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Editorial Team
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Asked: 2026-05-13T06:18:21+00:00

I’m packaging up a rails app with warbler and I want app specific logging.

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I’m packaging up a rails app with warbler and I want app specific logging. I’ve added the log4j and commons-loggin jar to the WEB-INF/lib directory, and I want to add log4j.properties to the WEB-INF/classes directory. The problem is, I also want environment specific logging, so my staging/production use different properties (ie. INFO instead of DEBUG) than my devel. I can’t just do a:

config.java_classes = FileList["lib/log4j-#{RAILS_ENV}.properties"]

because Tomcat seems to look for the specific file log4j.properties. Is there any way to get warbler to rename this file to just log4j.properties? Or is there a better mechanism for app specific, environment specific logging?

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1 Answer

  1. Editorial Team

    And for the final answer. RAILS_ENV doesn’t seem to work in warbler, but looking through the docs on warble config, there’s a webxml attribute that contains rails.env, modifying my code to pull the file like:

    config.java_classes = FileList["lib/properties/log4j.properties.#{config.webxml.rails.env}"]

    Worked like a charm!

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