[jboss-jira] [JBoss JIRA] Commented: (JBCLUSTER-220) HAPartition.callMethodOnCluster() is not reentrant

[Brian Stansberry (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBCLUSTER-220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12451036#action_12451036 ] 

Brian Stansberry commented on JBCLUSTER-220:
--------------------------------------------

Bela,

A backport of making the response always OOB to 2.6.8 would be great; that would remove this issue for a lot of cases. I'll add an overloaded callMethodOnCluster to HAPartition to allow the OOB request, but that's an API change, so AS 6.

Fol de Rol,

JGroups 2.4 does not support out-of-band messages. You could try using JGroups 2.6.7 in community AS 4.2.x. If it works, then when 2.6.8 comes out you can move to that and get the benefit Not sure if JGroups 2.6.x will work in AS 4.2; haven't tried it. But I think it should. For sure you'll get some WARN logging about using deprecated configuration attributes, but the log messages do a good job of explaining what's wrong; generally you just remove attributes that are no longer relevant.

> HAPartition.callMethodOnCluster() is not reentrant
> --------------------------------------------------
>
>                 Key: JBCLUSTER-220
>                 URL: https://jira.jboss.org/jira/browse/JBCLUSTER-220
>             Project: JBoss Clustering
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: HA-Server-API
>            Reporter: Fol de Rol
>            Assignee: Brian Stansberry
>
> An RPC handler of callMethodOnCluster() cannot in its turn call callMethodOnCluster() querying other services. The second call blocks until timeout is reached and returns without results.
> The same relates to facilities based on this method like Distributed Replicant Manager.

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