I am using tomcat embedded in jboss.  I've enabled http session
clustering in the default configuration by copying cluster-service.xml,
and jbossha-httpsession.sar to default/deploy and javagroups.jar to
default/lib.

When I set an attribute like a String into the session, things are
working correctly.  Boxes can join the cluster and others can leave and
things seem to cluster correctly.  However, I have one bean that will
not cluster.  When I create this bean and add it to the session I get
the error below.

I'm using
jboss 3.2RC2/tomcat 4.1.18 
sun-jdk 1.4.1_01 on linux.

Any thoughts on the below error?

TIA
-Dennis

javax.ejb.EJBException: java.lang.ClassNotFoundException:
registration.RegisterForm (no security manager: RMI class loader
disabled)
        at
org.jboss.ha.httpsession.beanimpl.ejb.ClusteredHTTPSessionBeanImpl.unserializeSession(ClusteredHTTPSessionBeanImpl.java:139)
        at
org.jboss.ha.httpsession.beanimpl.ejb.ClusteredHTTPSessionBeanImpl.getSession(ClusteredHTTPSessionBeanImpl.java:79)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at
org.jboss.ejb.EntityContainer$ContainerInterceptor.invoke(EntityContainer.java:1044)   
     at 
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke(EntitySynchronizationInterceptor.java:330)
        at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityInstanceInterceptor.java:174)
        at
org.jboss.ejb.plugins.EntityLockInterceptor.invoke(EntityLockInterceptor.java:107)
        at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:208)
        at
org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:154)
        at
org.jboss.ejb.EntityContainer.internalInvoke(EntityContainer.java:483)
        at org.jboss.ejb.Container.invoke(Container.java:652)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
        at
org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
        at
org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:101)
        at
org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:88)
        at
org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:77)
        at
org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:80)
        at
org.jboss.proxy.ejb.EntityInterceptor.invoke(EntityInterceptor.java:112)
        at
org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:82)
        at $Proxy38.getSession(Unknown Source)
        at
org.jboss.ha.httpsession.server.ClusteredHTTPSessionService.getHttpSession(ClusteredHTTPSessionService.java:132)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
        at
org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
        at org.jboss.util.jmx.MBeanProxy.invoke(MBeanProxy.java:174)
        at $Proxy37.getHttpSession(Unknown Source)




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