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https://issues.apache.org/jira/browse/LOG4J2-27?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ralph Goers closed LOG4J2-27.
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Closing since there have been no further updates.
> log4j 2 should implement the SLF4J API directly
> -----------------------------------------------
>
> Key: LOG4J2-27
> URL: https://issues.apache.org/jira/browse/LOG4J2-27
> Project: Log4j 2
> Issue Type: Wish
> Components: API
> Reporter: Curt Arnold
> Assignee: Ralph Goers
> Fix For: 2.0-alpha1
>
> Attachments: jspwiki-log.pdf
>
>
> A PDF version of jspwiki-log.odf will be attached to this bug.
> On Dec 3, 2008, at 5:41 AM, Ceki Gulcu wrote on log4j-dev:
> Hello,
> As you are probably aware, more and more projects are adopting the
> SLF4J API. I would venture say that SLF4J's adoption rate is roughly
> equivalent to that of log4j itself. Although the SLF4J API is not
> perfect, most SLF4J users seem to be extremely happy with it.
> Harry Metske synthesized various logging paths in JSPWiki
> https://issues.apache.org/jira/secure/attachment/12394188/jspwiki-log.odp
> I was taken aback by the picture he paints. I think we as log4j
> committers owe it to Java developers to propose a saner logging model.
> Given the multiplicity of logging APIs in the Java world, I propose
> that log4j implement the SLF4J API directly. This can be done in the
> next version of log4j, say 1.3 or 2.0.
> Unfortunately, the adoption of the SLF4J API by log4j will be break
> 100% compatibility with existing log4j clients. More precisely,
> logging statements passing java.lang.Object as the message parameter
> will need to be changed to java.lang.String. Assuming that the
> proportion of logging statements using objects instead string is
> extremely small, comparatively few users will be affected. More
> importantly, in my experience, even very large projects can be
> migrated to the SLF4J API within half an hour.
> There is even a tool called slf4j-migrator to help with such
> migration [1].
> Is there support for my proposal?
> [1] http://www.slf4j.org/migrator.html
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