test402Compatibility fails. I don't understand how the same test passes with jdk1.4. Is the serialVersionGUID computed differently?

Failure Failures on SerialVersionComparisson:javax.enterprise.deploy.spi.status.ProgressEvent, javax.management.loading.MLet, javax.resource.ResourceException, javax.resource.spi.ConnectionEvent, javax.resource.spi.InvalidPropertyException, javax.resource.spi.work.WorkEvent, javax.security.jacc.EJBMethodPermission, javax.security.jacc.EJBRoleRefPermission, javax.security.jacc.WebResourcePermission, javax.security.jacc.WebRoleRefPermission, javax.security.jacc.WebUserDataPermission, javax.xml.registry.JAXRException, javax.xml.registry.RegistryException, javax.xml.rpc.JAXRPCException, javax.xml.rpc.ServiceException, javax.xml.rpc.soap.SOAPFaultException, javax.xml.soap.SOAPException
junit.framework.AssertionFailedError: Failures on SerialVersionComparisson:javax.enterprise.deploy.spi.status.ProgressEvent,
javax.management.loading.MLet,
javax.resource.ResourceException,
javax.resource.spi.ConnectionEvent,
javax.resource.spi.InvalidPropertyException,
javax.resource.spi.work.WorkEvent,
javax.security.jacc.EJBMethodPermission,
javax.security.jacc.EJBRoleRefPermission,
javax.security.jacc.WebResourcePermission,
javax.security.jacc.WebRoleRefPermission,
javax.security.jacc.WebUserDataPermission,
javax.xml.registry.JAXRException,
javax.xml.registry.RegistryException,
javax.xml.rpc.JAXRPCException,
javax.xml.rpc.ServiceException,
javax.xml.rpc.soap.SOAPFaultException,
javax.xml.soap.SOAPException
at org.jboss.test.compatibility.test.SerialVersionUIDUnitTestCase.test402Compatibility(SerialVersionUIDUnitTestCase.java:117)
at jrockit.reflect.VirtualNativeMethodInvoker.invoke(Ljava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Unknown Source