javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file:  java.naming.factory.initial
	at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:650)
	at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:250)
	at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:287)
	at javax.naming.InitialContext.listBindings(InitialContext.java:403)
	at EnvEntrySnoop.doGet(EnvEntrySnoop.java:17)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:358)
	at org.mortbay.jetty.servlet.Invoker.service(Invoker.java:184)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:358)
	at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567)
	at org.mortbay.http.HttpContext.handle(HttpContext.java:1807)
	at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:525)
	at org.mortbay.http.HttpContext.handle(HttpContext.java:1757)
	at org.mortbay.http.HttpServer.service(HttpServer.java:879)
	at org.mortbay.http.HttpConnection.service(HttpConnection.java:790)
	at org.mortbay.http.ajp.AJP13Connection.handleNext(AJP13Connection.java:273)
	at org.mortbay.http.HttpConnection.handle(HttpConnection.java:807)
	at org.mortbay.http.ajp.AJP13Listener.handleConnection(AJP13Listener.java:199)
	at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:276)
	at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:511)