Does a java SAX parser actually retrieve the DTD from the internet?

Question

With an XML file that declares a DOCTYPE, take the struts.xml file for instance:

Does the Java SAX processing actually go get the dtd from the provided URL?

Answer 1

Many (most) implementations will, even though technically, if I remember correctly, the location is meant to be interpreted as a URI, not URL.

If you want to be sure to resolve it locally, take a look at the EntityResolver interface.