--- a/flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java	Tue Oct 25 11:07:14 2011 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java	Tue Oct 25 12:31:15 2011 +0000
@@ -6,6 +6,8 @@
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
+import org.apache.log4j.Logger;
+
 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
 
 import de.intevation.artifacts.common.ArtifactNamespaceContext;
@@ -28,6 +30,9 @@
 extends      RemoteServiceServlet
 implements   UserService
 {
+    private static final Logger logger = Logger.getLogger(UserServiceImpl.class);
+
+
     public static final String ERROR_NO_SUCH_USER = "error_no_such_user";
 
     public User getCurrentUser(String serverUrl, String locale)
@@ -58,10 +63,10 @@
             }
         }
         catch (ConnectionException ce) {
-            System.err.println(ce.getLocalizedMessage());
+            logger.error(ce, ce);
         }
 
-        System.err.println("No users existing in the server.");
+        logger.error("No users existing in the server.");
         throw new AuthenticationException(ERROR_NO_SUCH_USER);
     }
 }