From 458688f9eccca6b3c27730fc8a4fb04b79167430 Mon Sep 17 00:00:00 2001
From: Clement Hennequin <clement.hennequin@nist.gov>
Date: Fri, 18 Oct 2024 14:54:19 -0400
Subject: [PATCH] Null handling for Processing Flavor set

---
 .../immregistries/iis/kernal/logic/IncomingMessageHandler.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/immregistries/iis/kernal/logic/IncomingMessageHandler.java b/src/main/java/org/immregistries/iis/kernal/logic/IncomingMessageHandler.java
index 41403e2f..bae2c909 100644
--- a/src/main/java/org/immregistries/iis/kernal/logic/IncomingMessageHandler.java
+++ b/src/main/java/org/immregistries/iis/kernal/logic/IncomingMessageHandler.java
@@ -572,7 +572,7 @@ public String buildAck(HL7Reader reader, List<ProcessingException> processingExc
 		}
 
 		// if processing flavor contains MEDLAR then all the non E errors have to removed from the processing list
-		if (processingFlavorSet.contains(ProcessingFlavor.MEDLAR)) {
+		if (processingFlavorSet != null && processingFlavorSet.contains(ProcessingFlavor.MEDLAR)) {
 			List<ProcessingException> tempProcessingExceptionList = new ArrayList<ProcessingException>();
 			for (ProcessingException pe : processingExceptionList) {
 				if (pe.isError()) {