public Packet validateRequest(
      Packet packet, Subject clientSubject, Subject serviceSubject, Map<Object, Object> sharedState)
      throws XWSSecurityException {

    Message msg = packet.getMessage();

    boolean isSCIssueMessage = false;
    boolean isSCCancelMessage = false;
    boolean isTrustMessage = false;
    String msgId = null;
    String action = null;

    boolean thereWasAFault = false;

    // Do Security Processing for Incoming Message

    // ---------------INBOUND SECURITY VERIFICATION----------
    ProcessingContext ctx = initializeInboundProcessingContext(packet);

    // update the client subject passed to the AuthModule itself.
    ctx.setExtraneousProperty(MessageConstants.AUTH_SUBJECT, clientSubject);
    ctx.setExtraneousProperty(
        ProcessingContext.OPERATION_RESOLVER,
        new PolicyResolverImpl(
            inMessagePolicyMap,
            inProtocolPM,
            cachedOperation(packet),
            pipeConfig,
            addVer,
            false,
            rmVer));
    ctx.setExtraneousProperty("SessionManager", sessionManager);
    try {
      if (!optimized) {
        SOAPMessage soapMessage = msg.readAsSOAPMessage();
        soapMessage = verifyInboundMessage(soapMessage, ctx);
        msg = Messages.create(soapMessage);
      } else {
        msg = verifyInboundMessage(msg, ctx);
      }
    } catch (WssSoapFaultException ex) {
      log.log(Level.SEVERE, LogStringsMessages.WSITPVD_0035_ERROR_VERIFY_INBOUND_MSG(), ex);
      thereWasAFault = true;
      SOAPFaultException sfe = SOAPUtil.getSOAPFaultException(ex, soapFactory, soapVersion);
      msg = Messages.create(sfe, soapVersion);
    } catch (XWSSecurityException xwse) {
      log.log(Level.SEVERE, LogStringsMessages.WSITPVD_0035_ERROR_VERIFY_INBOUND_MSG(), xwse);
      thereWasAFault = true;
      SOAPFaultException sfe = SOAPUtil.getSOAPFaultException(xwse, soapFactory, soapVersion);
      msg = Messages.create(sfe, soapVersion);

    } catch (XWSSecurityRuntimeException xwse) {
      log.log(Level.SEVERE, LogStringsMessages.WSITPVD_0035_ERROR_VERIFY_INBOUND_MSG(), xwse);
      thereWasAFault = true;
      SOAPFaultException sfe = SOAPUtil.getSOAPFaultException(xwse, soapFactory, soapVersion);
      msg = Messages.create(sfe, soapVersion);

    } catch (WebServiceException xwse) {
      log.log(Level.SEVERE, LogStringsMessages.WSITPVD_0035_ERROR_VERIFY_INBOUND_MSG(), xwse);
      thereWasAFault = true;
      SOAPFaultException sfe = SOAPUtil.getSOAPFaultException(xwse, soapFactory, soapVersion);
      msg = Messages.create(sfe, soapVersion);

    } catch (SOAPException se) {
      // internal error
      log.log(Level.SEVERE, LogStringsMessages.WSITPVD_0035_ERROR_VERIFY_INBOUND_MSG(), se);
      thereWasAFault = true;
      SOAPFaultException sfe = SOAPUtil.getSOAPFaultException(se, soapFactory, soapVersion);
      msg = Messages.create(sfe, soapVersion);
    } catch (Exception ex) {
      // NPE's from server need to be handled as well
      log.log(Level.SEVERE, LogStringsMessages.WSITPVD_0035_ERROR_VERIFY_INBOUND_MSG(), ex);
      thereWasAFault = true;
      SOAPFaultException sfe = SOAPUtil.getSOAPFaultException(ex, soapFactory, soapVersion);
      msg = Messages.create(sfe, soapVersion);
    }

    if (thereWasAFault) {
      sharedState.put("THERE_WAS_A_FAULT", Boolean.valueOf(thereWasAFault));
      if (this.isAddressingEnabled()) {
        if (optimized) {
          packet.setMessage(((JAXBFilterProcessingContext) ctx).getPVMessage());
        }
        Packet ret =
            packet.createServerResponse(
                msg, this.addVer, this.soapVersion, this.addVer.getDefaultFaultAction());
        return ret;
      } else {
        packet.setMessage(msg);
        return packet;
      }
    }

    packet.setMessage(msg);

    if (isAddressingEnabled()) {
      action = getAction(packet);
      if (wsscVer.getSCTRequestAction().equals(action)
          || wsscVer.getSCTRenewRequestAction().equals(action)) {
        isSCIssueMessage = true;
        sharedState.put("IS_SC_ISSUE", TRUE);
        if (wsscConfig != null) {
          packet.invocationProperties.put(
              com.sun.xml.ws.security.impl.policy.Constants
                  .SUN_SECURE_SERVER_CONVERSATION_POLICY_NS,
              wsscConfig.iterator());
        }
      } else if (wsscVer.getSCTCancelRequestAction().equals(action)) {
        isSCCancelMessage = true;
        sharedState.put("IS_SC_CANCEL", TRUE);
      } else if (wsTrustVer.getIssueRequestAction().equals(action)
          || wsTrustVer.getValidateRequestAction().equals(action)) {
        isTrustMessage = true;
        sharedState.put("IS_TRUST_MESSAGE", TRUE);
        sharedState.put("TRUST_REQUEST_ACTION", action);
        // packet.getMessage().getHeaders().getTo(addVer, pipeConfig.getBinding().getSOAPVersion());

        if (trustConfig != null) {
          packet.invocationProperties.put(
              com.sun.xml.ws.security.impl.policy.Constants.SUN_TRUST_SERVER_SECURITY_POLICY_NS,
              trustConfig.iterator());
        }

        // set the SecurityEnvironment
        packet.invocationProperties.put(WSTrustConstants.SECURITY_ENVIRONMENT, secEnv);
        packet.invocationProperties.put(WSTrustConstants.WST_VERSION, this.wsTrustVer);
        IssuedTokenContext ictx = ((ProcessingContextImpl) ctx).getTrustContext();
        if (ictx != null && ictx.getAuthnContextClass() != null) {
          packet.invocationProperties.put(
              WSTrustConstants.AUTHN_CONTEXT_CLASS, ictx.getAuthnContextClass());
        }
      }

      if (isSCIssueMessage) {
        List<PolicyAssertion> policies = getInBoundSCP(packet.getMessage());
        if (!policies.isEmpty()) {
          packet.invocationProperties.put(SC_ASSERTION, (PolicyAssertion) policies.get(0));
        }
      }
    }

    if (!isSCIssueMessage) {
      WSDLBoundOperation cachedOperation = cacheOperation(msg, packet);
      if (cachedOperation == null) {
        if (addVer != null) {
          cachedOperation = getWSDLOpFromAction(packet, true);
          packet.invocationProperties.put("WSDL_BOUND_OPERATION", cachedOperation);
        }
      }
    }

    sharedState.put("VALIDATE_REQ_PACKET", packet);

    Packet retPacket = null;

    if (isSCIssueMessage || isSCCancelMessage) {
      // -------put application message on hold and invoke SC contract--------
      retPacket = invokeSecureConversationContract(packet, ctx, isSCIssueMessage);
      // if this is SC message we need to secure it in ValidateRequest Itself
      retPacket = secureResponse(retPacket, serviceSubject, sharedState);
    } else {
      updateSCSessionInfo(packet);
      retPacket = packet;
    }

    return retPacket;
  }