--- old/src/java.desktop/share/classes/sun/font/StandardGlyphVector.java	2014-08-21 20:51:29.000000000 +0800
+++ new/src/java.desktop/share/classes/sun/font/StandardGlyphVector.java	2014-08-21 20:51:28.000000000 +0800
@@ -1894,9 +1894,9 @@
             }
         }
         catch(Exception e) {
-            buf.append(" " + e.getMessage());
+            buf.append(' ').append(e.getMessage());
         }
-        buf.append("}");
+        buf.append('}');
 
         return buf;
     }