see http://mindprod.com/jgloss/runerrormessages.html#INVOCATIONTARGET

I got the backtrace and this is it:
AxisFault
faultCode: {http://schemas.xmlsoap.org/soap/
envelope/}Server.userException
faultSubcode:
faultString: java.lang.reflect.InvocationTargetException
faultActor:
faultNode:
faultDetail:
    {http://xml.apache.org/axis/}hostname:PC-2

java.lang.reflect.InvocationTargetException
    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
weblogic.apache.xerces.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:
585)
    at
weblogic.apache.xerces.impl.XMLNamespaceBinder.handleEndElement(XMLNamespaceBinder.java:
898)
    at
weblogic.apache.xerces.impl.XMLNamespaceBinder.endElement(XMLNamespaceBinder.java:
644)
    at
weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:
1008)
    at weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl
$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:
1469)
    at
weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:
329)
    at
weblogic.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:
525)
    at
weblogic.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:
581)
    at weblogic.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
    at
weblogic.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:
1175)
    at weblogic.xml.jaxp.WebLogicXMLReader.parse(WebLogicXMLReader.java:
135)
    at weblogic.xml.jaxp.RegistryXMLReader.parse(RegistryXMLReader.java:
152)
    at javax.xml.parsers.SAXParser.parse(SAXParser.java:375)
    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
DefaultNamespace.AutNSSoapBindingStub.request4UserCreate(AutNSSoapBindingStub.java:
313)
    at DefaultNamespace.UIM.request4UserCreate(UIM.java:12)
    at DefaultNamespace.AutUITest$1.mouseClicked(AutUITest.java:72)
    at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:
212)
    at java.awt.Component.processMouseEvent(Component.java:5491)
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
    at java.awt.Component.processEvent(Component.java:5253)
    at java.awt.Container.processEvent(Container.java:1966)
    at java.awt.Component.dispatchEventImpl(Component.java:3955)
    at java.awt.Container.dispatchEventImpl(Container.java:2024)
    at java.awt.Component.dispatchEvent(Component.java:3803)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:
4212)
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:
3901)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
    at java.awt.Container.dispatchEventImpl(Container.java:2010)
    at java.awt.Window.dispatchEventImpl(Window.java:1778)
    at java.awt.Component.dispatchEvent(Component.java:3803)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
    at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:
242)
    at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:
163)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:
157)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:
149)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)

What is your idea?

see http://mindprod.com/jgloss/runerrormessages.html#INVOCATIONTARGET

Use
http://mindprod.com/jgloss/errormessages.html
to help you understand the real meaning and cause of any exception or
error message.

you posted this twice independently.  This splits the discussion.
Don't do this.  See http://mindprod.com/jgloss/multiposting.html