WSDL load error due to IOException: Stream closed.

I am new to soapUI and was able to load a wsdl which is small.  However, when I tried to load another WSDL from another system, the loading failed with java.io.IOException: Stream closed.

My guess is that this WSDL is so big that it exceeds whatever the memory size setting for the bufferedInputStream.  Is there anyway to change the memory size for this? 

I was able to enter the same URL for the WSDL and display the WSDL on IE7.0.