Release of SLF4J version 1.7.23

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Release of SLF4J version 1.7.23

Ceki Gulcu

Hello all,

I am happy to announce the immediate availability of SLF4J version
1.7.23, a maintenance release fixing bugs with no new features. It fixes
a log4j issue with Java 9.

Please refer to the the news page for more details on this release:

     http://www.slf4j.org/news.html

The relevant artifacts should hit the Maven central repository within
the next few hours.


As of version 1.7.9, SLF4J can automatically detect and report
mismatches between the class where a logger is defined and the logger
name. This cool feature was contributed by Alexander Dorokhine. I join
the undoubtedly many SLF4J users in thanking Alexander for his great
work. For more details on this feature see:

    http://www.slf4j.org/codes.html#loggerNameMismatch

The 1.7.x series:

The Simple Logging Facade for Java or (SLF4J) serves as a simple
facade or abstraction for various logging frameworks,
e.g. java.util.logging, log4j and logback, allowing the end user to
plug in the desired logging framework at deployment time.

The 1.7.x series adds varargs support in Logger methods.  Compared to
previous versions, 1.7.5 significantly improves logger retrieval
times. Users are highly encouraged to migrate to SLF4J 1.7.5 or
later.

Binary compatibility:

Mixing mixing different versions of slf4j-api.jar and SLF4J binding
can cause problems. For example, if you are using slf4j-api-1.7.1.jar,
then you should also use slf4j-simple-1.7.1.jar, using
slf4j-simple-1.5.5.jar will not work.

 From the client's perspective all versions of slf4j-api are
compatible. Client code compiled with slf4j-api-N.jar will run
perfectly fine with slf4j-api-M.jar for any N and M. You only need to
ensure that the version of your binding matches that of the
slf4j-api.jar. You do not have to worry about the version of
slf4j-api.jar used to compile a given dependency in your project. You
can always use *any* version of slf4j-api.jar, and as long as the
version of slf4j-api.jar and its binding match, you should be fine.

At initialization time, if SLF4J suspects that there may be an api
vs. binding version mismatch problem, it will emit a warning about the
suspected mismatch.

Version 1.7.x series takes compatibility one step further so that
slf4j-api and SLF4J bindings can be freely mixed with artifacts from
the 1.6.x or 1.7.x series.  In other words, when running under JDK 1.5
or later, version 1.7.x is totally 100% no-ifs-or-buts compatible with
the 1.6.x series.

Downloading SLF4J:

You can download SLF4J, including full source code, class files and
documentation on our download page:

      http://www.slf4j.org/download.html

Announcement mailing list:

You can receive SLF4J related announcements by subscribing to the
SLF4J announce mailing list. To subscribe to QOS.ch announce list,
please visit the following URL.

    http://www.qos.ch/mailman/listinfo/announce

You may also receive announcements via twitter:

    https://twitter.com/qos_ch

Enjoy,

--
Ceki Gülcü
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