#665 : Added some improvements to the fix

components/extensions/cdmf-transport-adapters/input/org.wso2.carbon.device.mgt.input.adapter.mqtt/src/main/java/org/wso2/carbon/device/mgt/input/adapter/mqtt/MQTTEventAdapter.java

@@ -56,11 +56,10 @@ public class MQTTEventAdapter implements InputEventAdapter {
             mqttBrokerConnectionConfiguration = new MQTTBrokerConnectionConfiguration(eventAdapterConfiguration
                     ,globalProperties);
             String topic = eventAdapterConfiguration.getProperties().get(MQTTEventAdapterConstants.ADAPTER_MESSAGE_TOPIC);
-            String tenantDomain = topic.split("/")[0];
             mqttAdapterListener = new MQTTAdapterListener(mqttBrokerConnectionConfiguration
                     ,topic
                     ,eventAdapterConfiguration
-                    ,eventAdapterListener, tenantDomain);
+                    ,eventAdapterListener);
         } catch (Throwable t) {
             throw new InputEventAdapterException(t.getMessage(), t);
         }

components/extensions/cdmf-transport-adapters/input/org.wso2.carbon.device.mgt.input.adapter.mqtt/src/main/java/org/wso2/carbon/device/mgt/input/adapter/mqtt/util/MQTTAdapterListener.java

@@ -76,7 +76,7 @@ public class MQTTAdapterListener implements MqttCallback, Runnable {
 
     public MQTTAdapterListener(MQTTBrokerConnectionConfiguration mqttBrokerConnectionConfiguration,
                                String topic, InputEventAdapterConfiguration inputEventAdapterConfiguration,
-                               InputEventAdapterListener inputEventAdapterListener, String tenantDomain) {
+                               InputEventAdapterListener inputEventAdapterListener) {
         String mqttClientId = inputEventAdapterConfiguration.getProperties()
                 .get(MQTTEventAdapterConstants.ADAPTER_CONF_CLIENTID);
         if(mqttClientId == null || mqttClientId.trim().isEmpty()){
@@ -88,7 +88,7 @@ public class MQTTAdapterListener implements MqttCallback, Runnable {
         int keepAlive = mqttBrokerConnectionConfiguration.getKeepAlive();
         this.topic = PropertyUtils.replaceTenantDomainProperty(topic);
         this.eventAdapterListener = inputEventAdapterListener;
-        this.tenantDomain = PropertyUtils.replaceTenantDomainProperty(tenantDomain);
+        this.tenantDomain = this.topic.split("/")[0];
 
         //SORTING messages until the server fetches them
         String temp_directory = System.getProperty("java.io.tmpdir");