[I] Log4J in desktop application (logging-log4j2)

["tmmlsBE (via GitHub)" <gi...@apache.org>]

tmmlsBE opened a new issue, #2466:
URL: https://github.com/apache/logging-log4j2/issues/2466

   I'm having an issue with Log4J. It doesn't output my messages in a compiled application (compiled using jPackage). It does work when run the jar file.
   
   The issue is described at 
   https://stackoverflow.com/questions/78275297/log4j-doesnt-write-to-file-in-native-os-x-application
   
   Is Log4J2 supported to be used in a compiled native application? 
   
   Thanks


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Re: [I] Log4J in desktop application (logging-log4j2)

["vy (via GitHub)" <gi...@apache.org>]

vy commented on issue #2466:
URL: https://github.com/apache/logging-log4j2/issues/2466#issuecomment-2054171871

   @tmmlsBE, Log4j doesn't support native image compilation out-of-the-box currently, see [LOG4J2-2649](https://issues.apache.org/jira/browse/LOG4J2-2649). You need to manually provide the necessary reachability metadata, which pretty much depends on your Log4j configuration. I guess running the application with `-Dlog4j2.debug` can give you sufficient information on what is missing.
   
   @ppkarwasz and I will be working on this ~Q4 this year. In the https://github.com/apache/logging-log4j2/discussions/2364 discussion, we are trying to collect some feedback; feel free to share your experiences/wishes.


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Re: [I] Log4J in desktop application (logging-log4j2)

["ppkarwasz (via GitHub)" <gi...@apache.org>]

ppkarwasz commented on issue #2466:
URL: https://github.com/apache/logging-log4j2/issues/2466#issuecomment-2054175670

   @vy,
   
   I never used `jpackage`, but as far as I understood it is just a thin wrapper that unpacks some JAR files and starts up the JVM. In this aspect it should more ressemble the [Equinox Launcher](apache/logging-log4j2/discussions/2364) than a 100% native application.
   
   That is quite different from GraalVM support discussed in #2364 and we need to check it out separately.


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