my file is below and i want to stop sysout from server logs:

jboss-log4j.xml file

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<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.log.dir}/server.log"/>

      <param name="Append" value="true"/>

<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] (Thread) Message\n -->

         <param name="ConversionPattern" value="%d %-5p [%c] (%t) %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>

   <category name="org.apache">

      <priority value="INFO"/>

   </category>

  <!-- Limit the jacorb category to WARN as its INFO is verbose -->

   <category name="jacorb">

      <priority value="WARN"/>

   </category>

   <!-- Set the logging level of the JSF implementation that uses

      | java.util.logging. The jdk logging levels can be controlled

      | through the org.jboss.logging.log4j.JDKLevel class that

      | in addition to the standard log4j levels it adds support for

      | SEVERE, WARNING, CONFIG, FINE, FINER, FINEST

   -->

   <category name="javax.enterprise.resource.webcontainer.jsf">

     <priority value="INFO" class="org.jboss.logging.log4j.JDKLevel"/><!--MODIFIED-->

   </category>

   <!-- Limit the org.jgroups category to WARN as its INFO is verbose -->

   <category name="org.jgroups">

      <priority value="WARN"/>

   </category>

<!-- change two -->

<category name="org.hibernate">

     <priority value="ERROR"/>

   </category>

   <!-- Limit the org.quartz category to INFO as its DEBUG is verbose -->

   <category name="org.quartz">

      <priority value="INFO"/>

   </category>

<category name="com.sun">

      <priority value="INFO"/>

   </category>

<!--<category name="com.emitra">

      <priority value="ERROR"/>

         </category>-->

   <!-- Limit the sun category to INFO as its FINE is verbose -->

   <category name="sun">

      <priority value="INFO"/>

   </category>

   <!-- Limit the javax.xml.bind category to INFO as its FINE is verbose -->

   <category name="javax.xml.bind">

      <priority value="INFO"/>

   </category>

   <!-- Limit the springframework category to WARN-->

   <category name="org.springframework">

     <priority value="WARN"/>

   </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 the verbose facelets compiler -->

   <category name="facelets.compiler">

      <priority value="WARN"/>

   </category>

   <!-- Limit the verbose ajax4jsf cache initialization -->

   <category name="org.ajax4jsf.cache">

      <priority value="WARN"/>

   </category>

   <!-- Limit the verbose embedded jopr categories -->

   <category name="org.rhq">

      <priority value="WARN"/>

   </category>

<category name="org.jboss.seam">

      <priority value="WARN"/>

   </category>

  <!-- Limit the verbose MC4J EMS (lib used by admin-console) categories -->

   <category name="org.mc4j.ems">

      <priority value="WARN"/>

   </category> -->

   <!-- Limit the org.jboss.serial (jboss-serialization) to INFO as its DEBUG is verbose -->

   <category name="org.jboss.serial">

      <priority value="INFO"/>

   </category>

   <!-- ======================= -->

   <!-- Setup the Root category -->

   <!-- ======================= -->

   <root>

      <!--

         Set the root logger priority via a system property. Note this is parsed by log4j,

         so the full JBoss system property format is not supported; e.g.

         setting a default via ${jboss.server.log.threshold:WARN} will not work.

       -->

      <priority value="${jboss.server.log.threshold}"/>

      <appender-ref ref="FILE"/>

   </root>

</log4j:configuration>