From 2018b257685bec1a4774aee36caace72b30a911d Mon Sep 17 00:00:00 2001
From: mguessan <mguessan@3d1905a2-6b24-0410-a738-b14d5a86fcbd>
Date: Wed, 23 Oct 2013 21:53:21 +0000
Subject: [PATCH] IMAP: fix uidNext implementation

git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@2187 3d1905a2-6b24-0410-a738-b14d5a86fcbd
---
 src/java/davmail/exchange/ExchangeSession.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/java/davmail/exchange/ExchangeSession.java b/src/java/davmail/exchange/ExchangeSession.java
index 2da6113d..64897208 100644
--- a/src/java/davmail/exchange/ExchangeSession.java
+++ b/src/java/davmail/exchange/ExchangeSession.java
@@ -1629,7 +1629,10 @@ public abstract class ExchangeSession {
                     recent++;
                 }
             }
-            long computedUidNext = messages.get(messages.size() - 1).getImapUid() + 1;
+            long computedUidNext = 1;
+            if (!messages.isEmpty()) {
+                computedUidNext = messages.get(messages.size() - 1).getImapUid() + 1;
+            }
             if (computedUidNext > uidNext) {
                 uidNext = computedUidNext;
             }