log4j.xml for app log.

[Jigar Naik]

This is my log4j.xml file at ...jboss/server/default/confi directory..

   
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
 
<!-- ===================================================================== -->
<!--                                                                       -->
<!--  Log4j Configuration                                                  -->
<!--                                                                       -->
<!-- ===================================================================== -->
 
<!-- $Id: log4j.xml,v 1.26.2.2 2005/03/02 14:52:20 tdiesler Exp $ -->
 
<!--
   | For more configuration infromation and examples see the Jakarta Log4j
   | owebsite: <a href="http://jakarta.apache.org/log4j" target="_blank" rel="nofollow">http://jakarta.apache.org/log4j</a>
 -->
 
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="false">
 
   <!-- ================================= -->
   <!-- Preserve messages in a local file -->
   <!-- ================================= -->
 
   <!-- A time/date based rolling appender -->
   <appender name="FILE" class="org.jboss.logging.appender.DailyRollingFileAppender">
      <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
      <param name="File" value="${jboss.server.home.dir}/log/server.log"/>
      <param name="Append" value="false"/>
 
      <!-- Rollover at midnight each day -->
      <param name="DatePattern" value="'.'yyyy-MM-dd"/>
 
      <!-- Rollover at the top of each hour
      <param name="DatePattern" value="'.'yyyy-MM-dd-HH"/>
      -->
 
      <layout class="org.apache.log4j.PatternLayout">
         <!-- The default pattern: Date Priority [Category] Message\n -->
         <param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
 
         <!-- The full pattern: Date MS Priority [Category] (Thread:NDC) Message\n
         <param name="ConversionPattern" value="%d %-5r %-5p [%c] (%t:%x) %m%n"/>
          -->
      </layout>
   </appender>
 
   <!-- A size based file rolling appender
   <appender name="FILE" class="org.jboss.logging.appender.RollingFileAppender">
     <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
     <param name="File" value="${jboss.server.home.dir}/log/server.log"/>
     <param name="Append" value="false"/>
     <param name="MaxFileSize" value="500KB"/>
     <param name="MaxBackupIndex" value="1"/>
 
     <layout class="org.apache.log4j.PatternLayout">
       <param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
     </layout>    
   </appender>
   -->
 
   <!-- ============================== -->
   <!-- Append messages to the console -->
   <!-- ============================== -->
 
   <appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">
      <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
      <param name="Target" value="System.out"/>
      <param name="Threshold" value="INFO"/>
 
      <layout class="org.apache.log4j.PatternLayout">
         <!-- The default pattern: Date Priority [Category] Message\n -->
         <param name="ConversionPattern" value="%d{ABSOLUTE} %-5p [%c{1}] %m%n"/>
      </layout>
   </appender>
 
   <!-- ====================== -->
   <!-- More Appender examples -->
   <!-- ====================== -->
 
   <!-- Buffer events and log them asynchronously
   <appender name="ASYNC" class="org.apache.log4j.AsyncAppender">
     <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
     <appender-ref ref="FILE"/>
     <appender-ref ref="CONSOLE"/>
     <appender-ref ref="SMTP"/>
   </appender>
   -->
 
   <!-- EMail events to an administrator
   <appender name="SMTP" class="org.apache.log4j.net.SMTPAppender">
     <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
     <param name="Threshold" value="ERROR"/>
     <param name="To" value="[e-mail]"/>
     <param name="From" value="[e-mail]"/>
     <param name="Subject" value="JBoss Sever Errors"/>
     <param name="SMTPHost" value="localhost"/>
     <param name="BufferSize" value="10"/>
     <layout class="org.apache.log4j.PatternLayout">
       <param name="ConversionPattern" value="[%d{ABSOLUTE},%c{1}] %m%n"/>
     </layout>
   </appender>
   -->
 
   <!-- Syslog events
   <appender name="SYSLOG" class="org.apache.log4j.net.SyslogAppender">
     <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
     <param name="Facility" value="LOCAL7"/>
     <param name="FacilityPrinting" value="true"/>
     <param name="SyslogHost" value="localhost"/>
   </appender>
   -->
 
   <!-- Log events to JMS (requires a topic to be created)
   <appender name="JMS" class="org.apache.log4j.net.JMSAppender">
     <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
     <param name="Threshold" value="ERROR"/>
     <param name="TopicConnectionFactoryBindingName" value="java:/ConnectionFactory"/>
     <param name="TopicBindingName" value="topic/MyErrorsTopic"/>
   </appender>
   -->
 
   <!-- Log events through SNMP
   <appender name="TRAP_LOG" class="org.apache.log4j.ext.SNMPTrapAppender">
     <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
     <param name="ImplementationClassName" value="org.apache.log4j.ext.JoeSNMPTrapSender"/>
     <param name="ManagementHost" value="127.0.0.1"/>
     <param name="ManagementHostTrapListenPort" value="162"/>
     <param name="EnterpriseOID" value="1.3.6.1.4.1.24.0"/>
     <param name="LocalIPAddress" value="127.0.0.1"/>
     <param name="LocalTrapSendPort" value="161"/>
     <param name="GenericTrapType" value="6"/>
     <param name="SpecificTrapType" value="12345678"/>
     <param name="CommunityString" value="public"/>
     <param name="ForwardStackTraceWithTrap" value="true"/>
     <param name="Threshold" value="DEBUG"/>
     <param name="ApplicationTrapOID" value="1.3.6.1.4.1.24.12.10.22.64"/>
     <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%d,%p,[%t],[%c],%m%n"/>
     </layout>
   </appender>
   -->
 
   <!-- ================ -->
   <!-- Limit categories -->
   <!-- ================ -->
 
   <!-- Limit the org.apache category to INFO as its DEBUG is verbose -->
   <category name="org.apache">
      <priority value="INFO"/>
   </category>
 
   <!-- Limit the org.jgroups category to WARN as its INFO is verbose -->
   <category name="org.jgroups">
      <priority value="WARN"/>
   </category>
 
   <!-- Limit apache axis to INFO as its DEBUG is even more verbose -->
   <category name="org.jboss.axis">
      <priority value="INFO"/>
   </category>
 
   <!-- Limit JBoss categories
   <category name="org.jboss">
      <priority value="INFO"/>
   </category>
   -->
 
   <!-- Limit the JSR77 categories -->
   <category name="org.jboss.management">
      <priority value="INFO"/>
   </category>
 
   <!-- Limit JBoss webservice category
   <category name="org.jboss.webservice">
      <priority value="DEBUG"/>
   </category>
   -->
 
   <!-- Decrease the priority threshold for the org.jboss.varia category
   <category name="org.jboss.varia">
     <priority value="DEBUG"/>
   </category>
   -->
 
   <!-- Show the evolution of the DataSource pool in the logs [inUse/Available/Max]
   <category name="org.jboss.resource.connectionmanager.JBossManagedConnectionPool">
     <priority value="TRACE" class="org.jboss.logging.XLevel"/>
   </category>
   -->
 
   <!--
      | An example of enabling the custom TRACE level priority that is used
      | by the JBoss internals to diagnose low level details. This example
      | turns on TRACE level msgs for the org.jboss.ejb.plugins package and its
      | subpackages. This will produce A LOT of logging output.
   <category name="org.jboss.system">
     <priority value="TRACE" class="org.jboss.logging.XLevel"/>
   </category>
   <category name="org.jboss.ejb.plugins">
     <priority value="TRACE" class="org.jboss.logging.XLevel"/>
   </category>
   -->
  
   <!--
       | Logs these events to SNMP:
           - server starts/stops
           - cluster evolution (node death/startup)
           - When an EJB archive is deployed (and associated verified messages)
           - When an EAR archive is deployed
       
   <category name="org.jboss.system.server.Server">
     <priority value="INFO" />
     <appender-ref ref="TRAP_LOG"/>
   </category>
  
   <category name="org.jboss.ha.framework.interfaces.HAPartition.lifecycle">
     <priority value="INFO" />
     <appender-ref ref="TRAP_LOG"/>
   </category>
 
   <category name="org.jboss.deployment.MainDeployer">
     <priority value="ERROR" />
     <appender-ref ref="TRAP_LOG"/>
   </category>
   
   <category name="org.jboss.ejb.EJBDeployer">
     <priority value="INFO" />
     <appender-ref ref="TRAP_LOG"/>
   </category>
   
   <category name="org.jboss.deployment.EARDeployer">
     <priority value="INFO" />
     <appender-ref ref="TRAP_LOG"/>
   </category>
   
  
   -->
 

   <!-- ======================= -->
   <!-- Setup the Root category -->
   <!-- ======================= -->
 
   <root>
      <appender-ref ref="CONSOLE"/>
      <appender-ref ref="FILE"/>
   </root>
 
   <!-- Clustering logging -->
   <!-- Uncomment the following to redirect the org.jgroups and
      org.jboss.ha categories to a cluster.log file.
 
   <appender name="CLUSTER" class="org.jboss.logging.appender.RollingFileAppender">
     <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
     <param name="File" value="${jboss.server.home.dir}/log/cluster.log"/>
     <param name="Append" value="false"/>
     <param name="MaxFileSize" value="500KB"/>
     <param name="MaxBackupIndex" value="1"/>
 
     <layout class="org.apache.log4j.PatternLayout">
       <param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
     </layout>
   </appender>
   <category name="org.jgroups">
     <priority value="DEBUG" />
     <appender-ref ref="CLUSTER"/>
   </category>
   <category name="org.jboss.ha">
     <priority value="DEBUG" />
     <appender-ref ref="CLUSTER"/>
   </category>
   -->
 
</log4j:configuration>
 

What and where should i make changes to create application specific log.

The name of my application's war file is Tools.war

[Rahul Bhattacharjee]

Already answered in the post below:
https://coderanch.com/t/363902/Servlets/java/Logging

In case you are using xml configuration file then use DOMConfigurator instead of PropertyConfigurator.