Hi, I'm trying to use JBoss 4.0.5.GA on an AIX server with IBM JRE 1.4.2 I get this exceptions at startup: | 2007-03-27 11:15:19,125 ERROR [org.jboss.xb.binding.Util] Failed to create schema loader. | java.lang.ClassCastException: org.apache.xerces.dom.DOMXSImplementationSourceImpl | at org.w3c.dom.bootstrap.DOMImplementationRegistry.newInstance(Unknown Source) | at org.jboss.xb.binding.Util$5.run(Util.java:512) | at java.security.AccessController.doPrivileged1(Native Method) | at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code)) | at org.jboss.xb.binding.Util.getXSImplementation(Util.java:488) | at org.jboss.xb.binding.Util.loadSchema(Util.java:387) | at org.jboss.Main$1.run(Main.java:490) | ... | at java.lang.Thread.run(Thread.java:570) | 2007-03-27 11:15:19,139 INFO [org.jboss.system.ServiceConfigurator] Problem configuring service jboss.web:service=WebServer | org.jboss.xb.binding.JBossXBException: Failed to parse source: Failed to create schema loader: org.apache.xerces.dom.DOMXSImplementationSourceImpl | at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.parse(SaxJBossXBParser.java:170) | at org.jboss.xb.binding.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:140) | at org.jboss.system.ServiceConfigurator.parseJbxbSerialData(ServiceConfigurator.java:643) | at org.jboss.system.ServiceConfigurator.configure(ServiceConfigurator.java:327) | at org.jboss.system.ServiceConfigurator.internalInstall(ServiceConfigurator.java:460) | at org.jboss.system.ServiceConfigurator.install(ServiceConfigurator.java:171) | at org.jboss.system.ServiceController.install(ServiceController.java:226) | ... | at org.jboss.Main$1.run(Main.java:490) | at java.lang.Thread.run(Thread.java:570) | Caused by: java.lang.IllegalStateException: Failed to create schema loader: org.apache.xerces.dom.DOMXSImplementationSourceImpl | at org.jboss.xb.binding.Util$5.run(Util.java:518) | at java.security.AccessController.doPrivileged1(Native Method) | at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code)) | at org.jboss.xb.binding.Util.getXSImplementation(Util.java:488) | at org.jboss.xb.binding.Util.loadSchema(Util.java:387) | at org.jboss.xb.binding.sunday.unmarshalling.XsdBinder.bind(XsdBinder.java:166) | at org.jboss.xb.binding.sunday.unmarshalling.XsdBinder.bind(XsdBinder.java:137) | at org.jboss.xb.binding.sunday.unmarshalling.DefaultSchemaResolver.resolve(DefaultSchemaResolver.java:248) | at org.jboss.xb.binding.sunday.unmarshalling.SundayContentHandler.startElement(SundayContentHandler.java:162) | at org.jboss.xb.binding.parser.sax.SaxJBossXBParser$DelegatingContentHandler.startElement(SaxJBossXBParser.java:301) | at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source) | at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source) | at org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown Source) | at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) | at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) | at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) | at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) | at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) | at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) | at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.parse(SaxJBossXBParser.java:166) | ... 89 more | No problems with: - JBoss 3.2.1 with same AIX server and same JRE - JBoss 4.0.5 GA on Windows XP with JDK 1.4.2 I noticed that the IBM JRE 1.4 has a file <JAVA INSTALLATION DIR>/jre/lib/xml.jar and I think that it could be the reason of the ClassCastException, with a clash between that jar file and JBOSS/lib/endorsed/xercesImpl.jar Am I correct? How can I solve this problem? Thanks in advance, Andrea View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4031965#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...