Fixed EMM-1513

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/service/DeviceManagementProviderService.java

@@ -23,7 +23,6 @@ import org.wso2.carbon.device.mgt.common.license.mgt.License;
 import org.wso2.carbon.device.mgt.common.operation.mgt.Activity;
 import org.wso2.carbon.device.mgt.common.operation.mgt.Operation;
 import org.wso2.carbon.device.mgt.common.operation.mgt.OperationManagementException;
-import org.wso2.carbon.device.mgt.core.dto.DeviceType;
 
 import java.util.Date;
 import java.util.List;

components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/mgt/impl/MonitoringManagerImpl.java

@@ -399,7 +399,7 @@ public class MonitoringManagerImpl implements MonitoringManager {
         monitoringOperation.setCode(OPERATION_MONITOR);
 //	    CommandOperation infoOperation = new CommandOperation();
 //	    infoOperation.setEnabled(true);
-//	    infoOperation.setType(Operation.Type.COMMAND);
+//	    infoOperation.setType(Operation.Type.COMMAND);\\
 //	    infoOperation.setCode(OPERATION_INFO);
 //	    CommandOperation appListOperation = new CommandOperation();
 //	    appListOperation.setEnabled(true);
@@ -411,7 +411,7 @@ public class MonitoringManagerImpl implements MonitoringManager {
         if (deviceIdentifiers.size() > 0) {
             type = deviceIdentifiers.get(0).getType();
         }
-        DeviceManagementProviderService service = new DeviceManagementProviderServiceImpl();
+        DeviceManagementProviderService service = PolicyManagementDataHolder.getInstance().getDeviceManagementService();
         service.addOperation(type, monitoringOperation, deviceIdentifiers);
 //	    service.addOperation(infoOperation, deviceIdentifiers);
 //	    service.addOperation(appListOperation, deviceIdentifiers);

components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/task/MonitoringTask.java

@@ -117,8 +117,10 @@ public class MonitoringTask implements Task {
                                 log.debug(device.getDeviceIdentifier());
                             }
                         }
-                        monitoringManager.addMonitoringOperation(notifiableDevices);
-                        monitoringService.notifyDevices(notifiableDevices);
+                        if (!notifiableDevices.isEmpty()) {
+                            monitoringManager.addMonitoringOperation(notifiableDevices);
+                            monitoringService.notifyDevices(notifiableDevices);
+                        }
                     }
                 }
                 if (log.isDebugEnabled()) {