Fix an issue in XMPP conference call where some peers does not show conference-info update in UI.

src/net/java/sip/communicator/impl/googlecontacts/GoogleContactsServiceImpl.java

@@ -485,7 +485,7 @@ public static byte[] downloadPhoto(ILink photoLink,
         }
         catch(Exception e)
         {
-            logger.info("Failed to retrieve photo of the contact", e);
+            logger.debug("Failed to retrieve photo of the contact", e);
         }
         return null;
     }

src/net/java/sip/communicator/impl/gui/main/call/conference/ConferenceCallPanel.java

@@ -28,6 +28,11 @@ public class ConferenceCallPanel
     extends JScrollPane
     implements CallRenderer
 {
+    /**
+     * Serial version UID.
+     */
+    private static final long serialVersionUID = 0L;
+
     /**
      * The conference call.
      */
@@ -250,6 +255,11 @@ private void setSingleConferenceFocusUI(boolean isSingleConferenceFocusUI)
     private static class MyViewport
         extends JViewport
     {
+        /**
+         * Serial version UID.
+         */
+        private static final long serialVersionUID = 0L;
+
         /**
          * Subclassers can override this to install a different
          * layout manager (or <code>null</code>) in the constructor.  Returns
@@ -269,6 +279,11 @@ protected LayoutManager createLayoutManager()
      */
     private static class MyViewportLayout extends ViewportLayout
     {
+        /**
+         * Serial version UID.
+         */
+        private static final long serialVersionUID = 0L;
+
         // Single instance used by JViewport.
         static MyViewportLayout SHARED_INSTANCE = new MyViewportLayout();
 
@@ -339,10 +354,10 @@ else if (view instanceof Scrollable)
                     = Math.max(0, viewSize.height - extentSize.height);
             }
 
-            /* If we haven't been advised about how the viewports size 
+            /* If we haven't been advised about how the viewports size
              * should change wrt to the viewport, i.e. if the view isn't
              * an instance of Scrollable, then adjust the views size as follows.
-             * 
+             *
              * If the origin of the view is showing and the viewport is
              * bigger than the views preferred size, then make the view
              * the same size as the viewport.

src/net/java/sip/communicator/impl/gui/main/call/conference/ConferencePeerPanel.java

@@ -461,9 +461,30 @@ private void removeConferenceMemberPanel(ConferenceMember member)
 
         if (memberPanel != null)
         {
+            int i = 0;
             this.remove(memberPanel);
             conferenceMembersPanels.remove(member);
             member.removePropertyChangeListener(memberPanel);
+
+            for(Map.Entry<ConferenceMember, ConferenceMemberPanel> m :
+                conferenceMembersPanels.entrySet())
+            {
+                GridBagConstraints constraints = new GridBagConstraints();
+                ConferenceMemberPanel mV = m.getValue();
+
+                this.remove(mV);
+
+                // Add again the member panel to this container
+                constraints.fill = GridBagConstraints.BOTH;
+                constraints.gridx = 0;
+                constraints.gridy = i;
+                constraints.weightx = 1;
+                constraints.weighty = 0;
+                constraints.insets = new Insets(10, 0, 0, 0);
+
+                this.add(mV, constraints);
+                i++;
+            }
         }
     }
 

src/net/java/sip/communicator/impl/neomedia/device/AudioMixerMediaDevice.java

@@ -752,7 +752,10 @@ public void removeStreamAudioLevelListener(ReceiveStream stream)
                 AudioLevelEventDispatcher dispatcher =
                     streamAudioLevelListeners.remove(stream);
 
-                dispatcher.setAudioLevelListener(null);
+                if(dispatcher != null)
+                {
+                    dispatcher.setAudioLevelListener(null);
+                }
             }
         }
     }
@@ -983,7 +986,7 @@ protected void receiveStreamChanged(
         /**
          * Override it here cause we won't register effects to that stream
          * cause we already have one.
-         * 
+         *
          * @param processor the processor.
          */
         @Override
@@ -1103,7 +1106,7 @@ public int getLastMeasuredLocalUserAudioLevel()
          */
         @Override
         public void setMute(boolean mute)
-        {            
+        {
             if(super.isMute() == mute)
                 return;
 

src/net/java/sip/communicator/impl/protocol/jabber/OperationSetTelephonyConferencingJabberImpl.java

@@ -114,7 +114,6 @@ protected void notifyAll(Call call)
             while(it.hasNext())
             {
                 CallPeer callPeer = it.next();
-                System.out.print(callPeer.getAddress());
                 notify(callPeer);
             }
             version++;
@@ -652,6 +651,12 @@ private void handleCoin(CoinIQ coinIQ, CallPeerJabberImpl callPeer)
                 if(endpoints.size() > 0)
                 {
                     EndpointPacketExtension endpoint = endpoints.get(0);
+
+                    if(endpoint.getStatus() == null)
+                    {
+                        break;
+                    }
+
                     endpointStatus = endpoint.getStatus().toString();
 
                     List<MediaPacketExtension> medias =