Assume that you use SQL Server 2019 Big Data Cluster (BDC). If the HDFS name node is not active and the HTTP request has other failures other than standby name node error, you may hit NullPointerException when you try to access the response body. This may mask the actual http error that you want to have information on.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This issue is fixed in the following cumulative update for SQLServer:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all thehotfixes and all the security fixes that were included with the previouscumulative update. Check out the latest cumulative updates for SQL Server: