The content of element type "hibernate-mapping" must match "(meta*,typedef*,import*,(class|subclass|joined-subclass|union-subclass)*,resultset*,(query|sql-query)*,filter-def*,database-object*)"

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
      "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="de.tds.ito.visualsolariszone">
  <filter-def name="theFilter">
    <filter-param name="theStartTimestamp" type="timestamp"/>
    <filter-param name="theStopTimestamp" type="timestamp"/>
    <filter-param name="theZoneId" type="integer"/>
    <filter-param name="theZoneName" type="string"/>
  </filter-def>
  <class name="ZoneInfoBean" table="ZONE_INFO_BEAN">
    <id name="pid" >
      <generator class="native"></generator>
    </id>
    <property name="calendarTimeStamp" type="timestamp"></property>
    <property name="zoneid"></property>
    <property name="zoneName"></property>
    <property name="cpuPercent"></property>
    <property name="cpuShares"></property>
    <property name="memPercent"></property>
    <property name="memRss"></property>
    <property name="memSize"></property>
    <property name="numProcs"></property>
    <property name="selected"></property>
    <property name="timeString"></property>
    <property name="valid"></property>
    <property name="zoneCfgXml"></property>
    <property name="zoneHomeDirectory"></property>
    <property name="zoneStateString"></property>
    <filter name="theFilter" condition="(calendarTimeStamp BETWEEN :theStartTimestamp AND :theStopTimestamp) AND zoneid = :theZoneId"></filter>
    <filter name="theFilter" condition="(calendarTimeStamp BETWEEN :theStartTimestamp AND :theStopTimestamp) AND zoneName = :theZoneName"></filter>
    <filter name="theFilter" condition="zoneid = :theZoneId"></filter>
    <filter name="theFilter" condition="zoneName = :theZoneName"></filter>
  </class>
</hibernate-mapping>

<class...>

<filter-def name="theFilter">
    <filter-param name="theStartTimestamp" type="timestamp"/>
    <filter-param name="theStopTimestamp" type="timestamp"/>
    <filter-param name="theZoneId" type="integer"/>
    <filter-param name="theZoneName" type="string"/>
  </filter-def>