Log errors in search

Author: lloydwatkin

src/main/java/org/buddycloud/channelserver/packetprocessor/iq/namespace/search/SearchSet.java

@@ -60,6 +60,7 @@ public void process(IQ request) throws Exception {
         try {
             runSearch();
         } catch (NodeStoreException e) {
+            LOGGER.error(e);
             sendErrorResponse(PacketError.Type.wait, PacketError.Condition.internal_server_error);
             return;
         }