[HDFS-3490] DN WebHDFS methods throw NPE if Namenode RPC address param not specified

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 2.0.2-alpha
• Component/s: webhdfs
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Todd Lipcon
• Created: 01/Jun/12 19:17
• Updated: 11/Oct/12 17:46
• Resolved: 09/Jun/12 00:56

Description

If NamenodeRpcAddressParam is not passed to the datanode webhdfs methods, an NPE will be generated trying to use it. We should check the parameter and throw a more appropriate error message when it is missing.