Hi, I'm currently trying to run a web application on JBoss 5.1. This web app is running fine on Apache Geronimo 2.1.4. I have added the jboss specific configuration files : jboss-web.xml to declare security configuration and I have added the needed realm and datasource. This web app contains quite a lot of libraries : spring, hibernate, solr ... for about 70 Mbytes. I get the following error when I deploy it : ERROR [JBossContextConfig] XML error parsing: jboss.web/localhost/context.xml.default org.jboss.xb.binding.JBossXBRuntimeException: Failed to create a new SAX parser ... Caused by: javax.xml.parsers.ParserConfigurationException: Feature 'http://apache.org/xml/features/xinclude' is not recognized. at org.apache.xerces.jaxp.SAXParserFactoryImpl.newSAXParser(Unknown Source) at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.(SaxJBossXBParser.java:92) ... 98 more I have not provided any context.xml file. From the messages I have read, it seems to be a kind of configuration conflict ? How to solve this ? Best regards, Eric View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4237509#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...