[HDFS-4259] Improve pipeline DN replacement failure message

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.2-alpha
• Fix Version/s: 2.0.3-alpha
• Component/s: hdfs-client
• Assignee: Harsh J
• Reporter: Harsh J
• Created: 02/Dec/12 04:38
• Updated: 15/Feb/13 13:12
• Resolved: 27/Jan/13 17:43

Description

The current message shown is something such as below:

Failed to add a datanode. User may turn off this feature by setting X.policy in configuration, where the current policy is Y. (Nodes: current=[foo], original=[bar])

This reads off like failing is a feature (but the intention and the reason we hit this isn't indicated strongly), and can be bettered.