Merge pull request #2167 from dulanjalidilmi/master

Create ELK metadata for fault events

modules/core/src/main/java/org/apache/synapse/aspects/flow/statistics/collectors/FaultStatisticCollector.java

@@ -47,6 +47,7 @@ public static void reportFault(MessageContext messageContext) {
 				dataUnit.setCurrentIndex(StatisticDataCollectionHelper.getParentFlowPosition(messageContext, null));
 
 				FaultEvent faultEvent = new FaultEvent(dataUnit);
+				faultEvent.getDataUnit().generateElasticMetadata(messageContext);
                 addEventAndIncrementCount(messageContext, faultEvent);
 			}
 		}