Index: /applications/editors/josm/plugins/importvec/src/org/openstreetmap/josm/plugins/importvec/ImportVectorAction.java
===================================================================
--- /applications/editors/josm/plugins/importvec/src/org/openstreetmap/josm/plugins/importvec/ImportVectorAction.java	(revision 23714)
+++ /applications/editors/josm/plugins/importvec/src/org/openstreetmap/josm/plugins/importvec/ImportVectorAction.java	(revision 23715)
@@ -8,4 +8,5 @@
 import java.awt.geom.Point2D;
 import java.awt.geom.Rectangle2D;
+import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileInputStream;
@@ -34,4 +35,5 @@
 import org.openstreetmap.josm.io.OsmTransferException;
 import org.openstreetmap.josm.tools.Shortcut;
+import org.xml.sax.EntityResolver;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
@@ -203,4 +205,10 @@
                     XMLReader rdr = XMLReaderFactory.createXMLReader();
                     rdr.setContentHandler(loader);
+                    rdr.setEntityResolver(new EntityResolver() {
+                                public InputSource resolveEntity(String publicId, String systemId) {
+                                    //Ignore all DTDs
+                                    return new InputSource(new ByteArrayInputStream(new byte[0]));
+                                }
+                            });
                     FileInputStream in = new FileInputStream(f);
                     try {