Hi
when deploying my war which deploys with no errors on 4.0.5 I got in 5.0.1

00:41:28,314 ERROR [AbstractKernelController] Error installing to Configured: name=jboss.web.deployment:war=/WebModule state=Instantiated mode=Manual requiredState=Configured
java.lang.RuntimeException: Exception setting attribute Kernel on mbean jboss.web.deployment:war=/WebModule
at org.jboss.system.ServiceConfigurator.configure(ServiceConfigurator.java:170)
at org.jboss.system.ServiceConfigurator.configure(ServiceConfigurator.java:114)
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)
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)
at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
at org.jboss.system.ServiceController.doChange(ServiceController.java:688)
at org.jboss.system.ServiceController.install(ServiceController.java:274)
at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:90)
at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46)
at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)
at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)
at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178)
at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)
at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)
at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)
at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:698)
at org.jboss.system.server.profileservice.ProfileServiceBootstrap.loadProfile(ProfileServiceBootstrap.java:304)
at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:205)
at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:405)
at org.jboss.Main.boot(Main.java:209)
at org.jboss.Main$1.run(Main.java:547)
at java.lang.Thread.run(Thread.java:619)
Caused by: javax.management.InvalidAttributeValueException: Set attribute has class class org.jboss.kernel.Kernel loaded from org.jboss.system.NoAnnotationURLClassLoader@1827284 that is not assignable to attribute class class org.jboss.kernel.Kernel loaded from BaseClassLoader@55ee75{vfszip:/C:/ProgramFiles/jboss/server/fw/deploy/WebModule.war/}
at org.jboss.mx.interceptor.ModelMBeanAttributeInterceptor.checkAssignable(ModelMBeanAttributeInterceptor.java:229)
at org.jboss.mx.interceptor.ModelMBeanAttributeInterceptor.invoke(ModelMBeanAttributeInterceptor.java:88)
at org.jboss.mx.interceptor.PersistenceInterceptor.invoke(PersistenceInterceptor.java:76)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:90)
at org.jboss.mx.server.AbstractMBeanInvoker.setAttribute(AbstractMBeanInvoker.java:461)
at org.jboss.mx.server.MBeanServerImpl.setAttribute(MBeanServerImpl.java:617)
at org.jboss.system.ServiceConfigurator.configure(ServiceConfigurator.java:166)
... 40 more
00:41:28,484 ERROR [AbstractKernelController] Error installing to Real: name=vfszip:/C:/ProgramFiles/jboss/server/fw/deploy/WebModule.war/ state=PreReal mode=Manual requiredState=Real
org.jboss.deployers.spi.DeploymentException: Error deploying: jboss.web.deployment:war=/WebModule
at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49)
at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:118)
at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46)
at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)
at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)
at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178)
at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)
at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)
at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)
at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:698)
at org.jboss.system.server.profileservice.ProfileServiceBootstrap.loadProfile(ProfileServiceBootstrap.java:304)
at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:205)
at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:405)
at org.jboss.Main.boot(Main.java:209)
at org.jboss.Main$1.run(Main.java:547)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.RuntimeException: Exception setting attribute Kernel on mbean jboss.web.deployment:war=/WebModule
at org.jboss.system.ServiceConfigurator.configure(ServiceConfigurator.java:170)
at org.jboss.system.ServiceConfigurator.configure(ServiceConfigurator.java:114)
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)
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)
at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
at org.jboss.system.ServiceController.doChange(ServiceController.java:688)
at org.jboss.system.ServiceController.install(ServiceController.java:274)
at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:90)
... 23 more
Caused by: javax.management.InvalidAttributeValueException: Set attribute has class class org.jboss.kernel.Kernel loaded from org.jboss.system.NoAnnotationURLClassLoader@1827284 that is not assignable to attribute class class org.jboss.kernel.Kernel loaded from BaseClassLoader@55ee75{vfszip:/C:/ProgramFiles/jboss/server/fw/deploy/WebModule.war/}
at org.jboss.mx.interceptor.ModelMBeanAttributeInterceptor.checkAssignable(ModelMBeanAttributeInterceptor.java:229)
at org.jboss.mx.interceptor.ModelMBeanAttributeInterceptor.invoke(ModelMBeanAttributeInterceptor.java:88)
at org.jboss.mx.interceptor.PersistenceInterceptor.invoke(PersistenceInterceptor.java:76)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:90)
at org.jboss.mx.server.AbstractMBeanInvoker.setAttribute(AbstractMBeanInvoker.java:461)
at org.jboss.mx.server.MBeanServerImpl.setAttribute(MBeanServerImpl.java:617)
at org.jboss.system.ServiceConfigurator.configure(ServiceConfigurator.java:166)
... 40 more

I could google for any similar error in 5.0.1
please help !