[STORM-3127] Avoid potential race condition

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.0.0
• Component/s: storm-server
• Assignee: Zhengdai Hu
• Reporter: Zhengdai Hu
• Created: 27/Jun/18 17:55
• Updated: 09/Jul/18 21:14
• Resolved: 09/Jul/18 21:14

Description

PortAndAssignment and its call back is added after update to a blob is invoked asynchronously. It is not guaranteed that the new dependent worker will be registered before blob informs its update to listening workers.

This can be fixed by moving addReference call up.

Issue Links

• Is contained by: STORM-3125 Refactoring methods in components for Supervisor and DRPC