SoapException when invoking a .NET webservice from java code.

[anil]

We are getting a null reference exception only INTERMITTENTLY when a .net
webservice is invoked from java code. Here are the server details:-

OS: Windows Server 2003
..Net Version: .NET 1.1/2.0


errorcode = 500(Internal Server Error. )

ErrorInfo:

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<soap:Body>
<soap:Fault>
<faultcode>soap:Server</faultcode>
<faultstring>System.Web.Services.Protocols.SoapException: Server was unable
to process request. ---> System.NullReferenceException: Object reference not
set to an instance of an object. at
Enam.Ui.WebPages.CommandProcessor.InvokeBean(String SessionID, String
BeanType, Int64 BeanID, String MethodName, String Input) --- End of inner
exception stack trace ---</faultstring>
<detail></detail>
</soap:Fault>
</soap:Body>
</soap:Envelope>