java调用webservice接口500错误_java webservice 报500-优快云博客

本文链接：https://blog.youkuaiyun.com/u010668910/article/details/50956014

本文档描述了在Java中调用WebService接口时遇到500错误的问题。通过设置请求方法、内容类型，并发送XML数据，尝试连接服务地址。然而，执行时出现IOException，服务器返回HTTP 500响应代码。为了进一步解决问题，需要检查服务器端的错误日志，以及确保请求数据的正确性和接口的可用性。

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package com.cn.cyh;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class TestApp {

public static void main(String[] args) throws Exception {

  //服务的地址
        URL wsUrl = new URL("http://www.xxxxx.com:xxxx/services/WebServiceSingleQuery?wsdl");

        HttpURLConnection conn = (HttpURLConnection) wsUrl.openConnection();

        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "text/xml;charset=UTF-8");

        OutputStream os = conn.getOutputStream();

        //请求体
//        String soap = "<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:q0=\"http://ws.itcast.cn/\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">" +
//                      "<soapenv:Body> <q0:sayHello><arg0>aaa</arg0> </q0:sayHello> </soapenv:Body> </soapenv:Envelope>";
        String soap = "<?xml version=\"1.0\" encoding=\"GBK\"?>"+
             "<conditions> <condition queryType=\"25160\">"+"<item> <name>name</name> <value>xxxx</value> </item>"+
             "<item> <name>documentNo</name> <value>xxxxxxx</value> </item> "+
             "<item> <name>subreportIDs</name> <value> xxxx</value> </item> " +
             "<item> <name>refID</name> <value></value> </item>" +
             "</condition> </conditions>";
        os.write(soap.getBytes());

        InputStream is = conn.getInputStream();

        byte[] b = new byte[1024];
        int len = 0;
        String s = "";
        while((len = is.read(b)) != -1){
            String ss = new String(b,0,len,"UTF-8");
            s += ss;
        }
        System.out.println(s);

        is.close();
        os.close();
        conn.disconnect();

}

Exception in thread "main" java.io.IOException: Server returned HTTP response code: 500 for URL:
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1839)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1440)
at com.cn.cyh.TestApp.main(TestApp.java:34)