From 0332fa54d10ff357e40ebd979364ca4da6181fb8 Mon Sep 17 00:00:00 2001
From: Tairs Rzajevs <tairs.rzayevs@chi.lv>
Date: Thu, 15 Nov 2018 15:18:17 +0200
Subject: [PATCH] Fix previous archive page requested incorrectly in MamManager

Previous page should be before the first message in the previous
result set, not the last.

Fixes SMACK-843.
---
 .../src/main/java/org/jivesoftware/smackx/mam/MamManager.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/smack-experimental/src/main/java/org/jivesoftware/smackx/mam/MamManager.java b/smack-experimental/src/main/java/org/jivesoftware/smackx/mam/MamManager.java
index 3b90d1cb5..61fd861df 100644
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/mam/MamManager.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/mam/MamManager.java
@@ -995,7 +995,7 @@ public final class MamManager extends Manager {
         public List<Message> pagePrevious(int count) throws NoResponseException, XMPPErrorException,
                         NotConnectedException, NotLoggedInException, InterruptedException {
             RSMSet previousResultRsmSet = getPreviousRsmSet();
-            RSMSet requestRsmSet = new RSMSet(count, previousResultRsmSet.getLast(), RSMSet.PageDirection.before);
+            RSMSet requestRsmSet = new RSMSet(count, previousResultRsmSet.getFirst(), RSMSet.PageDirection.before);
             return page(requestRsmSet);
         }