[jboss-jira] [JBoss JIRA] (WFLY-10047) OOM caused by jgroups objects UNICAST3$SenderEntry#1

[Erich Duda (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-10047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Erich Duda closed WFLY-10047.
-----------------------------
    Fix Version/s: 13.0.0.Beta1
       Resolution: Done


> OOM caused by jgroups objects UNICAST3$SenderEntry#1
> ----------------------------------------------------
>
>                 Key: WFLY-10047
>                 URL: https://issues.jboss.org/browse/WFLY-10047
>             Project: WildFly
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 13.0.0.Beta1
>            Reporter: Erich Duda
>            Assignee: Paul Ferraro
>            Priority: Blocker
>             Fix For: 13.0.0.Beta1
>
>         Attachments: heapdump.png
>
>
> JGroups objects UNICAST3$SenderEntry#1 caused OOM on Wildfly server during the boot. See attached picture.  !heapdump.png|thumbnail! 
> *User impact:* If users use JGroups for clustering, the server may get OOM what can cause undefined behavior.
> The *blocker* priority was set, because this is regression against previous versions of Wildfly and the OOM is serious error which prevents server to work properly.
> The issue was hit in following scenario.
> # start two servers (nodes) in cluster with one queue
> # producer starts to send messages to queue to node-1
> # node-2 is killed and restarted during sending messages <---- *Here the test failed, when the node-2 was started after that it had been killed.*
> # start consumer on node-2 which reads messages from queue
> # servers are stopped
> The Wildfly was built from following source code:
> repo: https://github.com/jmesnil/wildfly
> branch: WFLY-9407_upgrade_artemis_2.5.0
> commit SHA: 06c878a313d3cad323889d017e60fd5533204d1a
> JGroups version: 4.0.10.Final



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