It seems that this class was removed from the portal-common-lib.jar. Is there an alternative class or configuration to use? I get this error using the example in the user manual:
10:29:30,718 ERROR [MainDeployer] Could not create deployment: file:/C:/portal/jboss-portal/server/default/deploy/query-portlet.sar
org.jboss.deployment.DeploymentException: No ClassLoaders found for: org.jboss.portal.common.system.JBossServiceModelMBean; - nested throwable: (java.lang.ClassNotFoundException: No ClassLoaders found for: org.jboss.portal.common.system.JBossServiceModelMBean)
at org.jboss.system.ServiceConfigurator.install(ServiceConfigurator.java:196)
at org.jboss.system.ServiceController.install(ServiceController.java:226)
at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
