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

Thu Mar 14 14:26:41 EDT 2013

    [ https://issues.jboss.org/browse/JGRP-1585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12761232#comment-12761232 ] 

David Lloyd commented on JGRP-1585:
-----------------------------------

The project is here: https://github.com/jboss-logging/jboss-logging

There are no docs other than JavaDoc; just use the {{Logger}} class in the obvious way.  Methods that end in "f" or "v" are varargs; the "f" variants use printf-style formatting and the "v" variants use MessageFormat-style formatting.

Example:
{code}
    static final Logger log = Logger.getLogger("org.myproject");

    // ... later on ...
    log.debugf("Flop the frob (%s)", frob); // or ...
    log.debugv("Flop the frob ({0})", frob);
    // ... etc ...
{code}

> 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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