Index: trunk/src/org/openstreetmap/josm/gui/layer/MainLayerManager.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/MainLayerManager.java	(revision 18391)
+++ trunk/src/org/openstreetmap/josm/gui/layer/MainLayerManager.java	(revision 18392)
@@ -185,5 +185,5 @@
     }
 
-    private void showStackTrace(StackTraceElement[] stackTrace) {
+    private static void showStackTrace(StackTraceElement[] stackTrace) {
         for (StackTraceElement st : stackTrace) {
             Logging.error("\tat " + st);