Fixes to the VirtualFireAlarmMQTTConnector

components/device-mgt-iot-virtualfirealarm/org.wso2.carbon.device.mgt.iot.virtualfirealarm.service.impl/src/main/java/org/wso2/carbon/device/mgt/iot/virtualfirealarm/service/VirtualFireAlarmService.java

@@ -147,7 +147,6 @@ public class VirtualFireAlarmService {
 //        Runnable xmppStarter = new Runnable() {
 //            @Override
 //            public void run() {
-                virtualFireAlarmMQTTConnector.initConnector();
                 virtualFireAlarmMQTTConnector.connect();
 //            }
 //        };

components/device-mgt-iot-virtualfirealarm/org.wso2.carbon.device.mgt.iot.virtualfirealarm.service.impl/src/main/java/org/wso2/carbon/device/mgt/iot/virtualfirealarm/service/transport/VirtualFireAlarmMQTTConnector.java

@@ -43,22 +43,19 @@ import java.util.UUID;
 public class VirtualFireAlarmMQTTConnector extends MQTTTransportHandler {
     private static Log log = LogFactory.getLog(VirtualFireAlarmMQTTConnector.class);
 
-    private static String serverName;
+    private static String serverName = DeviceManagementConfigurationManager.getInstance().
-    private static String subscribeTopic;
+            getDeviceManagementServerInfo().getName();
-    private static String iotServerSubscriber;
+
+    private static String subscribeTopic = serverName + File.separator + "+" + File.separator +
+            VirtualFireAlarmConstants.DEVICE_TYPE + File.separator + "+" + File.separator + "publisher";
+
+    private static String iotServerSubscriber = UUID.randomUUID().toString().substring(0, 5);
 
     private VirtualFireAlarmMQTTConnector() {
         super(iotServerSubscriber, VirtualFireAlarmConstants.DEVICE_TYPE,
               MqttConfig.getInstance().getMqttQueueEndpoint(), subscribeTopic);
     }
 
-    public void initConnector(){
-        iotServerSubscriber = UUID.randomUUID().toString().substring(0, 5);
-        serverName = DeviceManagementConfigurationManager.getInstance().getDeviceManagementServerInfo().getName();
-        subscribeTopic = serverName + File.separator + "+" + File.separator + VirtualFireAlarmConstants.DEVICE_TYPE +
-                        File.separator + "+" + File.separator + "publisher";
-    }
-
     @Override
     public void connect() {
         Runnable connector = new Runnable() {

components/device-mgt-iot/org.wso2.carbon.device.mgt.iot/src/main/java/org/wso2/carbon/device/mgt/iot/controlqueue/xmpp/XmppServerClient.java

@@ -220,7 +220,7 @@ public class XmppServerClient implements ControlQueueConnector {
 			return true;
 		} else {
 			String warnMsg = "XMPP <Enabled> set to false in 'devicemgt-config.xml'";
-			log.error(warnMsg);
+			log.warn(warnMsg);
 			throw new DeviceControllerException(warnMsg);
 		}
 	}