[FLINK-9632] SlotPool should notify the caller when allocateSlot meet an exception

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Component/s: Runtime / Coordination
• Labels: flip-6
• Assignee: shuai.xu
• Reporter: shuai.xu
• Created: 21/Jun/18 03:58
• Updated: 28/Feb/19 14:12
• Resolved: 21/Jun/18 06:20

Description

In SlotPool, the allocateSlot() will return a CompletableFuture<LogicalSlot>, but this future will only be completed when slotAndLocalityFuture return a LogicSlot, if slotAndLocalityFuture is completed exceptionally, it will never be completed. so the caller will never know it.