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Editorial Team
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Asked: 2026-06-15T12:07:36+00:00

I would like to override log4j configuration at runtime with DOMConfigurator.configureAndWatch() function. It’s work

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I would like to override log4j configuration at runtime with DOMConfigurator.configureAndWatch() function. It’s work when the string name of file parameter is hard-coded. For example : DOMConfigurator.configureAndWatch("C:/some/path/log4j.xml");

But my log4j.xml is in EAR file (in a JAR in the lib directory) and how can I access it at runtime ?

I tested DOMConfigurator.configureAndWatch("log4j.xml"); but it seems that Glassfish is trying to search file from ${GLASSFISH_HOME}/glassfish/domains/domain1/config where is located my old log4j.xml file to override…so actually my code load, reset and reload configuration from the same file…

I’m just looking for a way to load my log4j.xml inside my EAR

Thanks for ideas

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1 Answer

  1. Editorial Team

    Invoke getClass().getResourceAsStream("/log4j.xml") on a class in your JAR/EAR to read the log4j.xml file located at the root of the JAR/EAR. Then, pass the resulting InputStream to DOMConfigurator.doConfigure(InputStream, LoggerRepository)

    Alternatively, you can invoke DOMConfigurator.configure(getClass().getResource("/log4j.xml")), where getClass() returns a Class object in your JAR/EAR.

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