone know how to solve this problem ?

推荐答案

我也遇到了此错误，这是由于流对象中的第一个字符是空格.一旦我将其设置为非空格字符，上传就可以正常工作.正如Vaqar所说，这似乎是默认错误，因此不确定此答案是否有帮助，但也许会帮助其他人...

I ran into this error too and it was due to having a space as the first character in my stream object. Once I made that a non-space character the upload worked. As Vaqar says above this seems to be a default error so not sure if this answer helps but maybe will help others...

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