Index: trunk/src/org/openstreetmap/josm/gui/preferences/plugin/PluginPreferencesModel.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/preferences/plugin/PluginPreferencesModel.java	(revision 15226)
+++ trunk/src/org/openstreetmap/josm/gui/preferences/plugin/PluginPreferencesModel.java	(revision 15227)
@@ -368,5 +368,5 @@
                     PluginInformation oldinfo = getPluginInformation(pi.name);
                     if (oldinfo != null) {
-                        oldinfo.updateLocalInfo(newinfo);
+                        oldinfo.updateFromJar(newinfo);
                     }
                 } catch (PluginException e) {
Index: trunk/src/org/openstreetmap/josm/plugins/PluginHandler.java
===================================================================
--- trunk/src/org/openstreetmap/josm/plugins/PluginHandler.java	(revision 15226)
+++ trunk/src/org/openstreetmap/josm/plugins/PluginHandler.java	(revision 15227)
@@ -1357,5 +1357,5 @@
             return true;
         } else if (jar != null) {
-            Logging.warn("Invalid jar file ''"+jar+"'' (exists: "+jar.exists()+", canRead: "+jar.canRead()+')');
+            Logging.debug("Invalid jar file ''"+jar+"'' (exists: "+jar.exists()+", canRead: "+jar.canRead()+')');
         }
         return false;