O que tah errado no meu mapper? O parser não valida nem a pau.
<?xml version="1.0"?>
<!DOCTYPE hibernate-mappring PUBLIC
"-//Hibernate/Hibernate Mapping DTD 2.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">
<hibernate-mapping>
<class name="Usuario" table="usuario">
<id name="codigo" type="integer">
<column name="CODIGO_USUARIO" sql-type="number(38)" not-null="true"/>
<generator class="native">
<param name="sequence">suario_seq</param>
</generator>
</id>
<property name="nome">
<column name="NOME_USUARIO" sql-type="char(50)" not-null="true"/>
</property>
<property name="login">
<column name="LOGIN_USUARIO" sql-type="char(30)" not-null="true"/>
</property>
<property name="senha">
<column name="SENHA_USUARIO" sql-type="char(10)" not-null="true"/>
</property>
<set name="grupo" table="USUARIO_GRUPO">
<key column="CODIGO_USUARIO"/>
<many-to-many column="CODIGO_GRUPO_USUARIOS" class="Grupo"/>
</set>
</class>
</hibernate-mapping>
StackTrace
org.xml.sax.SAXParseException: Document root element "hibernate-mapping", must m
atch DOCTYPE root "hibernate-mappring".
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Er
rorHandlerWrapper.java:232)
at org.apache.xerces.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.
java:173)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.
java:362)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.
java:296)
at org.apache.xerces.impl.dtd.XMLDTDValidator.rootElementSpecified(XMLDT
DValidator.java:2546)
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleStartElement(XMLDTDV
alidator.java:2850)
at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidat
or.java:792)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElemen
t(XMLDocumentFragmentScannerImpl.java:752)
at org.apache.xerces.impl.XMLDocumentScannerImpl$ContentDispatcher.scanR
ootElementHook(XMLDocumentScannerImpl.java:927)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContent
Dispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1519)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XM
LDocumentFragmentScannerImpl.java:333)