Hi, I am using JBOSS-4.0.2 server for my J2EE application deployment. When i run the Jboss server, i am getting an Exception "[org.jboss.web.tomcat.tc5.TomcatDeployer] Unable to retrieve orbjavax.management.InstanceNotFoundException: jboss:service=CorbaORB is not registered." at the startup. Please let me know what is the root cause for this exception and how to resolve this? Below is the start up log for your reference 2008-09-15 21:16:58,192 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] AbstractWebContainer.parseWebAppDescriptors, Begin 2008-09-15 21:16:58,192 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] Creating ENC using ClassLoader: java.net.FactoryURLClassLoader@173eca6 2008-09-15 21:16:58,192 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] ..org.jboss.mx.loading.UnifiedClassLoader3@e0e515{ url=file:/D:/programs/jboss/server/default/deploy/http-invoker.sar/ ,addedOrder=8} 2008-09-15 21:16:58,192 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] ..org.jboss.system.server.NoAnnotationURLClassLoader@4a5ab2 2008-09-15 21:16:58,192 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] ..sun.misc.Launcher$AppClassLoader@e80a59 2008-09-15 21:16:58,192 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] ..sun.misc.Launcher$ExtClassLoader@1ff5ea7 2008-09-15 21:16:58,224 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] Unable to retrieve orbjavax.management.InstanceNotFoundException: jboss:service=CorbaORB is not registered. 2008-09-15 21:16:58,224 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] Linked java:comp/UserTransaction to JNDI name: UserTransaction 2008-09-15 21:16:58,224 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] addEnvEntries 2008-09-15 21:16:58,224 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] linkResourceEnvRefs 2008-09-15 21:16:58,224 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] linkResourceRefs 2008-09-15 21:16:58,224 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] linkMessageDestinationRefs 2008-09-15 21:16:58,224 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] linkEjbRefs 2008-09-15 21:16:58,224 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] linkEjbLocalRefs 2008-09-15 21:16:58,224 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] linkServiceRefs 2008-09-15 21:16:58,239 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] linkSecurityDomain 2008-09-15 21:16:58,239 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] Linking security/securityMgr to JNDI name: java:/jaas/jmx-console 2008-09-15 21:16:58,239 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] AbstractWebContainer.parseWebAppDescriptors, End 2008-09-15 21:16:58,286 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] Using session cookies default setting 2008-09-15 21:16:58,458 INFO [org.apache.catalina.loader.WebappLoader] Dual registration of jndi stream handler: factory already defined 2008-09-15 21:16:58,708 DEBUG [org.jboss.web.tomcat.filters.ReplyHeaderFilter] Adding header name: X-Powered-By='Servlet 2.4; JBoss-4.0.2 (build: CVSTag=JBoss_4_0_2 date=200505022023)/Tomcat-5.5' 2008-09-15 21:16:58,771 DEBUG [org.jboss.invocation.http.servlet.InvokerServlet] localInvokerName=jboss:service=invoker,type=http 2008-09-15 21:16:59,005 DEBUG [org.jboss.web.tomcat.tc5.TomcatDeployer] Initialized: {WebApplication: /D:/programs/jboss/server/default/deploy/http-invoker.sar/invoker.war/, URL: file:/D:/programs/jboss/server/default/deploy/http-invoker.sar/invoker.war/, classLoader: java.net.FactoryURLClassLoader@173eca6:24374438} jboss.web:J2EEApplication=none,J2EEServer=none,j2eeType=WebModule,name=//localhost/invoker 2008-09-15 21:16:59,005 DEBUG [org.jboss.web.WebModule] Started jboss.web.deployment:id=1058994782,war=invoker.war Thanks in advance Regards, Bhaskar.B View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4183434#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...