From d1449161398a099db7f3c5e10ccfc07dd8cffe3b Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Wed, 17 May 2017 21:38:32 +0200
Subject: synchronize around adding query to query map

---
 src/main/java/de/pixart/messenger/services/MessageArchiveService.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/main/java/de/pixart/messenger')

diff --git a/src/main/java/de/pixart/messenger/services/MessageArchiveService.java b/src/main/java/de/pixart/messenger/services/MessageArchiveService.java
index c74a71b08..5a5b0e9a1 100644
--- a/src/main/java/de/pixart/messenger/services/MessageArchiveService.java
+++ b/src/main/java/de/pixart/messenger/services/MessageArchiveService.java
@@ -75,7 +75,9 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
             query = new Query(account, startCatchup, endCatchup);
             query.reference = reference;
         }
-        this.queries.add(query);
+        synchronized (this.queries) {
+            this.queries.add(query);
+        }
         this.execute(query);
     }
 
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