Ignore packets of type ERROR.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/branches/jive_messenger_2_1_branch@1553 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/messenger/muc/spi/MUCUserImpl.java

@@ -284,6 +284,10 @@ public class MUCUserImpl implements MUCUser {
     }
 
     public void process(IQ packet) {
+        // Ignore IQs of type ERROR sent to a room 
+        if (IQ.Type.error == packet.getType()) {
+            return;
+        }
         lastPacketTime = System.currentTimeMillis();
         JID recipient = packet.getTo();
         String group = recipient.getNode();
@@ -335,6 +339,10 @@ public class MUCUserImpl implements MUCUser {
     }
 
     public void process(Presence packet) {
+        // Ignore presences of type ERROR sent to a room
+        if (Presence.Type.error == packet.getType()) {
+            return;
+        }
         lastPacketTime = System.currentTimeMillis();
         JID recipient = packet.getTo();
         String group = recipient.getNode();