[RANGER-2214] Do some code improvement for the error message for KylinClient.java

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: master
• Fix Version/s: 2.0.0, 1.2.0
• Component/s: plugins
• Labels: patch
• Assignee: Qiang Zhang
• Reporter: Qiang Zhang
• Created: 11/Sep/18 03:27
• Updated: 24/Sep/18 18:04
• Resolved: 21/Sep/18 17:16

Description

Now the test connection get an error return, such as 401, the error message always show 'got null response'

Issue Links

• links to: https://reviews.apache.org/r/68682/