[jboss-jira] [JBoss JIRA] (JGRP-1585) Upgrade log4j

[Bela Ban (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12761341#comment-12761341 ] 

Bela Ban commented on JGRP-1585:
--------------------------------

jboss-logging:
* meta-logging framework, does the same as what JGroups org.jgroups.logging already does
* Easy to use
** Provides logging adapters for JBoss, log4j, JUL and slf4j
** Does *not* provide adapter for log4j2 or logback

I think I'm going to go with log4j2 for now, with the following changes:
* Hack support for setting the level at runtime
* Use only the CORE JAR and copy the relevant part of the API JAR (creation of loggers) into JGroups's Log4j2LogImpl

                
> Upgrade log4j
> -------------
>
>                 Key: JGRP-1585
>                 URL: https://issues.jboss.org/browse/JGRP-1585
>             Project: JGroups
>          Issue Type: Task
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 3.4
>
>
> log4j has some heavy synchronization, which can sometimes lead to code blocking up to 30 seconds (see [1]).
> Investigate whether we should switch to log42 [2]. Perhaps we can simply program against the API (30K) and not even ship the implementation ?
> [1] https://issues.apache.org/bugzilla/show_bug.cgi?id=51047
> [2] http://logging.apache.org/log4j/2.x/

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