NoHttpResponseException: The server corporbank.dccnet.com failed to respond

ception in thread "main" org.apache.commons.httpclient.NoHttpResponseException: The server corporbank.dccnet.com failed to respond

服务器没有响应。

使用jdk httpserver 一些业务逻辑，导致异常，没有返回给客户端数据，导致异常。

package com.cyyun.xc.command.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;

import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import com.sun.net.httpserver.spi.HttpServerProvider;

@SuppressWarnings("all")
public abstract class ScreenshotHandler {

 private static Logger log = Logger.getLogger(ScreenshotHandler.class);

 private int port = 6666;
 private String path = "test";

 public ScreenshotHandler() {

 }

 public ScreenshotHandler(int port, String path) {
  this.port = port;
  this.path = path;
 }

 // 启动服务，监听来自客户端的请求
 public void httpserverService() throws IOException {

  HttpServerProvider provider = HttpServerProvider.provider();
  HttpServer httpserver = provider.createHttpServer(
    new InetSocketAddress(port), 100);// 监听端口6666,能同时接 受100个请求
  httpserver.createContext(path, new MyHttpHandler());
  httpserver.setExecutor(null);
  httpserver.start();
  // System.out.println("server started");
  log.info("server started");
 }

 // Http请求处理类
 public class MyHttpHandler implements HttpHandler {
  public void handle(HttpExchange httpExchange) throws IOException {
   // String responseMsg = "{result:success}"; // 响应信息
   log.error("MyHttpHandler。。。。。。。。。。。。。。。。。。。。。。。");
   String responseMsg = "";
   InputStream in = null;
   BufferedReader reader = null;
   OutputStream out = null;
   try {
    in = httpExchange.getRequestBody(); // 获得输入流
    reader = new BufferedReader(new InputStreamReader(in));
    String temp = null;
    StringBuilder params = new StringBuilder();
    while ((temp = reader.readLine()) != null) {
     log.info("client request:" + temp);
     params.append(temp);
    }
    Map<String, String> map = convertMap(params.toString());
    responseMsg = callback(map);
   } catch (Exception e) {
    log.error(e.getMessage(), e);
   } finally {
    httpExchange.sendResponseHeaders(200, responseMsg.length()); // 设置响应头属性及响应信息的长度
    out = httpExchange.getResponseBody(); // 获得输出流
    out.write(responseMsg.getBytes());
    out.flush();

    if (in != null) {
     in.close();
    }
    if (reader != null) {
     reader.close();
    }
    if (out != null) {
     out.close();
    }
    httpExchange.close();
   }
  }
 }

 /**
  * 回调方法，返回结果"{result:success}"
  * 
  * @param map
  * @return
  */
 public abstract String callback(Map<String, String> map);

 public static Map<String, String> convertMap(String str) {
  Map<String, String> map = new HashMap<String, String>();

  if (StringUtils.isEmpty(str)) {
   return map;
  }
  String[] names = str.split("\\&");
  if (ArrayUtils.isEmpty(names)) {
   return map;
  }

  try {
   for (String name : names) {
    if (StringUtils.isNotEmpty(name)) {
     String[] vals = name.split("\\=");
     if (ArrayUtils.isNotEmpty(vals)) {
      if (vals.length == 1) {
       map.put(vals[0], null);
      } else {
       map.put(vals[0], vals[1]);
      }

     }
    }
   }
  } catch (Exception e) {
   log.error(e.getMessage(), e);
  }
  return map;
 }

}

   public static String getConfigValue(String key)
    {
        Locale locale = Locale.getDefault();
        ResourceBundle localResource = ResourceBundle.getBundle("configParameter", locale);
        return localResource.getString(key);
    }