Fix invalid DAO factory handling & invalid event revoke payload

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/event/H2EventConfigDAOImpl.java

@@ -23,6 +23,7 @@ import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.mgt.common.event.config.EventConfig;
 import org.wso2.carbon.device.mgt.core.dao.DeviceManagementDAOFactory;
 import org.wso2.carbon.device.mgt.core.dao.EventManagementDAOException;
+import org.wso2.carbon.device.mgt.core.dao.EventManagementDAOFactory;
 import org.wso2.carbon.device.mgt.core.dao.impl.AbstractEventConfigDAO;
 
 import java.sql.Connection;
@@ -75,6 +76,6 @@ public class H2EventConfigDAOImpl extends AbstractEventConfigDAO {
     }
 
     private Connection getConnection() throws SQLException {
-        return DeviceManagementDAOFactory.getConnection();
+        return EventManagementDAOFactory.getConnection();
     }
 }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/event/config/EventOperationExecutor.java

@@ -132,7 +132,10 @@ public class EventOperationExecutor implements Runnable {
         EventRevokeOperation eventRevokeOperation = new EventRevokeOperation();
         eventRevokeOperation.setEventSource(eventSource);
         eventRevokeOperation.setId(geoFenceMeta.getId());
-        operation.setPayLoad(new Gson().toJson(eventRevokeOperation));
+
+        List<EventRevokeOperation> eventOperationsRevoke = new ArrayList<>();
+        eventOperationsRevoke.add(eventRevokeOperation);
+        operation.setPayLoad(new Gson().toJson(eventOperationsRevoke));
     }
 
     @Override

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

@@ -1507,7 +1507,7 @@ public class GeoLocationProviderServiceImpl implements GeoLocationProviderServic
                 geofenceDAO.deleteGeofenceGroupMapping(groupIdsOfGeoFence, fenceId);
             }
             geofenceDAO.deleteGeofenceById(fenceId);
-            DeviceManagementDAOFactory.commitTransaction();
+            EventManagementDAOFactory.commitTransaction();
             GeoCacheManagerImpl.getInstance().removeFenceFromCache(fenceId, tenantId);
         } catch (DeviceManagementDAOException e) {
             EventManagementDAOFactory.rollbackTransaction();
@@ -1571,7 +1571,7 @@ public class GeoLocationProviderServiceImpl implements GeoLocationProviderServic
             log.error(msg, e);
             throw new GeoLocationBasedServiceException(msg, e);
         } finally {
-            DeviceManagementDAOFactory.closeConnection();
+            EventManagementDAOFactory.closeConnection();
         }
         return true;
     }
@@ -1772,12 +1772,9 @@ public class GeoLocationProviderServiceImpl implements GeoLocationProviderServic
                     DeviceManagementConstants.EventServices.GEOFENCE, new GeoFenceEventMeta(geofenceData),
                     tenantId, geofenceData.getGroupIds());
         } catch (EventConfigurationException e) {
-            DeviceManagementDAOFactory.rollbackTransaction();
             String msg = "Failed to delete Geofence event configurations";
             log.error(msg, e);
             throw new GeoLocationBasedServiceException(msg, e);
-        } finally {
-            DeviceManagementDAOFactory.closeConnection();
         }
     }
 }