Unable to engage module : rampart

Hello

I am getting following error while securing my web service using rampart .

Please help us on this . It worrked fine once but now it is failing.

Aug 5, 2008 4:38:17 PM org.apache.axis2.deployment.DeploymentEngine prepareRepository
INFO: No services directory was found under /home/rajnishc/client-repo.
Aug 5, 2008 4:38:18 PM org.apache.axis2.deployment.ModuleDeployer deploy
INFO: Deploying module: rampart-1.3
org.apache.axis2.AxisFault: Unable to engage module : rampart
 at org.apache.axis2.client.ServiceClient.engageModule(ServiceClient.java:339)
 at Test.main(Test.java:47)
org.apache.axis2.AxisFault: java.lang.NullPointerException
 at org.apache.axis2.util.Utils.getInboundFaultFromMessageContext(Utils.java:486)
 at org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:343)
 at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:389)
 at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:211)
 at org.apache.axis2.client.OperationClient.execute(OperationClient.java:163)
 at st.ict.qs.lems.secure.adb.client.EventServiceStub.createEvent(EventServiceStub.java:190)
 at Test.main(Test.java:67)
Exception in thread "main" java.lang.NullPointerException
 at Test.main(Test.java:75)

Client code is same as

  System.setProperty("javax.net.ssl.trustStore", "/home/rajnishc/keys/server.jks");
     System.setProperty("javax.net.ssl.trustStorePassword", "password");
  
     
     //To be able to load the client configuration from axis2.xml
     ConfigurationContext ctx = null;
     try {
   ctx = ConfigurationContextFactory.createConfigurationContextFromFileSystem("/home/rajnishc/client-repo", null);
  } catch (AxisFault e1) {
   // TODO Auto-generated catch block
   e1.printStackTrace();
  }

   EventServiceStub stub = null;
   try {
    stub = new EventServiceStub("https://10.199.48.42:8443/axis2/services/EventService");
   } catch (Exception e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
   

   ServiceClient sc = stub._getServiceClient();
   
   try {
    sc.engageModule("rampart");
   } catch (AxisFault e1) {
    // TODO Auto-generated catch block
    e1.printStackTrace();
   }
   
   Options options = sc.getOptions();
   options.setUserName("lems_ws");
   options.setPassword("lems_ws_123");
 

My service.xml is as

<serviceGroup>
   <service name="EventService" class="st.ict.qs.ws.spring.SpringInit">
     <module ref="rampart"/> 
     <messageReceivers>
        <messageReceiver  mep="http://www.w3.org/2004/08/wsdl/in-only"
         class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver"/>
        <messageReceiver
              mep="http://www.w3.org/2004/08/wsdl/in-out"
         class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>
     </messageReceivers>
    <parameter name="ServiceClass">
        st.ict.qs.ws.EventService
    </parameter>
    <parameter name="useOriginalwsdl">false</parameter>
    <parameter name="modifyUserWSDLPortAddress">true</parameter>
    <!-- need the TCCL param when using spring inside the AAR -->
    <parameter name="ServiceTCCL">composite</parameter>
    <parameter name="ServiceObjectSupplier">org.apache.axis2.extensions.spring.receivers.SpringAppContextAwareObjectSupplier</parameter>

    <parameter name="SpringBeanName">eventService</parameter>

        <operation name="createEvent">
                   <actionMapping>urn:createEvent</actionMapping>
                   <outputActionMapping>
                                urn:createEventResponse
                   </outputActionMapping>
        </operation>

    <wsp:Policy wsu:Id="UTOverTransport" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
  <wsp:ExactlyOne>
    <wsp:All>
   <sp:TransportBinding xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
     <wsp:Policy>
    <sp:TransportToken>
      <wsp:Policy>
     <sp:HttpsToken RequireClientCertificate="false"/>
      </wsp:Policy>
    </sp:TransportToken>
    <sp:AlgorithmSuite>
      <wsp:Policy>
     <sp:Basic256/>
      </wsp:Policy>
    </sp:AlgorithmSuite>
    <sp:Layout>
      <wsp:Policy>
     <sp:Lax/>
      </wsp:Policy>
    </sp:Layout>
    <sp:IncludeTimestamp/>
     </wsp:Policy>
   </sp:TransportBinding>
   <sp:SignedSupportingTokens xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
    <wsp:Policy>
     <sp:UsernameToken sp:IncludeToken="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy/IncludeToken/AlwaysToRecipient" />
     </wsp:Policy>
   </sp:SignedSupportingTokens>
   <ramp:RampartConfig xmlns:ramp="http://ws.apache.org/rampart/policy">
    <ramp:passwordCallbackClass>st.ict.qs.ws.PWCBHandler</ramp:passwordCallbackClass>
   </ramp:RampartConfig>  
    </wsp:All>
  </wsp:ExactlyOne>
 </wsp:Policy>

    </service>
</serviceGroup>