hi, | | thanks, for your answer. This was helpful, but there is this code in our JBOSS application 'log4j.xml' file which is difficult to understand. I am pasting the initial contents of the file off which I am not able to make out much. The contents are:- | | ------------------------------------------------------------------------------------------- | <?xml version="1.0" encoding="UTF-8"?> | <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd"> | | <!-- ===================================================================== --> | <!-- --> | <!-- Log4j Configuration --> | <!-- --> | <!-- ===================================================================== --> | | <!-- $Id: log4j.xml,v 1.13.2.13 2004/05/11 16:33:46 belaban Exp $ --> | | <!-- | | For more configuration infromation and examples see the Jakarta Log4j | | owebsite: http://jakarta.apache.org/log4j | --> | | | <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="FILEDATE" 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="25MB"/> | <param name="MaxBackupIndex" value="3"/> | | <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> | | <appender name="JSR77" class="org.apache.log4j.FileAppender"> | <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/> | <param name="Append" value="false"/> | <param name="File" value="${jboss.server.home.dir}/log/jsr77.log"/> | <layout class="org.apache.log4j.PatternLayout"> | <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="FILEDATE"/> | <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="[EMAIL PROTECTED]"/> | <param name="From" value="[EMAIL PROTECTED]"/> | <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> | --> | --------------------------------------------------------------------------------------------- | | Can, the lines of the code be explained. By the way, is there any way to upload a file on the | forum. | | I hope, my question is clear. | | Please, help in solving the doubt. regards
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