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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (LOG4J2-1346) Exception from Log4jServletContextListener prevents jetty-maven-plugin run-forked.
Date Fri, 01 Apr 2016 02:21:25 GMT

     [ https://issues.apache.org/jira/browse/LOG4J2-1346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Gregory closed LOG4J2-1346.
--------------------------------
    Resolution: Fixed

Closing after title update.

> Exception from Log4jServletContextListener prevents jetty-maven-plugin run-forked.
> ----------------------------------------------------------------------------------
>
>                 Key: LOG4J2-1346
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1346
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Web/Servlet
>    Affects Versions: 2.5
>            Reporter: Simon Xianyu
>            Priority: Minor
>             Fix For: 2.6
>
>
> I tried to integrate jacoco in my maven web project.
> However it always failed with the following logs:
> [WARNING] FAILED o.e.j.m.p.JettyWebAppContext@1d831c2{/,file:/D:/works/paypos2/jacoco-spring/src/main/webapp/,UNAVAILABLE}{file:/D:/works/paypos2/jacoco-spring/src/main/webapp/}:
java.lang.IllegalStateException: C
> ontext destroyed before it was initialized.
> java.lang.IllegalStateException: Context destroyed before it was initialized.
>         at org.apache.logging.log4j.web.Log4jServletContextListener.contextDestroyed(Log4jServletContextListener.java:55)
> I read the code and found Exception throw in org.apache.logging.log4j.web.Log4jServletContextListener.contextDestroyed:
> if (this.servletContext == null || this.initializer == null) {
>             throw new IllegalStateException("Context destroyed before it was initialized.");
>         }
> This runtime exception fails jetty-maven-plugin web application configuration validation.
> So I have to write my own Listener to work around: (Log4jWebLifeCycle is not public,
so I have to use public interface to operate.)
> public void contextDestroyed(final ServletContextEvent event) {
> //    if (this.servletContext == null || this.initializer == null) {
> //      throw new IllegalStateException("Context destroyed before it was initialized.");
> //    }
> //    LOGGER.debug("Log4jServletContextListener ensuring that Log4j shuts down properly.");
>     if (this.initializer != null) {
>       if (this.initializer instanceof Log4jWebSupport) {
>         ((Log4jWebSupport)this.initializer).clearLoggerContext(); // the application
is finished shutting down now
>       }
>       this.initializer.stop();
>     }
>   }
> I think using a warning log is better than throw an exception in contextDestroyed, because
this is shutting down stage.



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