Now I patched "JBossXSEntityResolver" - it seems to work ;) @@ -164,6 +164,7 @@ private XMLInputSource getXMLInputSource(InputSource inputSource, XMLResourceIdentifier resId) { + if (inputSource == null) return null; String encoding = inputSource.getEncoding(); InputStream byteStream = inputSource.getByteStream(); return new XMLInputSource(resId.getPublicId(), resId.getExpandedSystemId(), resId.getBaseSystemId(), byteStream, encoding); View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4153883#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...