<version name="version" column="VERSION"/>

The content of element type "class" must match "(meta*,subselect?,cache?,synchronize*,comment?,tuplizer*,(id|composite-id),discriminator?,natural-id?,(version|timestamp)?,(property|many-to-one|one-to-one|component|dynamic-component|properties|any|map|set|list|bag|idbag|array|primitive-array)*,((join*,subclass*)|joined-subclass*|union-subclass*),loader?,sql-insert?,sql-update?,sql-delete?,filter*,resultset*,(query|sql-query)*)".

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

<hibernate-mapping>
<!-- dynamic-update="true" optimistic-lock="version" -->
   <class name="com.comp.test.dao.Person" table="PERSONS" >
      <id name="id" column="ID">
         <generator class="identity" />
      </id>
      <property name="firstname" column="FIRSTNAME" length="100"/>
      <property name="lastname" column="LASTNAME" length="100"/>
      <version name="version" column="VERSION"/>
   </class>
</hibernate-mapping>

18:59:46,475 ERROR [XMLHelper] Error parsing XML: XML InputStream(14) The content of element type "class" must match "(meta*,subselect?,cache?,synchronize*,comment?,tuplizer*,(id|composite-id),discriminator?,natural-id?,(version|timestamp)?,(property|many-to-one|one-to-one|component|dynamic-component|properties|any|map|set|list|bag|idbag|array|primitive-array)*,((join*,subclass*)|joined-subclass*|union-subclass*),loader?,sql-insert?,sql-update?,sql-delete?,filter*,resultset*,(query|sql-query)*)".
Initial SessionFactory creation failed.org.hibernate.MappingException: Could not read mappings from resource: com/comp/test/dao/Person.hbm.xml
Exception in thread "main" java.lang.ExceptionInInitializerError
   at com.comp.util.HibernateUtil.<clinit>(HibernateUtil.java:16)
   at com.comp.test.dao.PersonneDAO.startUpdate(PersonneDAO.java:16)
   at com.comp.test.lock.optimiste.Main.main(Main.java:14)
Caused by: org.hibernate.MappingException: Could not read mappings from resource: com/comp/test/dao/Person.hbm.xml
   at org.hibernate.cfg.Configuration.addResource(Configuration.java:485)
   at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1465)
   at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1433)
   at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1414)
   at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1390)
   at org.hibernate.cfg.Configuration.configure(Configuration.java:1310)
   at org.hibernate.cfg.Configuration.configure(Configuration.java:1296)
   at com.comp.util.HibernateUtil.<clinit>(HibernateUtil.java:12)
   ... 2 more
Caused by: org.hibernate.MappingException: invalid mapping
   at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:425)
   at org.hibernate.cfg.Configuration.addResource(Configuration.java:482)
   ... 9 more
Caused by: org.xml.sax.SAXParseException: The content of element type "class" must match "(meta*,subselect?,cache?,synchronize*,comment?,tuplizer*,(id|composite-id),discriminator?,natural-id?,(version|timestamp)?,(property|many-to-one|one-to-one|component|dynamic-component|properties|any|map|set|list|bag|idbag|array|primitive-array)*,((join*,subclass*)|joined-subclass*|union-subclass*),loader?,sql-insert?,sql-update?,sql-delete?,filter*,resultset*,(query|sql-query)*)".
   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.XML11Configuration.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:465)
   at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:422)
   ... 10 more