I have a Struts 1.3.8 and EJB 3.0 application which works just fine in JBoss 4.2.3 but JBoss 5.0.0.CR2 gives many errors when I deploy the EAR (and make the necessary changes to the default configuration):

2008-09-22 11:43:45,546 DEBUG [org.jboss.web.tomcat.service.deployers.TomcatDeployment] (main) Unable to retrieve orb
javax.management.InstanceNotFoundException: jboss:service=CorbaORB is not registered.
at org.jboss.mx.server.registry.BasicMBeanRegistry.get(BasicMBeanRegistry.java:529)
at org.jboss.mx.server.MBeanServerImpl.getAttribute(MBeanServerImpl.java:559)
at org.jboss.web.tomcat.service.deployers.TomcatDeployment$EncListener.lifecycleEvent(TomcatDeployment.java:508)

2008-09-22 11:43:47,265 DEBUG [org.jboss.messaging.core.impl.JDBCSupport] (main) Failed to execute: CREATE TABLE JBM_USER (USER_ID VARCHAR(32) NOT NULL, PASSWD VARCHAR(32) NOT NULL, CLIENTID VARCHAR(128), PRIMARY KEY(USER_ID))
java.sql.SQLException: Table already exists: JBM_USER in statement [CREATE TABLE JBM_USER]
at org.hsqldb.jdbc.Util.sqlException(Unknown Source)
at org.hsqldb.jdbc.jdbcStatement.fetchResult(Unknown Source)
at org.hsqldb.jdbc.jdbcStatement.executeUpdate(Unknown Source)
at org.jboss.resource.adapter.jdbc.WrappedStatement.executeUpdate(WrappedStatement.java:249)
at org.jboss.messaging.core.impl.JDBCSupport.createSchema(JDBCSupport.java:301)
at org.jboss.messaging.core.impl.JDBCSupport.start(JDBCSupport.java:167)
at org.jboss.jms.server.plugin.JDBCJMSUserManager.start(JDBCJMSUserManager.java:98)
at org.jboss.jms.server.plugin.JDBCJMSUserManagerService.startService(JDBCJMSUserManagerService.java:78)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:376)
at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:269)

2008-09-22 11:43:54,296 INFO [org.hibernate.connection.ConnectionProviderFactory] (main) Initializing connection provider: org.hibernate.ejb.connection.InjectedDataSourceConnectionProvider
2008-09-22 11:43:54,296 INFO [org.hibernate.ejb.connection.InjectedDataSourceConnectionProvider] (main) Using provided datasource
2008-09-22 11:43:54,296 DEBUG [org.jboss.util.NestedThrowable] (main) org.jboss.util.NestedThrowable.parentTraceEnabled=true
2008-09-22 11:43:54,296 DEBUG [org.jboss.util.NestedThrowable] (main) org.jboss.util.NestedThrowable.nestedTraceEnabled=false
2008-09-22 11:43:54,296 DEBUG [org.jboss.util.NestedThrowable] (main) org.jboss.util.NestedThrowable.detectDuplicateNesting=true
2008-09-22 11:43:54,296 WARN [org.jboss.resource.connectionmanager.JBossManagedConnectionPool] (main) Throwable while attempting to get a new connection: null
org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (org.jboss.resource.JBossResourceException: Failed to register driver for: oracle.jdbc.driver.OracleDriver; - nested throwable: (java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver from BaseClassLoader@be4d44{VFSClassLoaderPolicy@1c2df08{name=vfszip:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear domain=ClassLoaderDomain@14562c5

{name=DefaultDomain parentPolicy=BEFORE parent=org.jboss.system.NoAnnotationURLClassLoader@1e13d52} roots=[MemoryContextHandler@12618553[path= context=vfsmemory://1l1k2t1k-f8xjnv-flewujwc-1-flewuvyt-1s real=vfsmemory://1l1k2t1k-f8xjnv-flewujwc-1-flewuvyt-1s], DelegatingHandler@16021684[path=myapplication.ear context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear], DelegatingHandler@2135767[path=myapplication.ear/myapplication-ejb.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplication-ejb.jar], DelegatingHandler@26153692[path=myapplication.ear/myapplicationFramework.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplicationFramework.jar], DelegatingHandler@2050852[path=myapplication.ear/myapplicationVO.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplicationVO.jar], DelegatingHandler@8271067[path=myapplication.ear/mysql-connector-java-5.1.6-bin.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/mysql-connector-java-5.1.6-bin.jar], DelegatingHandler@29371829[path=myapplication.ear/tibjms.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/tibjms.jar], DelegatingHandler@33093423[path=myapplication.ear/jakarta-oro-2.0.8.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/jakarta-oro-2.0.8.jar], DelegatingHandler@2904191[path=myapplication.ear/castor-1.1.1.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/castor-1.1.1.jar], ZipEntryHandler@22602435[path=myapplication.ear/myapplication-ejb.jar/config context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplication-ejb.jar/config]] delegates=null exported=[com.tibco.tibjms.naming, org.exolab.castor.jdo.oql, org.exolab.castor.util.dialog, org.exolab.castor.gui.images, org.exolab.castor.dsml.tools, com.mysql.jdbc, org.castor.persist.resolver, org.exolab.castor.xml.schema.reader, com.mysql.jdbc.util, org.exolab.castor.tools, org.castor.cache.simple, org.exolab.castor, com.mysql.jdbc.log, org.castor.transactionmanager, org.exolab.castor.xml.validators, org.gjt.mm.mysql, org.apache.oro.text.regex, com.tibco.tibjms, org.exolab.castor.types, org.exolab.castor.util.resources, org.castor.jdo.engine, org.apache.oro.util, org.apache.oro.text.perl, org.exolab.castor.dsml.mozilla, org.castor.cache.distributed, org.exolab.castor.xml.schema, com.tibco.tibjms.naming.tibjmsnaming, com.mysql.jdbc.configs, org.exolab.castor.persist, org.exolab.castor.core.exceptions, org.castor.jdo.conf, org.exolab.castor.net.util, org.exolab.castor.jdo.engine, org.exolab.castor.xml.schema.util, org.exolab.castor.mapping.loader, org.castor.util.concurrent, org.exolab.castor.jdo.drivers, org.castor, org.exolab.castor.xml.descriptors, org.exolab.castor.mapping.xml.types, org.exolab.castor.mapping.handlers, org.castor.jdo.util, com.mysql.jdbc.jdbc2.optional, org.exolab.castor.dsml, com.mysql.jdbc.profiler, org.exolab.castor.xml.schema.writer, org.exolab.castor.jdo.keygen, org.exolab.castor.xml.wls8, org.exolab.castor.dsml.jndi, com.mysql.jdbc.exceptions.jdbc4, org.exolab.castor.gui, org.castor.persist.cache, org.exolab.castor.xml.util, org.exolab.castor.util, org.exolab.castor.xml.dtd.parser, META-INF, org.exolab.castor.mapping, org.exolab.castor.xml.location, org.castor.cache.hashbelt, org.apache.oro.text, com.mysql.jdbc.exceptions, org.exolab.castor.xml, META-INF.services, org.exolab.castor.jdo, org.castor.cache.hashbelt.container, org.exolab.castor.persist.spi, org.exolab.castor.dtx, org.exolab.castor.xml.schema.simpletypes, org.castor.persist, org.apache.oro.text.awk, org.apache.oro.io, org.castor.cache, com.mysql.jdbc.integration.jboss, org.exolab.castor.xml.schema.simpletypes.factory, org.exolab.castor.xml.handlers, org.castor.jdo.drivers, org.exolab.castor.xml.dtd, com.mysql.jdbc.integration.c3p0, org.exolab.castor.net, org.castor.util, org.castor.cache.hashbelt.reaper, org.exolab.castor.dsml.schema, org.castor.mapping, org.castor.persist.proxy, org.exolab.castor.mapping.xml, com.mysql.jdbc.interceptors, ] <IMPORT-ALL>NON_EMPTY}}))
at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:225)
at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:195)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnectionEventListener(InternalManagedConnectionPool.java:611)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:257)
at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:607)
at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:354)
at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:381)
at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:409)
at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:854)
at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:89)
at org.hibernate.ejb.connection.InjectedDataSourceConnectionProvider.getConnection(InjectedDataSourceConnectionProvider.java:46)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:111)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2101)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1325)
at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669)
at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:132)
at org.jboss.jpa.deployment.PersistenceUnitDeployment.start(PersistenceUnitDeployment.java:281)
Caused by: java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver from BaseClassLoader@be4d44{VFSClassLoaderPolicy@1c2df08{name=vfszip:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear domain=ClassLoaderDomain@14562c5{name=DefaultDomain parentPolicy=BEFORE parent=org.jboss.system.NoAnnotationURLClassLoader@1e13d52}

roots=[MemoryContextHandler@12618553[path= context=vfsmemory://1l1k2t1k-f8xjnv-flewujwc-1-flewuvyt-1s real=vfsmemory://1l1k2t1k-f8xjnv-flewujwc-1-flewuvyt-1s], DelegatingHandler@16021684[path=myapplication.ear context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear], DelegatingHandler@2135767[path=myapplication.ear/myapplication-ejb.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplication-ejb.jar], DelegatingHandler@26153692[path=myapplication.ear/myapplicationFramework.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplicationFramework.jar], DelegatingHandler@2050852[path=myapplication.ear/myapplicationVO.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplicationVO.jar], DelegatingHandler@8271067[path=myapplication.ear/mysql-connector-java-5.1.6-bin.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/mysql-connector-java-5.1.6-bin.jar], DelegatingHandler@29371829[path=myapplication.ear/tibjms.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/tibjms.jar], DelegatingHandler@33093423[path=myapplication.ear/jakarta-oro-2.0.8.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/jakarta-oro-2.0.8.jar], DelegatingHandler@2904191[path=myapplication.ear/castor-1.1.1.jar context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/castor-1.1.1.jar], ZipEntryHandler@22602435[path=myapplication.ear/myapplication-ejb.jar/config context=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/ real=file:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplication-ejb.jar/config]] delegates=null exported=[com.tibco.tibjms.naming, org.exolab.castor.jdo.oql, org.exolab.castor.util.dialog, org.exolab.castor.gui.images, org.exolab.castor.dsml.tools, com.mysql.jdbc, org.castor.persist.resolver, org.exolab.castor.xml.schema.reader, com.mysql.jdbc.util, org.exolab.castor.tools, org.castor.cache.simple, org.exolab.castor, com.mysql.jdbc.log, org.castor.transactionmanager, org.exolab.castor.xml.validators, org.gjt.mm.mysql, org.apache.oro.text.regex, com.tibco.tibjms, org.exolab.castor.types, org.exolab.castor.util.resources, org.castor.jdo.engine, org.apache.oro.util, org.apache.oro.text.perl, org.exolab.castor.dsml.mozilla, org.castor.cache.distributed, org.exolab.castor.xml.schema, com.tibco.tibjms.naming.tibjmsnaming, com.mysql.jdbc.configs, org.exolab.castor.persist, org.exolab.castor.core.exceptions, org.castor.jdo.conf, org.exolab.castor.net.util, org.exolab.castor.jdo.engine, org.exolab.castor.xml.schema.util, org.exolab.castor.mapping.loader, org.castor.util.concurrent, org.exolab.castor.jdo.drivers, org.castor, org.exolab.castor.xml.descriptors, org.exolab.castor.mapping.xml.types, org.exolab.castor.mapping.handlers, org.castor.jdo.util, com.mysql.jdbc.jdbc2.optional, org.exolab.castor.dsml, com.mysql.jdbc.profiler, org.exolab.castor.xml.schema.writer, org.exolab.castor.jdo.keygen, org.exolab.castor.xml.wls8, org.exolab.castor.dsml.jndi, com.mysql.jdbc.exceptions.jdbc4, org.exolab.castor.gui, org.castor.persist.cache, org.exolab.castor.xml.util, org.exolab.castor.util, org.exolab.castor.xml.dtd.parser, META-INF, org.exolab.castor.mapping, org.exolab.castor.xml.location, org.castor.cache.hashbelt, org.apache.oro.text, com.mysql.jdbc.exceptions, org.exolab.castor.xml, META-INF.services, org.exolab.castor.jdo, org.castor.cache.hashbelt.container, org.exolab.castor.persist.spi, org.exolab.castor.dtx, org.exolab.castor.xml.schema.simpletypes, org.castor.persist, org.apache.oro.text.awk, org.apache.oro.io, org.castor.cache, com.mysql.jdbc.integration.jboss, org.exolab.castor.xml.schema.simpletypes.factory, org.exolab.castor.xml.handlers, org.castor.jdo.drivers, org.exolab.castor.xml.dtd, com.mysql.jdbc.integration.c3p0, org.exolab.castor.net, org.castor.util, org.castor.cache.hashbelt.reaper, org.exolab.castor.dsml.schema, org.castor.mapping, org.castor.persist.proxy, org.exolab.castor.mapping.xml, com.mysql.jdbc.interceptors, ] <IMPORT-ALL>NON_EMPTY}}
at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:242)
at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.getDriver(LocalManagedConnectionFactory.java:474)

2008-09-22 11:43:56,718 WARN [org.jboss.wsf.container.jboss50.deployer.JAXWSDeployerHookPreJSE] (main) Cannot load servlet class: org.apache.struts.action.ActionServlet

2008-09-22 11:44:03,031 ERROR [org.jboss.kernel.plugins.dependency.AbstractKernelController] (main) Error installing to Configured: name=jboss.jacc:id="vfszip:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplication-ejb.jar",parent="myapplication.ear",service=jacc state=Instantiated mode=Manual requiredState=Configured
org.jboss.deployment.DeploymentException: No Attribute found with name: PolicyConfigurationFacadeMBean for jboss.jacc:service=jacc,id="vfszip:/C:/Programme/jboss-5.0.0.CR2/server/default/deploy/myapplication.ear/myapplication-ejb.jar",parent="myapplication.ear", attributes: [JaccContextID, PolicyConfiguration]
at org.jboss.system.ServiceConfigurator.configure(ServiceConfigurator.java:127)
at org.jboss.system.ServiceConfigurator.configure(ServiceConfigurator.java:99)
at org.jboss.system.microcontainer.ConfigureAction.installAction(ConfigureAction.java:58)
at org.jboss.system.microcontainer.ConfigureAction.installAction(ConfigureAction.java:42)
at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62)
at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71)
at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51)
at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:286)