I clicked on

https://hudson.dev.java.net/hudson.jnlp

and accepted the security certificate. I was greeted with a window containing:

[Winstone 2008/09/04 13:45:29] - Beginning extraction from war file
[Winstone 2008/09/04 13:45:29] - Container startup failed

winstone.WinstoneException: The warfile supplied is unavailable or invalid
(/home/jglick)
at winstone.HostConfiguration.getWebRoot(HostConfiguration.java:214)
at winstone.HostConfiguration.<init>(HostConfiguration.java:73)
at winstone.HostGroup.initHost(HostGroup.java:85)
at winstone.HostGroup.<init>(HostGroup.java:45)
at winstone.Launcher.<init>(Launcher.java:196)
at winstone.Launcher.main(Launcher.java:391)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at Main.main(Main.java:69)
at JNLPMain.main(JNLPMain.java:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.javaws.Launcher.executeApplication(Launcher.java:1293)
at com.sun.javaws.Launcher.executeMainClass(Launcher.java:1239)
at com.sun.javaws.Launcher.doLaunchApp(Launcher.java:1086)
at com.sun.javaws.Launcher.run(Launcher.java:105)
at java.lang.Thread.run(Thread.java:619)