I added all the Jars in to Lib and I get this error.

errororg.hibernate.InvalidMappingException: Could not parse mapping document from resource Customer.hbm.xml.
I have lots of tables and I have multiple classes in my hbm file.. Would that be a problem? Any pointers appreciated.

<?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="customer_unmarshall.Product" table="Product">
<id name="productID" type="int" column="ProductID" >
<generator class="assigned"/>
</id>
<property name="name">
<column name="Name" />
</property>
<property name="productNumber">
<column name="ProductNumber"/>
</property>
<property name="color">
<column name="Color"/>
</property>
<property name="standardCost">
<column name="StandardCost"/>
</property>
<property name="listPrice">
<column name="ListPrice"/>
</property>
<property name="size">
<column name="Size"/>
</property>
<property name="weight">
<column name="Weight"/>
</property>
<property name="productModelID">
<column name="ProductModelID"/>
</property>
<property name="productCategoryID">
<column name="ProductCategoryID"/>
</property>
<property name="sellStartDate">
<column name="SellStartDate"/>
</property>
<property name="sellEndDate">
<column name="SellEndDate"/>
</property>
<property name="discontinuedDate">
<column name="DiscontinuedDate"/>
</property>
<property name="thumbNailPhoto">
<column name="ThumbNailPhoto"/>
</property>
<property name="thumbnailPhotoFileName">
<column name="ThumbnailPhotoFileName"/>
</property>
</class>
<class name="customer_unmarshall.Address" table="Address">
<id name="addressID" type="int" column="AddressID" >
<generator class="assigned"/>
</id>
<property name="addressLine1">
<column name="AddressLine1"/>
</property>
<property name="addressLine2">
<column name="AddressLine2"/>
</property>
<property name="city">
<column name="City"/>
</property>
<property name="stateProvince">
<column name="StateProvince"/>
</property>
<property name="countryRegion">
<column name="CountryRegion"/>
</property>
<property name="postalCode">
<column name="PostalCode"/>
</property>

</class>
<class name="customer_unmarshall.Customer" table="Customer">
<id name="customerID" type="int" column="CustomerID" >
<generator class="assigned"/>
</id>
<property name="nameStyle">
<column name="NameStyle"/>
</property>
<property name="title">
<column name="Title"/>
</property>
<property name="firstName">
<column name="FirstName"/>
</property>
<property name="middleName">
<column name="MiddleName"/>
</property>
<property name="lastName">
<column name="LastName"/>
</property>
<property name="suffix">
<column name="Suffix"/>
</property>
<property name="companyName">
<column name="CompanyName"/>
</property>
<property name="salesPerson">
<column name="SalesPerson"/>
</property>
<property name="emailAddress">
<column name="EmailAddress"/>
</property>
<property name="phone">
<column name="Phone"/>
</property>

</class>
<class name="customer_unmarshall.CustomerAddress" table="CustomerAddress">
<id name="customerID" type="int" column="CustomerID" >
<generator class="assigned"/>
</id>
<id name="addressID" type="int" column="AddressID" >
<generator class="assigned"/>
</id>
<property name="addressType">
<column name="AddressType"/>
</property>
</class>
<class name="customer_unmarshall.ProductCategory" table="ProductCategory">
<id name="productCategoryID" type="int" column="ProductCategoryID" >
<generator class="assigned"/>
</id>
<property name="parentProductCategoryID">
<column name="ParentProductCategoryID"/>
</property>
<property name="name">
<column name="Name"/>
</property>

</class>

</hibernate-mapping>