Hibernate version:
2.1.7c
Mapping documents:
<?xml version="1.0"?>

<!DOCTYPE hibernate-mapping
PUBLIC "-//Hibernate/Hibernate Mapping DTD 2.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">

<hibernate-mapping>

<class
name = "logica.ActoMedico">

<id
name = "id"
column = "id">
<generator class = "native" />
</id>

<property
name = "nomeActoMedico">
<column
name = "actoMedico"
length = "25" />
</property>

<property
name = "nomeUtente" />

<property
name = "convencao">
<column
name = "convencao"
length = "25" />
</property>

<property
name = "data"
type = "date" />

<property
name = "comparticipacao" />

<property
name = "pagoPeloUtente" />

<property
name = "retencaoNaFonte" />

<property
name = "entidade">
<column
name = "entidade"
length = "15" />
</property>

<query name="obtemDadosParaMapa"><![CDATA[
select count(*), am.nomeActoMedico, am.convencao,
sum(am.pagoPeloUtente), sum(am.comparticipacao)
from ActoMedico am
where data >= ? and data <= ?
group by am.nomeActoMedico, am.convencao, am.comparticipacao
order by am.nomeActoMedico asc, am.convencao asc, am.data desc
]]></query>

</class>

</hibernate-mapping>
Code between sessionFactory.openSession() and session.close():
List valores = sessao.getNamedQuery("obtemDadosParaMapa")
.setDate(0, new Datas().entraStringSaiDate(sData1))
.setDate(1, new Datas().entraStringSaiDate(sData2)).list();
Full stack trace of any exception that occurs:
Exception in thread "main" java.lang.ExceptionInInitializerError
at utilitarios.HibernateUtil.<clinit>(HibernateUtil.java:37)
at bd.DadosConvencao.devolveActoMedico(DadosConvencao.java:211)
at utilitarios.MensageiroConvencao.obtemActosMedicos(MensageiroConvencao.java:269)
at gui.Visual.povoaComboAM(Visual.java:1338)
at gui.Visual.initialize(Visual.java:1517)
at gui.Visual.<init>(Visual.java:1481)
at gui.Visual.main(Visual.java:1471)
Caused by: net.sf.hibernate.MappingException: Error reading resource: ActoMedico.hbm.xml
at net.sf.hibernate.cfg.Configuration.addResource(Configuration.java:339)
at net.sf.hibernate.cfg.Configuration.doConfigure(Configuration.java:1018)
at net.sf.hibernate.cfg.Configuration.doConfigure(Configuration.java:974)
at net.sf.hibernate.cfg.Configuration.configure(Configuration.java:902)
at net.sf.hibernate.cfg.Configuration.configure(Configuration.java:888)
at utilitarios.HibernateUtil.<clinit>(HibernateUtil.java:30)
... 6 more
Caused by: net.sf.hibernate.MappingException: invalid mapping
at net.sf.hibernate.cfg.Configuration.addInputStream(Configuration.java:287)
at net.sf.hibernate.cfg.Configuration.addResource(Configuration.java:336)
... 11 more
Caused by: org.xml.sax.SAXParseException: The content of element type "class" must match "(meta*,(cache|jcs-cache)?,(id|composite-id),discriminator?,(version|timestamp)?,(property|many-to-one|one-to-one|component|dynamic-component|any|map|set|list|bag|idbag|array|primitive-array)*,(subclass*|joined-subclass*))".
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleEndElement(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.endElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.dom4j.io.SAXReader.read(SAXReader.java:339)
at net.sf.hibernate.cfg.Configuration.addInputStream(Configuration.java:286)
... 12 more

Name and version of the database you are using:
mysql 4.1

i followed exemple from book at page 249, but i get those error msgs.
What am i doing wrong?
thanks in advance

case solved
i guess book should advert query element appears after end class tag