--- a/flys-client/src/main/java/de/intevation/flys/client/server/filter/GGInAFilter.java	Thu Dec 06 13:10:27 2012 +0100
+++ b/flys-client/src/main/java/de/intevation/flys/client/server/filter/GGInAFilter.java	Thu Dec 06 17:30:09 2012 +0100
@@ -81,8 +81,10 @@
         HttpServletRequest sreq = (HttpServletRequest) req;
 
         String requesturi = sreq.getRequestURI();
-        for (Enumeration e = req.getAttributeNames() ; e.hasMoreElements() ;) {
-            logger.debug(e.nextElement());
+        if (logger.isDebugEnabled()) {
+            for (Enumeration e = req.getAttributeNames() ; e.hasMoreElements() ;) {
+                logger.debug(e.nextElement());
+            }
         }
 
         logger.debug("Request for: " + requesturi);
@@ -115,8 +117,10 @@
             redirect = true;
         }
 
-        if (sreq.getQueryString() != null) {
-            uri = uri + "?" + sreq.getQueryString();
+        String queryString = sreq.getQueryString();
+
+        if (queryString != null) {
+            uri += "?" + queryString;
         }
         session.setAttribute("requesturi", uri);