Hibernate + FireBird AJUDA

Programação Java
#1

Pessoal estou montando uma aplicação com hibernate e firebird. Mas ta dando um erro. Alguém pode me ajudar. Obrigado.

[code]

  <session-factory>
                                             
     <property name = "hibernate-dialect">org.hibernate.dialect.FirebirdDialect</property> 
     
     <property name = "hibernate.connection.driver_class">org.firebirdsql.jdbc.FBDriver</property>
     
     <property name = "hibernate.connection.url">jdbc:firebirdsql:localhost/3050:D:\Clauber\Java\hibernate\banco\BANCO.GDB</property>
     
     <property name = "hibernate.connection.username">SYSDBA</property>
     
     <property name = "hibernate.connection.password">masterkey</property>
     
     <!-- Configuração do c3p0 -->
     
     <property name = "hibernate.c3p0.max_size">10</property>
     <property name = "hibernate.c3p0.min_size">2</property>
     <property name = "hibernate.c3p0.timeout">5000</property>
     <property name = "hibernate.c3p0.max_statements">10</property>
     <property name = "hibernate.c3p0.idle_test_period">3000</property>
     <property name = "hibernate.c3p0.acquire_increment">2</property>
     
     <!-- Configurações de Debug -->
     
     <property name = "show_sql">true</property>
     <property name = "hibernate.hbm2ddl.auto">create</property>
     <property name = "hibernate.generate_statistics">true</property>
     <property name = "hibernate.use_sql_comments">true</property>
     
     <mapping resource = "Curso.hbm.xml"/>
     <mapping resource = "Disciplina.hbm.xml"/>
     <mapping resource = "Turma.hbm.xml"/>
     <mapping resource = "Pessoa.hbm.xml"/>
     <mapping resource = "Aluno.hbm.xml"/>
     <mapping resource = "Professor.hbm.xml"/>
     <mapping resource = "Endereco.hbm.xml"/>
     
  </session-factory>

[/code]

Olhem o erro que tah dando

org.hibernate.HibernateException: problem parsing configuration/hibernate.cfg.xml at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1173) at org.hibernate.cfg.Configuration.configure(Configuration.java:1112) at org.hibernate.cfg.Configuration.configure(Configuration.java:1098) at util.HibernateUtility.<clinit>(HibernateUtility.java:16) at Principal.main(Principal.java:14) Caused by: org.hibernate.MappingException: invalid configuration at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1169) ... 4 more Caused by: org.xml.sax.SAXParseException: Document is invalid: no grammar found. 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.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source) at org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$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.doConfigure(Configuration.java:1168) ... 4 more Exception in thread "main" java.lang.NullPointerException at util.HibernateUtility.getSession(HibernateUtility.java:27) at Principal.main(Principal.java:14)

#2