Critical error - bug report

Time approx. 19:19 EST - 18 January 2011

I don't understand anything about this, but I am reporting it as requested. First unicorn said my site was unknown ("Unknown host: www.roangelo.net."), but then when I tried again immediately after that message, unicorn did the validation as it normally does.
......

A critical error has occurred. Below is a stack trace from Unicorn, please copy and submit in a bug report to help us solve the problem.
class java.io.IOException
Server returned HTTP response code: 503 for URL: http://validator.w3.org/feed/check.cgi?url=http%3A%2F%2Fwww.roangelo.net%2Flogwitt%2Flogwit74.html&output=ucn
sun.reflect.GeneratedConstructorAccessor32.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
sun.net.www.protocol.http.HttpURLConnection$6.run(HttpURLConnection.java:1496)
java.security.AccessController.doPrivileged(Native Method)
sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1490)
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1144)
org.w3c.unicorn.request.URIRequest.doRequest(URIRequest.java:141)
org.w3c.unicorn.RequestThread.run(RequestThread.java:67)


      

Received on Wednesday, 19 January 2011 08:08:14 UTC