private FactoryRPs _queryOnce() throws Exception {
// return the entire RP document
final String queryStr = "/";
final QueryResourceProperties_Element query =
new QueryResourceProperties_Element();
query.setQueryExpression(
createQueryExpression(WSRFConstants.XPATH_1_DIALECT,
queryStr));
final QueryResourcePropertiesResponse resp =
((WorkspaceFactoryPortType)this.portType).