#361 Commented why empty myAnnotation was sent

Author: qifeng-bai

grails-app/services/au/org/ala/alerts/DiffService.groovy

@@ -223,7 +223,7 @@ class DiffService {
                 log.warn "queryId: " + queryResult.query.id + ", queryResult:" + queryResult.id + " last or previous objects contains HTML and not JSON"
             }
         } catch (Exception ex) {
-            log.error("queryId: ${queryResult.query.id}, JsonPath error: ${ex}")
+            log.error("queryId: ${queryResult.query.id}, Runtime error: ${ex.getMessage()}")
         }
 
         return records

grails-app/services/au/org/ala/alerts/NotificationService.groovy

@@ -117,7 +117,7 @@ class NotificationService {
                 processedJson = processQuery(query, urlString)
             }
 
-            // todo:
+            // todo: Legacy code.
             // Review: Duplicated with the process of identifying record changes after
             // It is only for updating the stored properties
             // Considering remove
@@ -129,7 +129,8 @@ class NotificationService {
             qr.previousResult = qr.lastResult
             qr.lastResult = qr.compress(processedJson)
             qr.lastChecked = checkDate
-            //todo: review if it is necessary to store
+            // todo: review if it fully supports all queries
+            // Legacy code. It does not support MyAnnotation
             qr.hasChanged = diffService.hasChanged(qr)
             qr.queryUrlUsed = urlString
             qr.queryUrlUIUsed = urlStringForUI