[FLUME-379] Better error message when mapping already mapped logical node.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.2
• Fix Version/s: 0.9.3
• Component/s: Easy, Technical Debt
• Assignee: Jonathan Hsieh
• Reporter: Jonathan Hsieh
• Created: 08/Dec/10 23:54
• Updated: 10/Jan/11 20:10
• Resolved: 10/Jan/11 20:10

Description

Currently, we emit and ERROR and stack trace when a logical node that is mapped is mapped again.

My suggestion is to:
1) emit warn if it is remapping the same logical node to the same physical node.
2) emit error but no stack trace when attempting to map, also saying that the logical node is already mapped on some other physical node.