Problem in hibernate mapping

Hi,
I am new to hibernate and found some problem in mapping for a simple example. Kindly have a look at my code and stack trace and help me fix the problem.
Mobile.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
     <class name="com.mindtree.entity.MobileInvoice" table="MOBILE">
          <property name="model" column="MODEL"/>
          <property name="make" column="MAKE"/>
          <property name="price" column="PRICE"/>
          <property name="date" column="DATE1" />
          <property name="csex" column="CSEX" />
          <property name="cage" column= "CAGE" />
          <id name="id" column="ID">
               <generator class="increment"/>
          </id>
     </class>
</hibernate-mapping>Stacktrace:
org.hibernate.MappingException: Could not read mappings from resource: Mobile.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.mindtree.dao.MobileDAOImpl.addInvoice(MobileDAOImpl.java:25)
     at com.mindtree.dao.Test.main(Test.java:18)
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)
     ... 8 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)
     ... 9 moreThanks :)

for ex:
hibernate.cfg.xml
<mapping resource="com/spm/dao/Login.hbm.xml" />
login.hbm.xml
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
     <class name="com.dao.Login" table="login">
          <id name="id" type="java.lang.Short">
               <column name="id" />
               <generator class="increment" />
          </id>
          <property name="username" type="java.lang.String">
               <column name="username" length="15" not-null="true" />
          </property>
     </class>
</hibernate-mapping>

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    BEGIN EXCEPTION-
    !ENTRY org.eclipse.ui 4 0 2007-03-13 09:08:37.939
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    !STACK 0
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         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
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         at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
         at java.awt.Container.dispatchEventImpl(Unknown Source)
         at java.awt.Window.dispatchEventImpl(Unknown Source)
         at java.awt.Component.dispatchEvent(Unknown Source)
         at com.m7.wide.eclipse.jstudio.Plugin$_A.A(Unknown Source)
         at com.m7.wide.eclipse.jstudio.Plugin$4.run(Unknown Source)
         at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
         at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123)
         ... 32 more
    ---END EXCEPTION---
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    Thanks,
    Avi.

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    Thanks for answering me
    Bye Steve

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    sorry for my late answer, but I'm writing my diploma thesis and wasnt at work since wednesday and so I dont have a access to our GP-System.
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    The Use Case of parameter mapping is that Users of further steps has the possibility to see the Input of previous steps.
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    Cause I have 20 parameter the mapping was very time-consuming, to map every single parameter. I read a method to reduce the time: Adding a structure requires only mapping of the two structures. But now the Mapping doesnt work.
    Hope you can help me
    Bye Steve

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