title: Unable to access container $root in account myblobcontainer using anonymous credentials, and no credentials found for them in the configuration
body: <p>I'm trying to connect to an Azure blob file within a DataBricks notebook.</p>
  
  <pre><code>spark.conf.set(
    "fs.azure.sas.myblobcontainer.mystorageaccount.blob.core.windows.net",
    "mysastoken")
  
  df = spark.read.format(file_type).option("inferSchema", "true").load(file_location)
  </code></pre>
  
  <p>I get the error:</p>
  
  <pre><code>Unable to access container $root in account badrulsblobcontainer using anonymous credentials, and no credentials found for them  in the configuration.
  </code></pre>
  
  <p>I have created a SAS key in Azure for my Container</p>