JBOSS的调度问题？？

// <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE server>

<server>

  <classpath codebase="lib" 
	     archives="jboss-jmx.jar,
	     scheduler-plugin.jar, 
	     framework.jar"/>
	     
  <!-- ==================================================================== -->
  <!-- Scheduler Service                                                    -->
  <!-- ==================================================================== -->


  <!--  | The Schedule Manager has to be started whenever
    | schedules are needed   -->
   <mbean code="org.jboss.varia.scheduler.ScheduleManager"
          name="jboss:service=ScheduleManager">
      <attribute name="StartAtStartup">true</attribute>
   </mbean>


 	<!-- Nightly alert notification  -->

  <mbean code="com.fadv.tapa.util.scheduler.NightlyAlerts" 
	 name="ScheduledTasks:service=NightlyAlerts">
	 <depends>jboss.jca:service=Hibernate</depends>
      <attribute name="AlertName">NIGHTLY ALERT</attribute>
	  <attribute name="LastNDays">1</attribute>
  </mbean>

     <mbean code="com.fadv.tapa.core.schedule.jmx.SingleScheduleProvider"
            name="TAPATasks:service=TaskScheduleProvider">
        <depends>jboss:service=ScheduleManager</depends>
        <depends>ScheduledTasks:service=NightlyAlerts</depends>
        <attribute name="ScheduleManagerName">jboss:service=ScheduleManager</attribute>
        <attribute name="TargetName">ScheduledTasks:service=NightlyAlerts</attribute>
        <attribute name="TargetMethod">execute()</attribute>
        <attribute name="DateFormat">h:mm a</attribute>
        <attribute name="StartDate">NOW</attribute>
        <attribute name="Period">3600000</attribute>
        <attribute name="Repetitions">-1</attribute>
        <attribute name="RegisterToScheduleManager">true</attribute>
   </mbean>


</server>