Index: trunk/src/org/openstreetmap/josm/gui/io/importexport/OsmExporter.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/io/importexport/OsmExporter.java	(revision 14295)
+++ trunk/src/org/openstreetmap/josm/gui/io/importexport/OsmExporter.java	(revision 14296)
@@ -101,5 +101,5 @@
                     MainApplication.getMainFrame(),
                     tr("<html>An error occurred while saving.<br>Error is:<br>{0}</html>",
-                            Utils.escapeReservedCharactersHTML(e.getMessage())),
+                            Utils.escapeReservedCharactersHTML(e.getClass().getSimpleName() + " - " + e.getMessage())),
                     tr("Error"),
                     JOptionPane.ERROR_MESSAGE
