Ticket #672: josm-oom-message.diff

home/dnaber/workspace/JOSM/src/org/openstreetmap/josm/tools/BugReportExceptionHandler.java

@@ -43 +43 @@
                 if (Main.parent != null) {
                         if (e instanceof OutOfMemoryError) {
                                 // do not translate the string, as translation may raise an exception
-                                JOptionPane.showMessageDialog(Main.parent, "You are out of memory. Strange things may happen.\nPlease restart JOSM and load smaller data sets.");
+                                JOptionPane.showMessageDialog(Main.parent, "JOSM is out of memory. " + 
+                                                "Strange things may happen.\nPlease restart JOSM with the -Xmx###M option,\n" +
+                                                "where ### is the the number of MB assigned to JOSM (e.g. 256).\n" +
+                                                "Currently, " + Runtime.getRuntime().maxMemory()/1000/1000 + " MB are available to JOSM.");
                                 return;
                         }