--- a/jdk/src/share/classes/sun/net/smtp/SmtpClient.java	Tue Aug 30 14:41:12 2011 +0100
+++ b/jdk/src/share/classes/sun/net/smtp/SmtpClient.java	Tue Aug 30 11:53:11 2011 -0700
@@ -134,7 +134,7 @@
         try {
             message = new SmtpPrintStream(serverOutput, this);
         } catch (UnsupportedEncodingException e) {
-            throw new InternalError(encoding+" encoding not found");
+            throw new InternalError(encoding+" encoding not found", e);
         }
         return message;
     }