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I am getting this exception when I call the web service from the client. Please help me here.

Exception in thread "main" org.apache.axis2.AxisFault: Error in extracting message properties
at org.apache.rampart.handler.RampartSender.invoke(RampartSender.java:70)
at org.apache.axis2.engine.Phase.invokeHandler(Phase.java:340)
at org.apache.axis2.engine.Phase.invoke(Phase.java:313)
at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:262)
at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:427)
at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:406)
at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229)
at org.apache.axis2.client.OperationClient.execute(OperationClient.java:165)
at com.ttdev.ss.SecureServiceStub.concat(SecureServiceStub.java:182)
at com.ttdev.ss.SecureClient.main(SecureClient.java:29)
Caused by: org.apache.rampart.RampartException: Error in extracting message properties
at org.apache.rampart.RampartMessageData.<init>(RampartMessageData.java:386)
at org.apache.rampart.MessageBuilder.build(MessageBuilder.java:61)
at org.apache.rampart.handler.RampartSender.invoke(RampartSender.java:64)
... 9 more
Caused by: org.apache.ws.security.WSSecurityException: Error in converting SOAP Envelope to Document; nested exception is:
java.lang.UnsupportedOperationException: TODO
at org.apache.rampart.util.Axis2Util.getDocumentFromSOAPEnvelope(Axis2Util.java:161)
at org.apache.rampart.RampartMessageData.<init>(RampartMessageData.java:272)
... 11 more
Caused by: java.lang.UnsupportedOperationException: TODO
at org.apache.axiom.om.impl.dom.DocumentImpl.setStandalone(DocumentImpl.java:415)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.createDocument(StAXOMBuilder.java:190)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.<init>(StAXOMBuilder.java:105)
at org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder.<init>(StAXSOAPModelBuilder.java:167)
at org.apache.rampart.util.Axis2Util.getDocumentFromSOAPEnvelope(Axis2Util.java:130)
... 12 more

Client WSDL:
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions name="SecureService"
targetNamespace="http://ttdev.com/ss"
xmlns:sp="http://docs.oasis-open.org/ws-sx/ws-securitypolicy/200512"
xmlns:wsp="http://www.w3.org/Submission/2006/SUBM-WS-Policy-20060425"
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
xmlns:tns="http://ttdev.com/ss"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurityutility-1.0.xsd">
<wsdl:types>
<xsd:schema targetNamespace="http://ttdev.com/ss">
<xsd:element name="concat">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="s1" type="xsd:string"/>
<xsd:element name="s2" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="concatResponse">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="r" type="xsd:string">
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
</wsdl:types>
<wsdl:message name="concatResponse">
<wsdl:part name="parameters" element="tns:concatResponse">
</wsdl:part>
</wsdl:message>
<wsdl:message name="concatRequest">
<wsdl:part name="parameters" element="tns:concat">
</wsdl:part>
</wsdl:message>
<wsdl:portType name="SecureService">
<wsdl:operation name="concat">
<wsdl:input message="tns:concatRequest">
</wsdl:input>
<wsdl:output message="tns:concatResponse">
</wsdl:output>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="SecureServiceSOAP" type="tns:SecureService">
<wsp:PolicyReference URI="#p1" wsdl:required="true"/>
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="concat">
<soap:operation soapAction="http://ttdev.com/ss/NewOperation"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="SecureService">
<wsdl:port name="p1" binding="tns:SecureServiceSOAP">
<soap:address location="http://localhost:8080/ss/p1"/>
</wsdl:port>
</wsdl:service>
<wsp:Policy wsu:Id="p1">
<sp:AsymmetricBinding>
<wsp:Policy>
<sp:InitiatorToken>
<wsp:Policy>
<sp:X509Token sp:IncludeToken="http://schemas.xmlsoap.org/ws/2005/12/securitypolicy/IncludeToken/AlwaysToRecipient">
<wsp:Policy>
<sp:WssX509V3Token10/>
</wsp:Policy>
</sp:X509Token>
</wsp:Policy>
</sp:InitiatorToken>
<sp:RecipientToken>
<wsp:Policy>
<sp:X509Token sp:IncludeToken="http://schemas.xmlsoap.org/ws/2005/12/securitypolicy/IncludeToken/Never">
<wsp:Policy>
<sp:WssX509V3Token10/>
</wsp:Policy>
</sp:X509Token>
</wsp:Policy>
</sp:RecipientToken>
<sp:AlgorithmSuite>
<wsp:Policy>
<sp:TripleDesRsa15/>
</wsp:Policy>
</sp:AlgorithmSuite>
</wsp:Policy>
</sp:AsymmetricBinding>
<sp:Wss10>
<wsp:Policy>
<sp:MustSupportRefEmbeddedToken/>
<sp:MustSupportRefIssuerSerial/>
</wsp:Policy>
</sp:Wss10>
<sp:SignedParts>
<sp:Body/>
</sp:SignedParts>
<sp:EncryptedParts>
<sp:Body/>
</sp:EncryptedParts>
<sp:EncryptedElements>
<sp:XPath>
//*[local-name()='Signature']
</sp:XPath>
</sp:EncryptedElements>
<sp:SignedSupportingTokens>
<wsp:Policy>
<sp:UsernameToken sp:IncludeToken="http://schemas.xmlsoap.org/ws/2005/12/securitypolicy/IncludeToken/AlwaysToRecipient"/>
</wsp:Policy>
</sp:SignedSupportingTokens>
</wsp:Policy>
</wsdl:definitions>