Howdy, >I am pretty sure that Tomcat and Jboss will run independantly in separate >VM >instances, and hence definately separate class loaders. This implies there >will be two indepedant instances of Log4j running, and they will need to >log >to separate files.
I'm not sure at all -- can you convince me? ;) Yoav Shapira > >-----Original Message----- >From: Tom Eugelink [mailto:[EMAIL PROTECTED] >Sent: 17 October 2003 06:32 >To: Log4J Users List >Subject: Re: App-server independent log4j logging > > >JBoss uses Tomcat underneath and I'm confused about the output of log4j >in Tomcat also (one of my previous emails three days ago where noone >responded on). > >What is very useful is setting the log4j debugging on >(-Dlog4j.debug=on). And if you search for "using" you might find that >log4j is using multiple configuration files. Currently I'm trying to >figure out if that is the case with my problem. > >Tom > > >Jacob Kjome wrote: >> >> Try reading this and see if it helps out: >> >http://nagoya.apache.org/wiki/apachewiki.cgi?Log4JProjectPages/AppConta iner >L >ogging >> >> >> I'm not sure exactly the problem under JBoss, but they do seem to have >> the concept of a single classloader, which seems to cause grief for >> people who want to deploy their preferred versions of various libraries >> in WEB-INF/lib only to be overridden by the same library in JBoss >> itself. Is there someone out there that can explain why JBoss' behavior >> is a good thing???? >> >> Jake >> >> At 03:42 PM 10/16/2003 -0400, you wrote: >> >>> I neglected to say that, if I move my logger and appender definitions >>> into >>> JBoss's log4j.xml, I DO get the expected files. My question is: how can >I >>> ADD new loggers and appenders from a separate config file to the >>> hierarchy >>> that JBoss has already established? >>> >>> >>> -----Original Message----- >>> From: Doubleday, Dennis [mailto:[EMAIL PROTECTED] >>> Sent: Thursday, October 16, 2003 3:11 PM >>> To: '[EMAIL PROTECTED]' >>> Subject: App-server independent log4j logging >>> >>> >>> My application needs to be deployable to both JBoss and Websphere (and >>> possibly Weblogic in future). I am trying to use log4j in my app, but >not >>> having any success, even only with JBoss. >>> >>> Here's the deal--I want to include my own log4j.jar and log4j.xml in >>> my WAR >>> file. If the app server is using log4j itself, as JBoss does, my >>> log4j.xml >>> should only extend the configuration set up by JBoss. I don't want to >>> add my >>> Appenders to the JBoss log4j.xml, I want them in my WAR so it doesn't >>> depend >>> on the JBoss environment. >>> >>> Here is a snippet of what I am doing in my init servlet: >>> >>> String prefix = getServletContext().getRealPath("/"); >>> String filePath = prefix + fileName; >>> >>> System.out.println >>> ("Log4JConfigServlet - initializing log4j using file: " + >>> filePath); >>> >>> try { >>> if (fileName.indexOf("xml") != -1) { >>> DOMConfigurator.configure(filePath); >>> } else { >>> PropertyConfigurator.configure(filePath); >>> } >>> >>> Logger log = Logger.getLogger(Log4JConfigServlet.class); >>> if (log.isInfoEnabled()) { >>> log.info("Log4j initilized."); >>> } >>> >>> } catch (Exception e) { >>> >>> I see both the println and the initial INFO log message in the JBoss >>> console >>> log, but the two FILE appenders don't seem to be getting created--I see >>> debug output from the initial JBoss configuration but there is no debug >>> output when my config file is processed. (The full file is at the end >>> of the >>> message). >>> >>> This approach worked in JBoss 3.0.6 but it mysteriously stopped when I >>> upgraded to JBoss 3.2.1. >>> >>> Here's my log4j.xml: >>> >>> <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"; >>> debug="true"> >>> >>> <!-- ================================= --> >>> <!-- Preserve messages in a local file --> >>> <!-- ================================= --> >>> >>> <!-- A size based file rolling appender --> >>> <appender name="FALCONFILE" >>> class="org.apache.log4j.RollingFileAppender"> >>> <param name="File" value="Falcon.log"/> >>> <param name="Append" value="false"/> >>> <param name="MaxFileSize" value="500KB"/> >>> <param name="MaxBackupIndex" value="20"/> >>> >>> <layout class="org.apache.log4j.PatternLayout"> >>> <param name="ConversionPattern" value="%d %-5p [%c{1}.%M] %m%n"/> >>> </layout> >>> </appender> >>> >>> <appender name="FALCONHTML" >>> class="org.apache.log4j.RollingFileAppender"> >>> <param name="File" value="Falcon.html"/> >>> <param name="Append" value="false"/> >>> <param name="MaxFileSize" value="500KB"/> >>> <param name="MaxBackupIndex" value="20"/> >>> <param name="threshold" value="info"/> >>> >>> <layout class="org.apache.log4j.HTMLLayout"/> >>> >>> </appender> >>> >>> <appender name="FALCONCONSOLE" >>> class="org.apache.log4j.ConsoleAppender"> >>> <param name="Target" value="System.out"/> >>> >>> <layout class="org.apache.log4j.PatternLayout"> >>> <!-- The default pattern: Date Priority [Category] Message\n --> >>> <param name="ConversionPattern" value="%-5p [%c{1}] %m%n"/> >>> </layout> >>> </appender> >>> >>> <!-- Falcon base logger --> >>> <logger name="com.vocollect"> >>> <level value="debug" /> >>> <appender-ref ref="FALCONFILE" /> >>> <appender-ref ref="FALCONHTML" /> >>> </logger> >>> >>> </log4j:configuration> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. 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