Server returned HTTP response code: 500 for URL解决方法
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最近在做web service相关的东西,老师的作业题如下:
开发一个Java类,手工编写WSDL文档,并打包发布到Axis容器;客户端调用程序:基于Socket或HTTP库,自己构造SOAP调用报文,发送给服务器端,接收到响应的SOAP报文后,显示出来。
在编写客户端的时候,使用了http和socket两种方法,我用的是jre自有的api,http方式代码如下:
URL url = new URL("http://localhost:8080/WebServiceTest2/services/Add");HttpURLConnection connection = (HttpURLConnection) url.openConnection();connection.setRequestMethod("POST");connection.setDoInput(true); connection.setDoOutput(true); connection.setRequestProperty("Pragma:", "no-cache"); connection.setRequestProperty("Cache-Control", "no-cache"); connection.setRequestProperty("Content-Type", "text/xml"); connection.setRequestProperty("ContentType","text/xml;charset=utf-8"); connection.setRequestProperty("charset", "UTF-8"); connection.setRequestProperty("Accept-Language", "en-us,en;q=0.5"); connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT //5.1)AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.46 Safari/535.11");OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());String soapInfo = getSoapInfo();System.out.println(soapInfo);out.write(new String(soapInfo));out.flush();out.close();BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));String responseLine = "";StringBuffer stringBuffer = new StringBuffer();while((responseLine = reader.readLine()) != null) {stringBuffer.append(new String(responseLine.getBytes(), "UTF-8"));}System.out.println(stringBuffer.toString());
遇到了java.io.IOException: Server returned HTTP response code: 500 for URL错误信息,网上找了很多,例如修改User-Agent等都没能解决,我感觉还是java 客户端的访问被拒绝了,
最后使用了org.apache.commons.httpclient.HttpClient包,通信代码如下:
String url = "http://localhost:8080/WebServiceTest2/services/Add";byte[] requestBytes;String soapRequestInfo = addClient.getSoapRequestInfo();requestBytes = soapRequestInfo.getBytes("utf-8");HttpClient httpClient = new HttpClient();PostMethod postMethod = new PostMethod(url);postMethod.setRequestHeader("SOAPAction", "http://tempuri.org/GetMiscInfo");//Soap Action Header!InputStream inputStream = new ByteArrayInputStream(requestBytes, 0, requestBytes.length);RequestEntity requestEntity = new InputStreamRequestEntity(inputStream, requestBytes.length, "application/soap+xml; charset=utf-8");postMethod.setRequestEntity(requestEntity);int state = httpClient.executeMethod(postMethod);InputStream soapResponseStream = postMethod.getResponseBodyAsStream();InputStreamReader inputStreamReader = new InputStreamReader(soapResponseStream);BufferedReader bufferedReader = new BufferedReader(inputStreamReader);String responseLine = "";String soapResponseInfo = "";while((responseLine = bufferedReader.readLine()) != null) {soapResponseInfo = soapResponseInfo + responseLine;}
使用apache的HttpClient最后实现了与服务器端web service的通信,不得不说apache的HttpClient包做的强大啊。
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