Deleting a connection causes a 404 in ConnectionManager

Doing:
http --auth admin:admin delete 'http://localhost:8080/controller/nb/v2/connectionmanager/node/OF/00:00:00:00:00:00:00:02

Causes:
HTTP/1.1 404 Not Found
Cache-Control: private
Content-Type: text/plain
Date: Mon, 20 Jan 2014 12:57:48 GMT
Expires: Thu, 01 Jan 1970 00:00:00 UTC
Server: Apache-Coyote/1.1
Set-Cookie: JSESSIONIDSSO=7DE63FC32E114EE977ED1FE18C0A20B5; Path=/
Set-Cookie: JSESSIONID=B1232A7CBA779D4714BC775C4A9EB1B8; Path=/
Transfer-Encoding: chunked

Type of incoming object:class java.lang.String not compatible with expected type:class java.lang.Long