apache-commons-digester

I have to use commons-digester.jar for processing xml files in android actually this was open source program that uses commons-digester.jar for xml processing in Java and I need to change it to support Android but this error happens : Digester.getParser: java.lang.UnsupportedOperationException: This parser does not support specification "Unknown" version "0.0" java.lang.NullPointerException 03-29 11:24:02.590: W/System.err(17018): at org.apache.commons.digester3.Digester.getXMLReader(Digester.java:790) 03-29 11:24:02.590: W/System.err(17018): at org.apache.commons.digester3.Digester.parse

I am building a Struts2 web application which uses tiles however I have discovered a quite frustrating problem where if apache.org is down (which seems to happen quite regularly) the web application fails to start. This is because in its standard setup the StrutsTilesListener tries to load the tiles defenitions file which includes a DOCTYPE with a public-id which points to a DTD located on tiles.apache.org. When the application starts up the definition file is loaded using Apache Xerces via Apache Commons Digester which tries to load the DTD from tiles.apache.org but if apache.org is down then