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https://issues.apache.org/jira/browse/LOG4J2-1686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15662805#comment-15662805
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Ralph Goers edited comment on LOG4J2-1686 at 11/14/16 5:24 AM:
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Yes, we have to make an AppenderSelector (which we already did). I'm not sure
how a LoggerSelector makes a lot of sense - you want to use a Script at runtime
to figure out which LoggerConfig element you want the log event to be processed
by rather than using the normal way of selecting the Logger? That would require
a lot more work than you might realize and would cause havoc with checking if
the logging level is enabled or not.
Rather than looking for something general can you state what the problem is
that you are having that you need to have solved?
I'm also not sure what it means to have a "keyScript" attribute on the
Appenders. The Appenders would be create with a script attached to them that
does what exactly? The difference here is that with the AppenderSelector the
script decides which Appender should be instantiated and then only that one is
created, so no sockets or files are opened for the ones that are not selected.
was (Author: ralph.go...@dslextreme.com):
Yes, we have to make an AppenderSelector (which we already did). I'm not sure
how a LoggerSelector makes a lot of sense - you want to use a Script at runtime
to figure out which LoggerConfig element you want the log event to be processed
by rather than using the normal way of selecting the Logger? That would require
a lot more work than you might realize and would cause havoc with checking if
the logging level is enabled or not.
Rather than looking for something general can you state what the problem is
that you are having that you need to have solved?
> Support conditional configuration
> ---------------------------------
>
> Key: LOG4J2-1686
> URL: https://issues.apache.org/jira/browse/LOG4J2-1686
> Project: Log4j 2
> Issue Type: New Feature
> Components: Configurators
> Affects Versions: 2.7
> Reporter: Raman Gupta
> Priority: Blocker
>
> It would be great to support conditional configuration like logback:
> http://logback.qos.ch/manual/configuration.html#conditional
> This allows for more advanced configuration than is currently possible with
> property substitution.
> Example use case: to implement
> https://issues.apache.org/jira/browse/LOG4J2-1685 without log4j library
> support.
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