The issue is covered by org.jboss.test.ws.anonymous.AnonymousTypesTestCase on branch 'jbossws-1.0_SchemaBindingMarshaller':

java.lang.NullPointerException at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElementOccurence(MarshallerImpl.java:291) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalParticle(MarshallerImpl.java:762) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalModelGroupSequence(MarshallerImpl.java:957) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalModelGroup(MarshallerImpl.java:897) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalParticle(MarshallerImpl.java:647) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalComplexType(MarshallerImpl.java:614) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElementType(MarshallerImpl.java:425) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElement(MarshallerImpl.java:336) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElementOccurence(MarshallerImpl.java:316) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshallInternal(MarshallerImpl.java:215) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshal(MarshallerImpl.java:173) at org.jboss.ws.jaxb.JAXBMarshallerImpl.marshal(JAXBMarshallerImpl.java:173) at org.jboss.ws.jaxrpc.encoding.JAXBSerializer.serialize(JAXBSerializer.java:98) at org.jboss.ws.soap.SOAPContentElement.getXMLFragment(SOAPContentElement.java:152) at