"ClassNotFoundException" During Hibernate JBOSS Deployment

[cwalters]

I am getting a "ClassNotFoundException" for a "composite-id" element in a hibernate mapping file during deployment of a hibernate app even though the class in question does correctly exist in the GGGoMobile.jar file.

I am using NetBeans 6.7.1 Hibernate utilities to reverse engineer a MySQL 5 database and generate the mapping files, JBOSS 5.1.0, and Hibernate 3.3.1.

Application Structure:

GGGoMobile.ear
 +META-INF
 + gggomobile-hibernate.xml
 + application.xml
 + jboss-app.xml
 +GGGoMobileLib.jar (contains all hibernate mapping files and compiled .class files)

... other JAR and WAR files

Hibernate Mapping File:

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated Sep 21, 2009 5:32:06 PM by Hibernate Tools 3.2.1.GA -->
<hibernate-mapping>
 <class name="com.clarksonville.gm.lib.data.GmStoreAdKeyword" table="gm_store_ad_keyword" catalog="gggomobiledb">
 <composite-id name="id" class="com.clarksonville.gm.lib.data.GmStoreAdKeywordId">
 <key-property name="adKeywordId" type="int">
 <column name="ad_keyword_id" />
 </key-property>
 <key-property name="storeAdId" type="int">
 <column name="store_ad_id" />
 </key-property>
 </composite-id>
 <many-to-one name="gmStoreAd" class="com.clarksonville.gm.lib.data.GmStoreAd" update="false" insert="false" fetch="select">
 <column name="store_ad_id" not-null="true" />
 </many-to-one>
 <many-to-one name="gmAdKeyword" class="com.clarksonville.gm.lib.data.GmAdKeyword" update="false" insert="false" fetch="select">
 <column name="ad_keyword_id" not-null="true" />
 </many-to-one>
 <property name="keywordBid" type="java.lang.Float">
 <column name="keyword_bid" precision="12" scale="0" />
 </property>
 </class>
</hibernate-mapping>

gggomobile-hibernate.xml

<hibernate-configuration xmlns="urn:jboss:hibernate-deployer:1.0">
 <session-factory name="java:/hibernate/GGGoMobileSessionFactory" bean="jboss.gggomobile:name=GGGoMobileSessionFactory">
 <property name="datasourceName">java:/GGGoMobileDS</property>
 <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
 <depends>jboss:service=Naming</depends>
 <depends>jboss:service=TransactionManager</depends>
 </session-factory>
</hibernate-configuration>

Error Stack Trace:

11:41:39,435 ERROR [AbstractKernelController] Error installing to Start: name=jboss.gggomobile:name=GGGoMobileSessionFactory state=Create
org.hibernate.MappingException: component class not found: com.clarksonville.gm.lib.data.GmStoreAdKeywordId
 at org.hibernate.mapping.Component.getComponentClass(Component.java:127)
 at org.hibernate.tuple.component.PojoComponentTuplizer.buildGetter(PojoComponentTuplizer.java:156)
 at org.hibernate.tuple.component.AbstractComponentTuplizer.<init>(AbstractComponentTuplizer.java:66)
 at org.hibernate.tuple.component.PojoComponentTuplizer.<init>(PojoComponentTuplizer.java:61)
 at org.hibernate.tuple.component.ComponentEntityModeToTuplizerMapping.<init>(ComponentEntityModeToTuplizerMapping.java:76)

...

Caused by: java.lang.ClassNotFoundException: com.clarksonville.gm.lib.data.GmStoreAdKeywordId from BaseClassLoader@6dcfde{VFSClassLoaderPolicy@16a3075{name=vfsfile:/C:/JBoss/jboss-5.1.0.GA/server/default/conf/jboss-service.xml domain=ClassLoaderDomain@16877f8{name=DefaultDomain parentPolicy=BEFORE parent=org.jboss.bootstrap.NoAnnotationURLClassLoader@867e89 ...

 at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:448)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
 at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
 at java.lang.Class.forName0(Native Method)
 at java.lang.Class.forName(Class.java:169)
 at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:123)
 at org.hibernate.mapping.Component.getComponentClass(Component.java:124)
 ... 72 more