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The following log4j.xml configuration file is used in production at Virginia Tech for CAS 3.4.4.

Code Block
XMLXML
titleExample CAS 3.4.x log4j Configuration
XML
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<log4j:configuration debug="false" xmlns:log4j="http://jakarta.apache.org/log4j/">
 
  <!-- CAS application log -->
  <appender name="cas" class="org.apache.log4j.DailyRollingFileAppender">
    <param name="File" value="/apps/local/cas/logs/cas.log" />
    <param name="Append" value="true" />
    <param name="DatePattern" value="'.'yyyy-MM-dd" />
    <layout class="org.apache.log4j.PatternLayout">
      <param name="ConversionPattern" value="%d %p [%c] - %m%n"/>
    </layout>
  </appender>

  <!-- For JPA diagnostics -->
  <appender name="jpa" class="org.apache.log4j.DailyRollingFileAppender">
    <param name="File" value="/apps/local/cas/logs/jpa.log" />
    <param name="Append" value="true" />
    <param name="DatePattern" value="'.'yyyy-MM-dd" />
    <layout class="org.apache.log4j.EnhancedPatternLayout">
      <param name="ConversionPattern" value="%d %p [%c] - %m%n%throwable{10}"/>
    </layout>
  </appender>

  <!-- Perf4J appenders -->
  <appender name="perf4j" class="org.apache.log4j.DailyRollingFileAppender">
    <param name="File" value="/apps/local/cas/logs/perf4j.log"/>
    <param name="Append" value="true" />
    <param name="DatePattern" value="'.'yyyy-MM-dd" />
    <layout class="org.apache.log4j.PatternLayout">
      <param name="ConversionPattern" value="%m%n"/>
    </layout>
  </appender>

  <!--
     This AsyncCoalescingStatisticsAppender groups StopWatch log messages
     into GroupedTimingStatistics messages which it sends on the
     file appender defined below
  -->
  <appender name="coalesce" class="org.perf4j.log4j.AsyncCoalescingStatisticsAppender">
    <param name="TimeSlice" value="300000"/>
    <appender-ref ref="perf4j"/>
    <appender-ref ref="perf4jGraphMean"/>
    <appender-ref ref="perf4jGraphTPS"/>
  </appender>

  <appender name="perf4jGraphMean" class="org.perf4j.log4j.GraphingStatisticsAppender">
    <!-- Possible GraphTypes are Mean, Min, Max, StdDev, Count and TPS -->
    <param name="GraphType" value="Mean"/>
    <!-- The tags of the timed execution blocks to graph are specified here -->
    <param name="TagNamesToGraph" value="DESTROY_TICKET_GRANTING_TICKET,GRANT_SERVICE_TICKET,GRANT_PROXY_GRANTING_TICKET,VALIDATE_SERVICE_TICKET,CREATE_TICKET_GRANTING_TICKET" />
  </appender>

  <appender name="perf4jGraphTPS" class="org.perf4j.log4j.GraphingStatisticsAppender">
    <param name="GraphType" value="TPS" />
    <param name="TagNamesToGraph" value="DESTROY_TICKET_GRANTING_TICKET,GRANT_SERVICE_TICKET,GRANT_PROXY_GRANTING_TICKET,VALIDATE_SERVICE_TICKET,CREATE_TICKET_GRANTING_TICKET" />
  </appender>

  <!-- Loggers -->
  <!--
    The Perf4J logger. Note that org.perf4j.TimingLogger is the value of the
    org.perf4j.StopWatch.DEFAULT_LOGGER_NAME constant. Also, note that
    additivity is set to false, which is usually what is desired - this means
    that timing statements will only be sent to this logger and NOT to
    upstream loggers.
  -->
  <logger name="org.perf4j.TimingLogger" additivity="false">
    <level value="INFO"/>
    <appender-ref ref="coalesce"/>
  </logger>

  <!--
    WARNING: Setting the org.springframework logger to DEBUG displays debug information about
    the request parameter values being bound to the command objects.  This could expose your
    password in the log file.  If you are sharing your log files, it is recommend you selectively
    apply DEBUG level logging on a an org.springframework.* package level (i.e. org.springframework.dao)
  -->
  <logger name="org.springframework">
    <level value="INFO" />
  </logger>

  <logger name="org.springframework.webflow">
    <level value="INFO" />
  </logger>

  <logger name="org.jasig.cas">
    <level value="INFO" />
  </logger>

  <logger name="org.jasig.cas.ticket.registry">
    <level value="INFO" />
  </logger>

  <logger name="org.jasig.cas.authentication">
    <level value="INFO" />
  </logger>

  <logger name="org.jasig.cas.util.HttpClient">
    <level value="INFO" />
  </logger>

  <logger name="org.jasig.cas.web.support">
    <level value="INFO" />
  </logger>

  <logger name="org.jasig.cas.web.ServiceValidateController">
    <level value="INFO" />
  </logger>

  <!-- Troubleshoot JPA ticket registry problems at TRACE -->
  <logger name="org.jasig.cas.ticket.registry.JpaTicketRegistry"
    additivity="false">
    <level value="INFO" />
    <appender-ref ref="jpa"/>
  </logger>

  <!--
    WARNING: Setting the flow package to DEBUG will display
    the parameters posted to the login servlet including
    cleartext authentication credentials
  -->
  <logger name="org.jasig.cas.web.flow">
    <level value="INFO" />
  </logger>

  <logger name="edu.vt.middleware.cas">
    <level value="INFO" />
  </logger>

  <logger name="edu.vt.middleware.cas.authentication.principal">
    <level value="INFO" />
  </logger>

  <logger name="org.jasig.services.persondir">
    <level value="DEBUG" />
  </logger>

  <!-- Troubleshoot database connection pooling problems in TRACE -->
  <logger name="com.mchange.v2">
    <level value="WARN" />
  </logger>

  <!-- Troubleshoot LDAP connection pool problems in DEBUG -->
  <logger name="org.springframework.ldap.pool">
    <level value="INFO" />
  </logger>

  <!--
    The root logger sends all log statements EXCEPT those sent to the perf4j
    logger to System.out.
  -->
  <root>
    <level value="ERROR"/>
    <appender-ref ref="cas"/>
  </root>
</log4j:configuration>