Add missing error logs to OperationManagerImpl

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/impl/GeoLocationBasedServiceImpl.java

@@ -733,7 +733,10 @@ public class GeoLocationBasedServiceImpl implements GeoLocationBasedService {
                         constructCollectionType(List.class, EventAction.class));
                 eventData.setActions(eventActions);
             } catch (IOException e) {
-                log.error("Error occurred while parsing event actions of the event with ID " + event.getEventId());
+                if (log.isDebugEnabled()) {
+                    log.warn("Error occurred while parsing event actions of the event with ID " + event.getEventId());
+                }
+                continue;
             }
             eventList.add(eventData);
         }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/OperationManagerImpl.java

@@ -250,9 +250,13 @@ public class OperationManagerImpl implements OperationManager {
                 return activity;
             } catch (OperationManagementDAOException e) {
                 OperationManagementDAOFactory.rollbackTransaction();
-                throw new OperationManagementException("Error occurred while adding operation", e);
+                String msg = "Error occurred while adding operation";
+                log.error(msg, e);
+                throw new OperationManagementException(msg, e);
             } catch (TransactionManagementException e) {
-                throw new OperationManagementException("Error occurred while initiating the transaction", e);
+                String msg = "Error occurred while initiating the transaction";
+                log.error(msg, e);
+                throw new OperationManagementException(msg, e);
             } finally {
                 OperationManagementDAOFactory.closeConnection();
             }