A NPE occurs if the server unexpectedly closes the connection for an AuthenticatedURL w/o sending a response.
- is depended upon by
HDFS-3980 NPE in HttpURLConnection.java while starting SecondaryNameNode.
- is duplicated by
HADOOP-9645 KerberosAuthenticator NPEs on connect error
- is related to
HDFS-4576 Webhdfs authentication issues