Index: /trunk/src/org/openstreetmap/josm/gui/animation/AnimationExtensionManager.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/animation/AnimationExtensionManager.java	(revision 15230)
+++ /trunk/src/org/openstreetmap/josm/gui/animation/AnimationExtensionManager.java	(revision 15231)
@@ -14,5 +14,5 @@
 public final class AnimationExtensionManager {
 
-    private static AnimationExtension currentExtension;
+    private static volatile AnimationExtension currentExtension;
 
     private AnimationExtensionManager() {
Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/DeleteFromRelationConfirmationDialog.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/DeleteFromRelationConfirmationDialog.java	(revision 15230)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/DeleteFromRelationConfirmationDialog.java	(revision 15231)
@@ -186,4 +186,5 @@
     public static class RelationMemberTableModel extends DefaultTableModel {
         private static class RelationToChildReferenceComparator implements Comparator<RelationToChildReference>, Serializable {
+            private static final long serialVersionUID = 1L;
             @Override
             public int compare(RelationToChildReference o1, RelationToChildReference o2) {
Index: /trunk/src/org/openstreetmap/josm/gui/io/UploadSelectionDialog.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/io/UploadSelectionDialog.java	(revision 15230)
+++ /trunk/src/org/openstreetmap/josm/gui/io/UploadSelectionDialog.java	(revision 15231)
@@ -206,4 +206,5 @@
     static class OsmPrimitiveListModel extends AbstractListModel<OsmPrimitive> {
         static final class OsmPrimitiveComparator implements Comparator<OsmPrimitive>, Serializable {
+            private static final long serialVersionUID = 1L;
             @Override
             public int compare(OsmPrimitive o1, OsmPrimitive o2) {
Index: /trunk/src/org/openstreetmap/josm/gui/tagging/presets/TaggingPresetMenu.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/tagging/presets/TaggingPresetMenu.java	(revision 15230)
+++ /trunk/src/org/openstreetmap/josm/gui/tagging/presets/TaggingPresetMenu.java	(revision 15231)
@@ -35,4 +35,5 @@
 
     private static class PresetTextComparator implements Comparator<JMenuItem>, Serializable {
+        private static final long serialVersionUID = 1L;
         @Override
         public int compare(JMenuItem o1, JMenuItem o2) {