15:45:12,484 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-
host].[/petclinic-gemini]] (MSC service thread 1-15) Servlet /petclinic-gemini t
hrew load() exception: org.springframework.beans.factory.parsing.BeanDefinitionP
arsingException: Configuration problem: Unable to locate Spring NamespaceHandler
 for XML schema namespace [http://www.osgi.org/xmlns/blueprint/v1.0.0]
Offending resource: ServletContext resource [/WEB-INF/petclinic-servlet.xml]

<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://www.osgi.org/xmlns/blueprint/v1.0.0 http://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd"
           >
     <bean id="FindOwnersForm"
        class="org.springframework.samples.petclinic.web.FindOwnersForm">
        <property name="service" ref="MessageService"/>
     </bean>
     <reference id="MessageService" interface="fi.eis.applications.jboss.poc.osgiservice.api.MessageService"/>
</blueprint>