src/windows/classes/sun/print/Win32PrintService.java

@@ -1583,11 +1583,11 @@
     public AttributeSet getUnsupportedAttributes(DocFlavor flavor,
                                                  AttributeSet attributes) {
 
         if (flavor != null && !isDocFlavorSupported(flavor)) {
             throw new IllegalArgumentException("flavor " + flavor +
-                                               "is not supported");
+                                               " is not supported");
         }
 
         if (attributes == null) {
             return null;
         }