[AMBARI-18835] Heartbeat lost for all hosts after server start

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.4.2
• Component/s: ambari-server
• Assignee: Papirkovskyy Myroslav
• Reporter: Papirkovskyy Myroslav
• Created: 09/Nov/16 17:12
• Updated: 10/Nov/16 02:04
• Resolved: 09/Nov/16 22:19

Description

Occurred once after upgrade. REST endpoints for agents became inaccessible and agents were unable to send heartbeats.
Research has shown that all jetty worker threads were in infinite loop while reading from HashMap which was not threadsafe.

Issue Links

• links to: reviewboard