[Artemis 2.x upgrade] artemis: artemis/hornetq: memory exhaustion via UDP and JGroups discovery ----------------------------------------------------------------------------------------------- Key: WFWIP-94 URL: https://issues.jboss.org/browse/WFWIP-94 Project: WildFly WIP Issue Type: Bug Components: Artemis Reporter: Roman Vais Assignee: Martyn Taylor Priority: Blocker When 3rd party tool send multicast messages to Artemis which is configured with UDP Disovery and JGroups Discovery, Artemis creates a huge byte array at receiving the unexpected multicast message. So, it results in heap memory exhaustion, full GC and OutOfMemoryError in the worst case.