[AURORA-1990] SlaManager's AsyncHttpClient can keep scheduler from shutting down

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Assignee: Santhosh Kumar Shanmugham
• Reporter: Santhosh Kumar Shanmugham
• Created: 15/Jun/18 18:00
• Updated: 15/Jun/18 22:09
• Resolved: 15/Jun/18 22:09

Description

We observed a situation where the scheduler was unable to fully shutdown after a single non-daemon thread from the AsyncHttpClient's thread pool stayed alive.

We should convert the SlaManager to be an AbstractIdleService to ensure that the thread pool is closed on scheduler shutdown.