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

<hibernate-mapping package="all4it.gmi.database">
   <class
      name="Employee"
      table="EMPLOYEE"
   >

      <property
         name="Id"
         column="ID"
         type="integer"
         not-null="true"
         length="22"
      />
      <property
         name="Name"
         column="NAME"
         type="string"
         not-null="false"
         length="30"
      />
      <property
         name="Firstname"
         column="FIRSTNAME"
         type="string"
         not-null="false"
         length="30"
      />


   </class>   
</hibernate-mapping>

Caused by: org.hibernate.MappingException: invalid mapping
   at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:399)
   at org.hibernate.cfg.Configuration.addResource(Configuration.java:449)
   ... 8 more
Caused by: org.xml.sax.SAXParseException: The content of element type "class" must match "(meta*,subselect?,cache?,synchronize*,comment?,(id|composite-id),discriminator?,(version|timestamp)?,(property|many-to-one|one-to-one|component|dynamic-component|properties|any|map|set|list|bag|idbag|array|primitive-array|query-list)*,((join*,subclass*)|joined-subclass*|union-subclass*),loader?,sql-insert?,sql-update?,sql-delete?,filter*)".
   at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:236)
   at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:172)
   at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:382)
   at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:316)
   at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.handleEndElement(XMLDTDValidator.java:2048) ...