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https://issues.apache.org/jira/browse/LOG4J2-3243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ralph Goers resolved LOG4J2-3243.
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Resolution: Cannot Reproduce
Marking as resolved since I am unable to reproduce the reported problem.
> Property log4j.configurationFile incorrectly documented, log4j.configuration
> missing
> ------------------------------------------------------------------------------------
>
> Key: LOG4J2-3243
> URL: https://issues.apache.org/jira/browse/LOG4J2-3243
> Project: Log4j 2
> Issue Type: Documentation
> Components: Configuration
> Affects Versions: 2.16.0
> Reporter: Sascha Volkenandt
> Priority: Minor
>
> According to [1], Log4j looks for the system property
> log4j2.configurationFile. According to the sources of log4j-core-2.16.0
> (ConfigurationFactory.java), the searched property is
> log4j.configurationFile. The other property does not seem to have any effect
> in recent versions.
> [1] [https://logging.apache.org/log4j/2.x/manual/configuration.html]
> Additionally, since 2.14.0 it looks for the property log4j.configuration (no
> "File"), which was also the property used by Log4j 1.x. As a consequence,
> logging stopped working in some of our systems after upgrading to 2.16.0 due
> to Log4Shell. Those systems are using both 1.x and 2.x so they have the
> property log4j.configuration set but not log4j.configurationFile, because we
> relied on the previous behaviour that if log4j.configurationFile is not set
> it looks in the classpath. I had to use a debugger to find out why it stopped
> working.
> It would be nice if that second property would also be mentioned in [1].
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