java - How to load log4j2 configuration file from JNDI -


i migrating web applications log4j 1.12 log4j2. due company policies our log4j.xml file locations configured urls in application server , applications have them jndi. implemented servletcontextlistener allowed initialize log4j infraestructure way:

public void contextinitialized(servletcontextevent servletcontextevent) {     ...     urllogconfig = (url) context.lookup("java:comp/env/"+loglocation);     ...     //urllogconfig -> file:///somepath/log4j.xml     domconfigurator.configureandwatch(urllogconfig.getpath()); } public void contextdestroyed(servletcontextevent servletcontextevent) {     servletcontext servletcontext = servletcontextevent.getservletcontext();     servletcontext.log("log4jconfigurationlistener - shutting down log4j");     logmanager.shutdown(); }

however, log4j2 api changes can no longer used. log4j2 provides lo4j2-web.jar module uses log4jservletcontainerinitializer initialize library. ends calling log4jwebinitializerimpl.getconfiguri(), responsible of getting uri of config file.

is there way customize log4jwebinitializerimpl's behaviour make resolve xml file jndi name?

how like:

... import org.apache.logging.log4j.core.config.configurator; ...      private loggercontext loggercontext;      public void contextinitialized(servletcontextevent servletcontextevent) {        ...        urllogconfig = (url) context.lookup("java:comp/env/"+loglocation);        ...        //urllogconfig -> file:///somepath/log4j.xml        servletcontext servletcontext = servletcontextevent.getservletcontext();        string contextname = servletcontext.getservletcontextname();        classloader classloader = this.getclass().getclassloader();        loggercontext = configurator.initialize(contextname, classloader, urllogconfig.touri());     }      public void contextdestroyed(servletcontextevent servletcontextevent) {         servletcontext servletcontext = servletcontextevent.getservletcontext();         servletcontext.log("log4jconfigurationlistener - shutting down log4j");         if (loggercontext != null)               configurator.shutdown(loggercontext);     }

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