nusoap出的问题

Question

刚听说这么个东西，我迫不及待的把它给装上了，可是除了一大堆的问题，感觉好象不对吧，各位帮我看看啊
Error
HTTP Error: Unsupported HTTP response status 410 Gone (soapclient->response has contents of the response)
Request
POST /onca/soap2 HTTP/1.0
Host: soap.amazon.com
User-Agent: NuSOAP/0.7.3 (1.114)
Content-Type: text/xml; charset=ISO-8859-1
SOAPAction: "http://soap.amazon.com"
Content-Length: 824<?xml version="1.0" encoding="ISO-8859-1"?><SOAP-ENV:Envelope SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body><ns1802:ManufacturerSearchRequest xmlns:ns1802="http://soap.amazon.com"><manufacturer xsi:type="xsd:string">O&apos;Reilly</manufacturer><page xsi:type="xsd:string">1</page><mode xsi:type="xsd:string">books</mode><tag xsi:type="xsd:string">trachtenberg-20</tag><type xsi:type="xsd:string">lite</type><devtag xsi:type="xsd:string">Your tag here</devtag><sort xsi:type="xsd:string">+title</sort></ns1802:ManufacturerSearchRequest></SOAP-ENV:Body></SOAP-ENV:Envelope>
Response
HTTP/1.1 410 Gone
Date: Wed, 08 Jul 2009 02:18:26 GMT
Server: Server
Content-Length: 879
Connection: close
Content-Type: text/html; charset=iso-8859-1后面还有些乱七八糟的东东
我还有个问题，nusoap是基于xml的，是说显示的都是按照xml显示的？谁能给我提供个nusoap的文档，Google了两天也没找到