try to catch a NPE on iterator.remove

1 files changed, 7 insertions, 3 deletions

diff --git a/src/main/java/de/pixart/messenger/services/XmppConnectionService.java b/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
index f47893e48..3588f836b 100644
--- a/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
+++ b/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
@@ -2629,9 +2629,13 @@ public class XmppConnectionService extends Service {
                         for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
                             Jid jid = iterator.next();
                             if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
-                                iterator.remove();
-                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
-                                changed = true;
+                                try {
+                                    iterator.remove();
+                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
+                                    changed = true;
+                                } catch (Exception e) {
+                                    e.printStackTrace();
+                                }
                             }
                         }
                         if (changed) {