[FLINK-3314] Early cancel calls can cause Tasks to not cancel properly

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 1.0.0
• Component/s: Runtime / Task
• Assignee: Stephan Ewen
• Reporter: Stephan Ewen
• Created: 02/Feb/16 11:17
• Updated: 02/Feb/16 17:25
• Resolved: 02/Feb/16 17:25

Description

When a task receives the "cancel()" call before the operators are properly instantiated, it can be that the operator never receives a cancel call.

In certain cases, this causes the operator to hang.