--- old/src/macosx/classes/sun/lwawt/macosx/CPlatformResponder.java	2012-09-19 14:18:42.000000000 +0400
+++ new/src/macosx/classes/sun/lwawt/macosx/CPlatformResponder.java	2012-09-19 14:18:41.000000000 +0400
@@ -160,6 +160,9 @@
 
             if(isDeadChar){
                 testChar = (char) out[2];
+                if(testChar == 0){
+                    return;
+                }
             }
 
             jkeyCode = out[0];