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https://issues.apache.org/jira/browse/LOG4J2-1302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15732793#comment-15732793
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Neon edited comment on LOG4J2-1302 at 12/8/16 5:16 PM:
-------------------------------------------------------
FYI, the description of the Log4j 2 SLF4J binding at
https://logging.apache.org/log4j/2.0/log4j-slf4j-impl/index.html
States:
The Log4j 2 SLF4J Binding allows applications coded to the SLF4J API to use
Log4j 2 as the implementation.
>From that statement, I interpreted "Log4j 2 *implementation*" as log4j-core.
So, it should be reword to "Log4j 2 API" and under Usage section of that page,
there should be a note that you would still need to add log4j-core.
Additionally, on that page it says: Use of the Log4j 2 SLF4J Binding
(log4j-slf4j-impl-2.0.jar) together with the SLF4J adapter
(log4j-to-slf4j-2.0.jar) should never be attempted, as it will cause events to
endlessly be routed between SLF4J and Log4j 2.
aka, ONE SHOULD NEVER use log4j-slf4j-impl and log4j-slf4j-impl (which counters
your future proofing statement).
was (Author: neon):
FYI, the description of the Log4j 2 SLF4J binding at
https://logging.apache.org/log4j/2.0/log4j-slf4j-impl/index.html
States:
The Log4j 2 SLF4J Binding allows applications coded to the SLF4J API to use
Log4j 2 as the implementation.
>From that statement, I interrupted Log4j 2 implementation as log4j-core.
So, it should be reword to "Log4j 2 API" and under Usage section of that page,
there should be a note that you would still need to add log4j-core.
Additionally, on that page it says: Use of the Log4j 2 SLF4J Binding
(log4j-slf4j-impl-2.0.jar) together with the SLF4J adapter
(log4j-to-slf4j-2.0.jar) should never be attempted, as it will cause events to
endlessly be routed between SLF4J and Log4j 2.
aka, ONE SHOULD NEVER use log4j-slf4j-impl and log4j-slf4j-impl (which counters
your future proofing statement).
> log4j-slf4j-impl should provide a runtime dependency on log4j-core
> ------------------------------------------------------------------
>
> Key: LOG4J2-1302
> URL: https://issues.apache.org/jira/browse/LOG4J2-1302
> Project: Log4j 2
> Issue Type: Improvement
> Components: SLF4J Bridge
> Reporter: Steve Davids
>
> After pulling in the log4j-slf4j-impl I was surprised to find out that I also
> needed to add the the log4j-core dependency myself instead of the dependency
> pulled in automatically from the log4j-slf4j-impl pom. I was expecting the
> behavior provided by slf4j-log4j12 which does pull in the appropriate
> implementation to get going immediately.
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