[HDFS-4494] Confusing exception for unresolvable hdfs host with security enabled

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Done
• Affects Version/s: 0.23.0, 2.0.0-alpha, 3.0.0-alpha1
• Component/s: hdfs-client
• Assignee: Unassigned
• Reporter: Daryn Sharp
• Created: 12/Feb/13 21:57
• Updated: 12/May/16 18:12
• Resolved: 16/Mar/15 17:37

Description

$ hadoop fs -ls hdfs://unresolvable-host
ls: Can't replace _HOST pattern since client address is null

It's misleading because it's not even related to the client's address. It'd be a bit more informative to see something like "UnknownHostException: unresolvable-host".