JBossXBRuntimeException: Missing value for the required attribute

[tdiesler@tdvaio trunk]$ ant -Dtest=jaxrpc/jbws720 test

tests-run-internal:
[junit] Running org.jboss.test.ws.jaxrpc.jbws720.JBWS720TestCase
[junit] Tests run: 5, Failures: 0, Errors: 1, Time elapsed: 12.435 sec
[junit] Test org.jboss.test.ws.jaxrpc.jbws720.JBWS720TestCase FAILED

BUILD SUCCESSFUL
Total time: 15 seconds
[tdiesler@tdvaio trunk]$ cat output/tests/reports/TEST-org.jboss.test.ws.jaxrpc.jbws720.JBWS720TestCase.txt
Testsuite: org.jboss.test.ws.jaxrpc.jbws720.JBWS720TestCase
Tests run: 5, Failures: 0, Errors: 1, Time elapsed: 12.435 sec

Testcase: testLangEmptyAny took 4.263 sec
Testcase: testEmptyLangEmptyAny took 0.041 sec
Testcase: testLangAnyWithNamespace took 0.379 sec
Testcase: testLangAnyWithoutNamespace took 0.041 sec
Testcase: testAllNull took 0.009 sec
Caused an ERROR
Call invocation failed; nested exception is:
java.io.IOException: Could not transmit message
java.rmi.RemoteException: Call invocation failed; nested exception is:
java.io.IOException: Could not transmit message
at org.jboss.ws.core.jaxrpc.client.CallImpl.invokeInternal(CallImpl.java:536)
at org.jboss.ws.core.jaxrpc.client.CallImpl.invoke(CallImpl.java:277)
at org.jboss.ws.core.jaxrpc.client.PortProxy.invoke(PortProxy.java:156)
at $Proxy5.getProperty(Unknown Source)
at org.jboss.test.ws.jaxrpc.jbws720.JBWS720TestCase.testAllNull(JBWS720TestCase.java:126)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:22)
at junit.extensions.TestSetup$1.protect(TestSetup.java:19)
at junit.extensions.TestSetup.run(TestSetup.java:23)
Caused by: java.io.IOException: Could not transmit message
at org.jboss.ws.core.client.HTTPRemotingConnection.invoke(HTTPRemotingConnection.java:255)
at org.jboss.ws.core.client.SOAPProtocolConnectionHTTP.invoke(SOAPProtocolConnectionHTTP.java:73)
at org.jboss.ws.core.CommonClient.invoke(CommonClient.java:339)
at org.jboss.ws.core.jaxrpc.client.CallImpl.invokeInternal(CallImpl.java:517)
... 23 more
Caused by: org.jboss.xb.binding.JBossXBRuntimeException: Missing value for the required attribute strAttr of element

getProperty
at org.jboss.xb.binding.sunday.marshalling.DefaultAttributeMarshaller.marshalValue(DefaultAttributeMarshaller.java:90)
at org.jboss.xb.binding.sunday.marshalling.AbstractAttributeMarshaller.marshal(AbstractAttributeMarshaller.java:39)
at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalComplexType(MarshallerImpl.java:547)
at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElementType(MarshallerImpl.java:430)
at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElement(MarshallerImpl.java:329)
at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElementOccurence(MarshallerImpl.java:309)
at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshallInternal(MarshallerImpl.java:200)
at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshal(MarshallerImpl.java:157)
at org.jboss.ws.core.jaxrpc.binding.jbossxb.JBossXBMarshallerImpl.marshal(JBossXBMarshallerImpl.java:146)