[jira] [Commented] (ZOOKEEPER-2342) Migrate to Log4J 2.

["Ljubo Mamic (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17071520#comment-17071520 ] 

Ljubo Mamic commented on ZOOKEEPER-2342:
----------------------------------------

Hi,

 

Did anyone try to migrate log4j with the log4j-1.2-api bridge?

Is zookeeper compatible?

[http://logging.apache.org/log4j/2.x/manual/migration.html] Here it says:
h2. Migrating from Log4j 1.x
h3. Using the Log4j 1.x bridge

Perhaps the simplest way to convert to using Log4j 2 is to replace the log4j 1.x jar file with Log4j 2's log4j-1.2-api.jar. However, to use this successfully applications must meet the following requirements:
 # They must not access methods and classes internal to the Log4j 1.x implementation such as Appenders, LoggerRepository or Category's callAppenders method.
 # They must not programmatically configure Log4j.
 # They must not configure by calling the classes DOMConfigurator or PropertyConfigurator.

 

Best Regards, Ljubo

 

> Migrate to Log4J 2.
> -------------------
>
>                 Key: ZOOKEEPER-2342
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2342
>             Project: ZooKeeper
>          Issue Type: Bug
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>            Priority: Major
>             Fix For: 3.7.0
>
>         Attachments: ZOOKEEPER-2342.001.patch
>
>
> ZOOKEEPER-1371 removed our source code dependency on Log4J.  It appears that this also removed the Log4J SLF4J binding jar from the runtime classpath.  Without any SLF4J binding jar available on the runtime classpath, it is impossible to write logs.
> This JIRA investigated migration to Log4J 2 as a possible path towards resolving the bug introduced by ZOOKEEPER-1371.  At this point, we know this is not feasible short-term.  This JIRA remains open to track long-term migration to Log4J 2.



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