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https://jira.qos.ch/browse/SLF4J-192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=19383#comment-19383
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Andrea Santi commented on SLF4J-192:
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8 years? Really? After 8 years we are still debating about this?
There are some resources that need to be cleaned when the application close.
There are some appenders that need to shutdown resources gracefully when an
application is closed. E.g. the logfaces appender creates background threads to
send logs to an external log monitoring system and without a proper shutdown
hook in SLF4J api they are destined to stay there in background and create a
huge leak.
Since I'm using log4j 2 as the underlying logging library today I'm forced to
do the following
*LogManager.shutdown();*
But this is so wrong! It entirely blows up the idea of the *FACADE*. If we need
to directly call a method of the *REAL* implementation of the logging library
then this is not a FACADE anymore.
I totally agree with Alexander and Sean. " *If I am building a code dependency
on the underlying logger, why even use SLF4J?*
What can be done to make things progress? Open another ticket (version 1.6 is
no longer "actual")?
Any feedback woudl be really appreciated.
> Need ability to shutdown loggers and flush appenders
> ----------------------------------------------------
>
> Key: SLF4J-192
> URL: https://jira.qos.ch/browse/SLF4J-192
> Project: SLF4J
> Issue Type: Improvement
> Components: Core API
> Affects Versions: 1.6.x
> Environment: Operating System: All
> Platform: All
> Reporter: Michael Schall
> Assignee: SLF4J developers list
>
> There needs to be a way to shutdown logging and flush async appenders so when
> a process is closing, all log events are written before the process is closed.
> Should ILoggerFactory have a shutdown or stop method? It could shutdown
> whatever logging back end I'm using?
> For log4j it would call -
> org.apache.log4j.LogManager.getLoggerRepository().shutdown();
> For logback it would call - loggerContext.stop()
> Other back ends - ???
> This is required to allow me to not reference logging back ends explicitly in
> my code to shutdown successfully without losing events.
> Discussion about this is happening on the user list at -
> http://www.qos.ch/pipermail/logback-user/2010-September/001816.html
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