AggregateException on GoogleCredential.GetApplicationDefault()

Question

使用此代码：

private async Task<string> DoCustomToken(string arg)
{
    try
    {
        var uid = "some-uid";
        FirebaseApp.Create(new AppOptions()
        {
            Credential = GoogleCredential.GetApplicationDefault(),//GoogleCredential.FromFile("C:/config-production-firebase.json"),
            ServiceAccountId = "<my-id>@<my-project-id>.iam.gserviceaccount.com",

        }) ;
        string customToken = await FirebaseAuth.DefaultInstance.CreateCustomTokenAsync(uid);
        return customToken;
    }

    catch (Exception e) { return e.GetType().FullName + " - " + e.Message; }

}

我要去System.AggregateException: One or more errors occurred在GoogleCredential.GetApplicationDefault()

我试图用C#生成一个自定义令牌，以便在DLL中使用。

PS:当我尝试使用GoogleCredential.FromFile时，我得到了一个InvalidOperationException: Error deserializing JSON credential data

环境

FirebaseAdmin: 1.9.1

Newtonsoft.Json: 12.0.3

.NET Framework: 4.8

Answer 1

您可以查看InnerExceptions类的AggregateException属性，以找出问题的更具体原因。AggregateException对象在发生Task-related异常时抛出。