When a getNode() function call is made against an ExecutionNode the following error is returned.

Exception in thread "main" AxisFault
 faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
 faultSubcode:
 faultString: java.rmi.RemoteException: java.lang.NullPointerException
 faultActor:
 faultNode:
 faultDetail:
 {http://xml.apache.org/axis/}hostname:ham52

java.rmi.RemoteException: java.lang.NullPointerException
 at org.apache.axis.message.SOAPFaultBuilder.createFault(SOAPFaultBuilder.java:222)
 at org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:129)
 at org.apache.axis.encoding.DeserializationContext.endElement(DeserializationContext.java:1087)
 at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
 at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
 at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
 at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
 at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
 at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
 at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
 at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
 at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
 at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown Source)
 at org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:227)
 at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
 at org.apache.axis.Message.getSOAPEnvelope(Message.java:435)
 at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62)
 at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)
 at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
 at org.apache.axis.client.Call.invoke(Call.java:2767)
 at org.apache.axis.client.Call.invoke(Call.java:2443)
 at org.apache.axis.client.Call.invoke(Call.java:2366)
 at org.apache.axis.client.Call.invoke(Call.java:1812)
 at sctm.plugin.webservice.generated.tmexecution.TmexecutionSoapBindingStub.getNode(TmexecutionSoapBindingStub.java:458)

In order for this function to successfully complete we must ensure that we have first made a call to the setCurrentProject() function.

setCurrentProject
void setCurrentProject(long sessionId,
                       int projectId)
                       throws RemoteExceptionSets the current project.

Parameters:
sessionId - the unique ID of the current session, returned by SystemServiceI.logonUser(String, String)
projectId - The ID of the project that you want to set as current.