[HDFS-9001] DFSUtil.getNsServiceRpcUris() can return too many entries in a non-HA, non-federated cluster

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6.0, 2.7.0, 2.7.1
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Target Version/s: 2.8.0
• Hadoop Flags: Reviewed
• Assignee: Daniel Templeton
• Reporter: Daniel Templeton
• Created: 01/Sep/15 20:57
• Updated: 30/Aug/16 01:28
• Resolved: 30/Sep/15 01:23

Description

If defaultFS differs from rpc-address, then DFSUtil.getNsServiceRpcUris() will return two entries: one for the [service] RPC address and one for the default FS. This behavior violates the expected behavior stated in the JavaDoc header.