* @param cm the <code>ContextManager</code>
*/
public void engineStart( ContextManager cm ) throws TomcatException {
if( debug > 0)
log("Setting URLStreamHandlerFactory");
StreamHandlerFactory shf = new StreamHandlerFactory();
try {
URL.setURLStreamHandlerFactory(shf);
} catch(Throwable thr) {
// Most likely, because the factory is already set.
log("Unable to set Factory",thr);