[logback-user] where is ${webapp.root}

Simon Wong simonwg at gmail.com
Fri Nov 27 08:58:20 UTC 2015


   logback-ext-spring is what you need.

   I am using Spring MVC JavaConfig

public class MvcWebApplicationInitializer extends
AbstractAnnotationConfigDispatcherServletInitializer {

   // other Spring JavaConfig

    public void onStartup(ServletContext servletContext) throws
ServletException {
        servletContext.setInitParameter("webAppRootKey", "*my.app.root*");


In logback.xml

<?xml version="1.0" encoding="UTF-8" ?>
<configuration scan="true" scanPeriod="3 seconds">
    <property resource="logback.properties" />

    <variable name="FILE_NAME_PREFIX" value="myLogPrefix" />
    <variable name="APPLICATION_ROOT" value="*${my.app.root}*" />
    <variable name="LOG_PATTERN" value="%d{HH:mm:ss.SSS} [%thread] %-5level
%logger{32} - %msg%n" />
    <variable name="LOG_MAX_HISTORY" value="${logs.max.history.in.days}" />
    <variable name="LOG_OUTPUT_FORMAT" value="${logs.output.format}" />

    <!-- Other logback appender config here.... -->

On Fri, Nov 27, 2015 at 2:57 PM, Miloslava Teneva <miloslava at gmail.com>

> Hi All,
> we switched to logback from log4j.And everything was fine until we notice
> that parameter ${webapp.root} that we used with log4j, now is not
> recognize.We really need this because our logs are under our webapp dir.We
> use tomcat and we want our logs not to be in tomcat/bin directory.We even
> try logback-ext-spring.jar but without success.We really need your help and
> ideas.We don`t want to put relative paths.We want webapp.root to be taken
> dynamically.
> Thanks for your help.
> Have a nice day,
> Miloslava
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> logback-user at qos.ch
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