Ksoap exception in j2me

I am creating one J2ME application that calls .NET WCF web service and I used ksoap.
I am using NetBeans IDE.
But when I run this application it throws a runtime exception

org.xmlpull.v1.XmlPullParserException: Invalid stream or encoding: java.io.IOException: Error in GZIP header, first byte doesn't match (position:START_DOCUMENT null@0:0) caused by: java.io.IOException: Error in GZIP header, first byte doesn't match

      

        
        
        
      

    

What is the reason for this exception?

The time is compiled here, which is not an error.