Marshalling output data

Caused by: org.jboss.xb.binding.JBossXBValueFormatException: Date value does not follow the format ''? yyyy '' mm '-' dd: 96-06-02T00:00:00.000+01:00
at org.jboss.xb.binding.SimpleTypeBindings.parseDate(SimpleTypeBindings.java:1960)
at org.jboss.xb.binding.SimpleTypeBindings.unmarshalDateTime(SimpleTypeBindings.java:1691)
at org.jboss.ws.jaxrpc.encoding.CalendarDeserializer.deserialize(CalendarDeserializer.java:31)