[IGNITE-4740] Service could be deployed/undeployed twice on concurrent cancel and discovery event

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8
• Fix Version/s: 2.0
• Component/s: managed services
• Assignee: Dmitry Karachentsev
• Reporter: Dmitry Karachentsev
• Created: 22/Feb/17 07:15
• Updated: 28/Feb/17 13:06
• Resolved: 28/Feb/17 13:06

Description

In case of concurrent service cancel and discovery event, for example, applying continuous query, may cause double service deploy/undeploy.

Fix should consist in filtering such DiscoveryCustomEvent in GridServiceProcessor.TopologyListener.