ClassiCube

it lets me login like i would play i go to join a server, and it says that java denys it? why cant i join? can anyone help me? This is the error i get

Java Plug-in 10.25.2.17 Using JRE version 1.7.0_25-b17 Java HotSpot(TM) Client VM User home directory = C:\Users\austinrules100

c: clear console window f: finalize objects on finalization queue g: garbage collect h: display this help message l: dump classloader list m: print memory usage o: trigger logging q: hide console r: reload policy configuration s: dump system and deployment properties t: dump thread list v: dump thread stack x: clear classloader cache 0-5: set trace level to <n>

Missing Codebase manifest attribute for: http://static.classicube.net/client/lwjgl_util_applet.jar Missing Codebase manifest attribute for: http://static.classicube.net/client/lwjgl_util_applet.jar