Session Dump example produces an exception with 6.0.0rc3

The example Session Dump servlet produces an exception

Accessing:

http://<jetty server>:8080/test/session/

after an initial unpack of the .zip produces the following:

HTTP ERROR: 500

com.acme.Counter

RequestURI=/test/session/

Powered by Jetty://
Caused by:

java.lang.ClassCastException: com.acme.Counter
at com.acme.SessionDump.doGet(SessionDump.java:117)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:443)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1050)
at com.acme.TestFilter.doFilter(TestFilter.java:69)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1041)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:354)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:179)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:226)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:615)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:149)
at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:123)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:141)
at org.mortbay.jetty.Server.handle(Server.java:269)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:430)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:678)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:492)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:199)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:339)
at org.mortbay.jetty.nio.HttpChannelEndPoint.run(HttpChannelEndPoint.java:270)
at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475)

Hardly a release show-stopper