Index: java/org/apache/catalina/connector/Request.java
===================================================================
--- java/org/apache/catalina/connector/Request.java	(revision 1710467)
+++ java/org/apache/catalina/connector/Request.java	(working copy)
@@ -1583,10 +1583,6 @@
             return;
         }
 
-        // Ensure that the specified encoding is valid
-        byte buffer[] = new byte[1];
-        buffer[0] = (byte) 'a';
-
         // Confirm that the encoding name is valid
         B2CConverter.getCharset(enc);