[HADOOP-13503] Improve SaslRpcClient failure logging

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: security
• Hadoop Flags: Reviewed
• Assignee: Xiaobing Zhou
• Reporter: Xiaobing Zhou
• Created: 17/Aug/16 00:25
• Updated: 26/Oct/16 06:59
• Resolved: 18/Aug/16 22:01

Description

In SaslRpcClient#getServerPrincipal, it only printed out server advertised principal. The actual principal we expect from configuration is quite useful while debugging security related issues. It should also be logged.

Issue Links

• is duplicated by: HADOOP-13056 Print expected values when rejecting a server's determined principal