[jboss-jira] [JBoss JIRA] (WFWIP-91) [Artemis 2.x upgrade] artemis: artemis/hornetq: memory exhaustion via UDP and JGroups discovery

[Martyn Taylor (JIRA)]

    [ https://issues.jboss.org/browse/WFWIP-91?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13616533#comment-13616533 ] 

Martyn Taylor commented on WFWIP-91:
------------------------------------

It was removed during a refactor.  Added back via: https://github.com/apache/activemq-artemis/pull/2227

> [Artemis 2.x upgrade] artemis: artemis/hornetq: memory exhaustion via UDP and JGroups discovery
> -----------------------------------------------------------------------------------------------
>
>                 Key: WFWIP-91
>                 URL: https://issues.jboss.org/browse/WFWIP-91
>             Project: WildFly WIP
>          Issue Type: Bug
>          Components: Artemis
>            Reporter: Miroslav Novak
>            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.



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