Problem with WebLogic 10.1 and SOAP request

Question

I have some relatively simple code that is making a SOAP request and trying to parse the response. The code works fine in Tomcat 6, but fails when running under WebLogic 10.1. At first, the problem was with the implementations of MessageFactory and SOAPConnectionFactory. After some research, I added the following to the startWebLogic.sh file
-Djavax.xml.soap.MessageFactory=com.sun.xml.internal.messaging.saaj.soap.ver1_1.SOAPMessageFactory1_1Impl
-Djavax.xml.soap.SOAPConnectionFactory=weblogic.wsee.saaj.SOAPConnectionFactoryImpl
That resolved the initial problems, but now I get the following error when making a call to the getTextContent() method of an instantiation of the org.w3c.dom.Node class.
java.lang.AssertionError: UNIMPLEMENTED
     at weblogic.xml.domimpl.NodeImpl.getTextContent(NodeImpl.java:198)
In my research, it seems that the "-Djavax.xml.soap.MessageFactory=com.sun.xml.internal.messaging.saaj.soap.ver1_1.SOAPMessageFactory1_1Impl " option should have resolved that issue, but it does not. I am including the relevant section of code below for reference. If anyone has a suggestion as to how to fix this issue, I would be very grateful. Thanks in advance!
     fis = new FileInputStream(_outputFileName);
     MimeHeaders hd = new MimeHeaders();
     hd.addHeader("Content-Type", "text/xml;charset=UTF-8");
     hd.addHeader("SOAPAction", "/service/doCallAPI");
     MessageFactory factory = MessageFactory.newInstance();
     SOAPMessage request = factory.createMessage(hd, fis);
     SOAPConnectionFactory soapConnectionFactory = SOAPConnectionFactory.newInstance();
     SOAPConnection connection = soapConnectionFactory.createConnection();
     SOAPMessage response = connection.call(request, new URL(_pdfHostUrl));
     NodeList documents = response.getSOAPBody().getElementsByTagName("FileProp");
     Node node = documents.item(0);
     String textContent = node.getTextContent();
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Answer 1

Hi Else,
We'd really like to reproduce this problem and get to the bottom of what is causing it, so that you could upgrade in the future.  Would you be willing to send me a data set consisting of your TDM, TDX, TDV, and video file?  You can either post here or send it directly to my email at:
[email protected]
Thanks,
Brad Turpin
DIAdem Product Support Engineer
National Instruments