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https://issues.apache.org/jira/browse/LOG4J2-2360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeff Shaw updated LOG4J2-2360:
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Summary: Expose StackTraceElement to public API (was: Expose
SourceLocation to public API)
> Expose StackTraceElement to public API
> --------------------------------------
>
> Key: LOG4J2-2360
> URL: https://issues.apache.org/jira/browse/LOG4J2-2360
> Project: Log4j 2
> Issue Type: Improvement
> Reporter: Jeff Shaw
> Priority: Major
>
> I learned there are two features of log4j2 and its official Scala API that
> could work together to improve performance with some API changes.
> Log4j2's messages can include the source file name and line number.
> Scala macros can be used to provide compile time file names and line numbers
> to runtime for the cost of allocating a StackTraceElement. However, there is
> currently not a good way to combine the two.
> I created the changes we'd need to allow clients of log4j2 to manually
> provide SourceLocation for a log message, and then I used the new methods to
> create SourceLocation for Scala files at compile time. This will allow
> loggers to provide source location without having to create a stack trace.
>
> For log4j2 see
> [https://github.com/shawjef3/logging-log4j2/commit/4f75053cdfe39614fc60ecc609f3658cdd4840db]
> and for an example use by the scala loggers see
> [https://github.com/shawjef3/logging-log4j-scala/commit/dd9a5dd2d6bef80ef4f0334c2ed7043299ddbad4].
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