Of course, it is ok to fail if the target or instance interceptor is not serializable. :-)
I thought I already did this?
Maybe it has become broken with Kabir's recent changes?
See the new org.jboss.test.proxyfactory.SerializeTestCase
I think it has been done for org.jboss.aop.proxy, but not org.jboss.aop.proxy.container
I will add this