ClassNotFoundException occurring even though dependency is specified in jboss-deploment-structure.xml in JBoss EAP 6

Issue

• Getting ClassNotFound even though dependency was specified on JBoss module in JBoss EAP 6. Below is the class not found:

at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_45]
Caused by: java.lang.ClassNotFoundException: org.hibernate.cfg.Configuration from [Module "deployment.webapp.war:main" from Service Module Loader]
        at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:196) [jboss-modules.jar:1.2.2.Final-redhat-1]
        at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:444) [jboss-modules.jar:1.2.2.Final-redhat-1]
        at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:432) [jboss-modules.jar:1.2.2.Final-redhat-1]
        at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:374) [jboss-modules.jar:1.2.2.Final-redhat-1]
        at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:119) [jboss-modules.jar:1.2.2.Final-redhat-1]
        ... 47 more

Out module dependency is specified in webapp.war/WEB-INF/jboss-deploment-structure.xml

<jboss-deployment-structure>
   <deployment>
      <dependencies>
          <module name="org.hibernate" export="true" services="import" meta-inf="import"/>
          <module name="org.hibernate.commons-annotations" export="true" services="import" meta-inf="import"/>
          <module name="org.hibernate.validator" export="true" services="import" meta-inf="import"/>
       </dependencies>
   </deployment>
</jboss-deployment-structure>