Returns the deployment descriptor of the web application.
The parsed deployment descriptor throws: IOException - If there was a problem reading the deploymentdescriptor in the EAR throws: SAXException - If the deployment descriptor of the EAR could notbe parsed throws: ParserConfigurationException - If there is an XML parserconfigration problem
Returns the web-app archive stored in the EAR with the specified URI.
Parameters: theUri - The URI of the web module The web-app archive, or null if no WAR was found atthe specified URI throws: IOException - If there was an errors reading from the EAR or WAR