[HTRACE-119] detach of NullScope singleton should not fail

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: master
• Fix Version/s: 3.2.0
• Assignee: Masatake Iwasaki
• Reporter: Masatake Iwasaki
• Created: 26/Feb/15 08:20
• Updated: 02/Mar/15 23:10
• Resolved: 02/Mar/15 22:05

Description

The detach method of NullScope singleton is possible to be called multiple times by users avoiding conditionals by the assumption that NullScope#close and NullScope#detach results in no-op. Calling detach of NullScope singleton multiple times throws RuntimeException by HTRACE-101 now.

Issue Links

• is broken by: HTRACE-101 Add better error-checking to Java HTrace client