I have found that when webservices-*2.1.1.jar is used with woodstox-core-asl-4.4.1.jar there is a conflict due to com.ctc.wstx.sr.ValidatingStreamReader class. This happens because XMLStreamReaderFactory.create in StreamSOAPCodec returns ValidatingStreamReader which is present in both the jars.
I have found that when webservices-*2.1.1.jar is used with woodstox-core-asl-4.4.1.jar there is a conflict due to com.ctc.wstx.sr.ValidatingStreamReader class. This happens because XMLStreamReaderFactory.create in StreamSOAPCodec returns ValidatingStreamReader which is present in both the jars.