[starksm@banshee9100 build]$ wget http://www.jboss.org/j2ee/dtd/jboss-ds_1_0.dtd
Resolving www.jboss.org... 18.104.22.168
Connecting to www.jboss.org[22.214.171.124]:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 13,463 [text/plain]
100%[====================================>] 13,463 30.72K/s
21:58:50 (30.72 KB/s) - `jboss-ds_1_0.dtd' saved [13463/13463]
And is there a sophisticated configuration switch to tell JBoss not to fail when he can not resolve the URLs? That would make me feel much more safe when deploying to a production server or even just restarting the server... XML-validation is already done in dev-environment.