Re: Custom web service

I have created sample component based web service in ATG using atg webservice wizard.
I am getting the following exception when i call web service in stand alone client.

Pleasea find my wsdl and xsd in attachment.

Please its urgent for me. Please help on this .

Exception in thread "main" AxisFault
 faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
 faultSubcode:
 faultString: java.lang.NullPointerException
 faultActor:
 faultNode:
 faultDetail:
        {http://xml.apache.org/axis/}stackTrace: java.lang.NullPointerException
        at java.util.Hashtable.put(Unknown Source)
        at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.setProperty(Unknown Source)
        at org.apache.axis.encoding.DeserializationContextImpl.parse(DeserializationContextImpl.java:246)
        at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:538)
        at org.apache.axis.Message.getSOAPEnvelope(Message.java:376)
        at org.apache.axis.client.Call.invokeEngine(Call.java:2609)
        at org.apache.axis.client.Call.invoke(Call.java:2579)
        at org.apache.axis.client.Call.invoke(Call.java:2268)
        at org.apache.axis.client.Call.invoke(Call.java:2191)
        at org.apache.axis.client.Call.invoke(Call.java:1711)
        at com.pa.user.CallserviceSEIBindingStub.callservice(CallserviceSEIBindingStub.java:143)
        at com.Sample.main(Sample.java:18)


java.lang.NullPointerException
        at org.apache.axis.AxisFault.makeFault(AxisFault.java:129)
        at org.apache.axis.client.Call.invoke(Call.java:2271)
        at org.apache.axis.client.Call.invoke(Call.java:2191)
        at org.apache.axis.client.Call.invoke(Call.java:1711)
        at com.pa.user.CallserviceSEIBindingStub.callservice(CallserviceSEIBindingStub.java:143)
        at com.Sample.main(Sample.java:18)
Caused by: java.lang.NullPointerException
        at java.util.Hashtable.put(Unknown Source)
        at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.setProperty(Unknown Source)
        at org.apache.axis.encoding.DeserializationContextImpl.parse(DeserializationContextImpl.java:246)
        at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:538)
        at org.apache.axis.Message.getSOAPEnvelope(Message.java:376)
        at org.apache.axis.client.Call.invokeEngine(Call.java:2609)
        at org.apache.axis.client.Call.invoke(Call.java:2579)
        at org.apache.axis.client.Call.invoke(Call.java:2268)
        ... 4 more

Please help me on this...............................

Thanks in advance ,
 Geetha.

callservice.wsdlatg.security.wsdl