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From "Olaf Krische (JIRA)" <j...@apache.org>
Subject [jira] Updated: (ZOOKEEPER-850) Switch from log4j to slf4j
Date Wed, 10 Nov 2010 12:21:17 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Olaf Krische updated ZOOKEEPER-850:
-----------------------------------

    Release Note: 
* replaces log4j with slf4j code (also in contrib for bookkeeper, zooinspector,rest,loggraph),
added slf4j dependencies into several ivy.xml files
* you must add slf4j-api-1.6.1.jar and slf4j-log4j12-1.6.1.jar (bridge from sl4j to log4j)
to the classpath, if not using the standard scripts
* log4j remains as the final logger yet, there is still work to do: remove programmatic access
to the log4j api from certain classes (which add appenders or configure log4j at runtime),
or move them to contrib



  was:
* replaces log4j with slf4j code (also in contrib for bookkeeper, zooinspector,rest,loggraph),
added slf4j dependencies into several ivy.xml files
* you must add slf4j-api-1.6.1.jar and slf4j-log4j12-1.6.1.jar (bridge from sl4j to log4j)
to the classpath, if not using the standard scripts
* log4j remains as the final logger yet, there is still work to do: remove programmatic access
to the log4j from certain classes (which add appenders or configure log4j at runtime), or
move them to contrib




> Switch from log4j to slf4j
> --------------------------
>
>                 Key: ZOOKEEPER-850
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-850
>             Project: Zookeeper
>          Issue Type: Improvement
>          Components: java client
>    Affects Versions: 3.3.1
>            Reporter: Olaf Krische
>            Assignee: Olaf Krische
>             Fix For: 3.4.0
>
>         Attachments: ZOOKEEPER-3.3.1-log4j-slf4j-20101031.patch.bz2, ZOOKEEPER-3.4.0-log4j-slf4j-20101102.patch.bz2,
ZOOKEEPER-850.patch
>
>
> Hello,
> i would like to see slf4j integrated into the zookeeper instead of relying explicitly
on log4j.
> slf4j is an abstract logging framework. There are adapters from slf4j to many logger
implementations, one of them is log4j.
> The decision which log engine to use i dont like to make so early.
> This would help me to embed zookeeper in my own applications (which use a different logger
implemenation, but slf4j is the basis)
> What do you think?
> (as i can see, those slf4j request flood all other projects on apache as well :-)
> Maybe for 3.4 or 4.0?
> I can offer a patchset, i have experience in such an migration already. :-)

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