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https://issues.apache.org/jira/browse/LOG4J2-747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14095360#comment-14095360
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A B commented on LOG4J2-747:
----------------------------
I have good news!
I first tried using the ${sys:variable} as Remko suggested. That worked. So I
started thinking for reasons why env: wouldn't work and I finally got
${env:variable} to work as wel..
What had happend was that after creating the variable, I knew I had to restart
the process ( not necessarily re-boot the machine in Windows 7 ). So, I was
doing a "restart" on my workspace. After a few attempts, I tried to display the
environment variables. My variable did not show up. So, I exited the
workspace and opened it again. This time my variable also showed up and the
${env:variable} for my log4j also worked.
I guess, there is a difference in "restart" workspace from Eclipse vs. close
and open it.
Thanks again
> Servlet Example of using different log4j2-{env:envValue}.xml
> ------------------------------------------------------------
>
> Key: LOG4J2-747
> URL: https://issues.apache.org/jira/browse/LOG4J2-747
> Project: Log4j 2
> Issue Type: Bug
> Components: Configurators
> Affects Versions: 2.0-beta9
> Environment: Websphere 8.5 Windows 7
> Reporter: A B
> Attachments: LOG4J2-747_Jira.war, LOG4J2747_Jira_Sample3.ear, log4j2
> location.jpg, log4j2-webapp-error.txt
>
>
> Based on my previous post / question on the log4j2 user list - Defining
> different log4j2.xml configurations based on environment -
> http://apache-logging.6191.n7.nabble.com/Defining-different-log4j2-xml-configurations-based-on-environment-tp40639p40662.html
> - I was attempting to create a Servlet Example of using different
> log4j2-\{env:envValue\}.xml.
> Based on the answers in this thread "Defining different log4j2.xml
> configurations based on environment", from log4j user list I tried to test
> using a different config for different environments. This is what I have done.
> * I defined a Windows env variable {{websphere_environment}} and set its
> value to "local"
> * I specify the config location as log4j2-\{env:envValue\}.xml. My web.xml
> context-param looks like below - servlet version is 3.0.
> {code}
> <context-param>
> <param-name>log4jConfigLocation</param-name>
> <param-value>/WEB-INF/config/log4j2-${env:websphere_environment}.xml
> </param-value>
> </context-param>
> {code}
> My relevant servlet method looks like below
> {code}
> protected void doGet(HttpServletRequest request, HttpServletResponse
> response) throws
> ServletException, IOException {
> Logger logger = Logger.getLogger(ServletLog4j2Test.class.getName());
> logger.fatal("Loaded:);
> // " + /WEB-INF/config/log4j2-${env:websphere_environment}.xml
> }
> {code}
> I do not have the lo4j2-local.xml defined in the WEB-INF/config ( it is
> defined as log4j-local.xml, not log4j2-local.xml and was expecting to get an
> error but it seems that the servlet is using a default configuration, because
> when I run the servlet, I get
> {code}
> "07/24/14 07:14:07:564:FATAL:WebContainer : 0: :
> :com.test.log4j2.ServletLog4j2Test: Loaded:"
> {code}
> How should my web-app and config files be set-up so that I can use different
> configs for different environments based on the environment?
>
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