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Date: Mon, 21 Nov 2016 15:02:59 +0000 (UTC)
From: "Pastrie (JIRA)" <jira@apache.org>
To: log4j-dev@logging.apache.org
Message-ID: <JIRA.13022208.1479740576000.328632.1479740579542@Atlassian.JIRA>
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Subject: [jira] [Created] (LOG4J2-1721) Composite configuration using
 log4jConfiguration context parameter
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archived-at: Mon, 21 Nov 2016 15:03:01 -0000

Pastrie created LOG4J2-1721:
-------------------------------

             Summary: Composite configuration using log4jConfiguration context parameter
                 Key: LOG4J2-1721
                 URL: https://issues.apache.org/jira/browse/LOG4J2-1721
             Project: Log4j 2
          Issue Type: Improvement
          Components: Configurators, Web/Servlet
    Affects Versions: 2.7
            Reporter: Pastrie


Log4j allows multiple configuration files to be used by specifying them as a list of comma separated file paths on log4j.configurationFile property. This feature is not available in web environment since the  log4jConfiguration context parameter accepts a Path/File/URI.

My proposal is to apply some small changes in the Log4jWebInitializerImpl class

- change method getConfigURI to return List<URI> instead of URI.

if (configLocation != null) {
	if (configLocation.contains(",")) {
		final String[] parts = configLocation.split(",");
		final List<URI> uris = new ArrayList<>(parts.length);
		for (final String part : parts) {
			final URL url = servletContext.getResource(part);
			if (url != null) {
				final URI uri = url.toURI();
				LOGGER.debug("getConfigURI found resource [{}] in servletContext at [{}]", uri, configLocation);
				uris.add(url);
			}
		}
	}


- change method initializeNonJndi 

         [...]
        final List<URI> listUri = getConfigURI(location);
        this.loggerContext = Configurator.initialize(this.name, this.getClassLoader(), listUri, this.servletContext);
    }





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