From 627bf18f8cfa72aee3f410f22245403ff6a98ed0 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Thu, 19 May 2016 10:40:03 +0200
Subject: don't NPE on rare race condition while fetching MAM

---
 src/main/java/eu/siacs/conversations/entities/Message.java | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/main/java/eu/siacs/conversations/entities/Message.java b/src/main/java/eu/siacs/conversations/entities/Message.java
index 225d0531..818ac1d6 100644
--- a/src/main/java/eu/siacs/conversations/entities/Message.java
+++ b/src/main/java/eu/siacs/conversations/entities/Message.java
@@ -492,6 +492,9 @@ public class Message extends AbstractEntity {
 		Message current = this;
 		while(current.mergeable(current.next())) {
 			current = current.next();
+			if (current == null) {
+				break;
+			}
 			body.append(MERGE_SEPARATOR);
 			body.append(current.getBody().trim());
 		}
@@ -507,6 +510,9 @@ public class Message extends AbstractEntity {
 		Message current = this;
 		while(current.mergeable(current.next())) {
 			current = current.next();
+			if (current == null) {
+				break;
+			}
 			status = current.status;
 		}
 		return status;
@@ -517,6 +523,9 @@ public class Message extends AbstractEntity {
 		Message current = this;
 		while(current.mergeable(current.next())) {
 			current = current.next();
+			if (current == null) {
+				break;
+			}
 			time = current.timeSent;
 		}
 		return time;
-- 
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