写了一段java代码，用来调用http接口，java代码用执行的时候没有问题，但把代码部署在项目中就出错。

Question

错误出现在httpclient提交数据的阶段，错误代码如下：
- I/O exception (java.net.ConnectException) caught when processing request: Conn
ection refused: connect
- Retrying request
- I/O exception (java.net.ConnectException) caught when processing request: Conn
ection refused: connect
- Retrying request
- I/O exception (java.net.ConnectException) caught when processing request: Conn
ection refused: connect
- Retrying request
java.net.ConnectException: Connection refused: connect
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
        at java.net.Socket.connect(Socket.java:519)
        at java.net.Socket.connect(Socket.java:469)
        at java.net.Socket.<init>(Socket.java:366)
        at java.net.Socket.<init>(Socket.java:240)
        at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.c
reateSocket(DefaultProtocolSocketFactory.java:79)
        at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.c
reateSocket(DefaultProtocolSocketFactory.java:121)
        at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java
:706)
        at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(Htt
pMethodDirector.java:386)
        at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMe
thodDirector.java:170)
        at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.jav
a:396)
        at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.jav
a:324)
        at com.synch.Synch.SynchronizedUserInfo(Synch.java:127)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.j
ava:401)
        at org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider
.java:309)
        at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:
333)
        at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrateg
y.java:71)
        at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:150)
        at org.apache.axis.SimpleChain.invoke(SimpleChain.java:120)
        at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:479
)
        at org.apache.axis.server.AxisServer.invoke(AxisServer.java:323)
        at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:85
4)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
        at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBas
e.java:339)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:303)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:208)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:220)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:122)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica
torBase.java:501)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:170)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:98)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:116)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:408)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp
11Processor.java:1040)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(
AbstractProtocol.java:607)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoin
t.java:313)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExec
utor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
.java:908)
        at java.lang.Thread.run(Thread.java:619)我在网上查了一下，说我没有关闭连接没有释放或者释放方法不对，按照这个http://www.iteye.com/topic/234759改了一下但是改了之后还是报错。
求大神指教，

Answer 1

package com.synch;import java.util.Iterator;
import com.bjca.uums.client.bean.RoleInformation;
import com.trs.idm.spnego.Base64;
import com.trs.idm.util.DesEncryptUtil;
import com.trs.idm.util.StringHelper;import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.rmi.RemoteException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.SimpleHttpConnectionManager;
//import org.apache.commons.httpclient.SimpleHttpConnectionManager;
import org.apache.commons.httpclient.methods.PostMethod;public class Synch {
    private static String idsUrl = "http://127.0.0.1:8085/ids"; 
private static String serviceUrl = idsUrl + "/service?idsServiceType=remoteapi&method=userManageService";
  public Synch() {
  }  public boolean SynchronizedUserInfo(int operateID, String operateCode,
                                      String operateType)   {
    boolean bolret = false;
    System.out.println("操作id"+operateID);
    System.out.println("用户code"+operateCode);
    System.out.println("------"+operateType);
    /*********************************用户*********************************************/
    if (operateID == 11) {
      cn.gov.bjxch.ca.uumsinterface.services.User.UserSoapBindingStub binding;
      try {
          binding = (cn.gov.bjxch.ca.uumsinterface.services.User.UserSoapBindingStub)
                        new cn.gov.bjxch.ca.uumsinterface.services.User.UserServiceLocator().getUser();
      }
      catch (javax.xml.rpc.ServiceException jre) {
          if(jre.getLinkedCause()!=null)
              jre.getLinkedCause().printStackTrace();
          throw new junit.framework.AssertionFailedError("JAX-RPC ServiceException caught: " + jre);
      }      // Time out after a minute
      binding.setTimeout(60000);      com.bjca.uums.client.bean.PersonInformation value = null;
      com.bjca.uums.client.bean.LoginInformation logininfo = null;
     try {
       value = binding.findPersonInfosByUserIDForDC(operateCode);
       logininfo = binding.getLoginInformationByUserID(operateCode);
       //PostMethod methodPost = new PostMethod(serviceUrl);
       String username = value.getUserName();
       String default1 = value.getDefault1();
       String userdefault1 = value.getUserDefault1();
       String userdefault2 = value.getUserDefault2();
       String userdefault3 = value.getUserDefault3();
       String userdefault4 = value.getUserDefault4();
       String userdefault5 = value.getUserDefault5();
       String userdefault6 = value.getUserDefault6();
       String userdegree = value.getUserDegree();
       String cardnum = value.getUserIdcardNum();
       String userloginname = logininfo.getLoginName();
       String usernickloginname = logininfo.getLoginNickName();
       String userpassword = logininfo.getLoginPwd();
       //String firstname=value.
       System.out.println("用户对象value=========" + value);
       System.out.println("用户姓名username=========" + username);
       System.out.println("aaaaaaaaaaaaa" + username);
       //System.out.println("bbbbbbbb" + methodPost);
       System.out.println("1" + default1);
       System.out.println("2" + userdefault1);
       System.out.println("3" + userdefault2);
       System.out.println("4" + userdefault3);
       System.out.println("5" + userdefault4);
       System.out.println("6" + userdefault5);
       System.out.println("7" + userdefault6);
       System.out.println("8" + userdegree);
       System.out.println("9" + cardnum);
       System.out.println("用户登陆名==========" + userloginname);
       System.out.println("用户昵称=======" + usernickloginname);
       System.out.println("用户密码=====" + userpassword);
       try {
       System.out.println("ca数据取出完成");
       String data = "userName="+username+"&password="+userpassword+"&nickName=trsceshi&firstName="+username+"&lastName="+username+"&[email protected]";
// 2、根据整串生成摘要签名
       System.out.println(data);
MessageDigest md = MessageDigest.getInstance("MD5");
System.out.println("开始加密");
md.update(data.getBytes("UTF-8"));
System.out.println("开始加密111111");
byte[] digestByte = md.digest();
// 2-1） 将生成的摘要转成16进制数表示
System.out.println("开始加密222222");
String digest = StringHelper.toString(digestByte);
// 3、对整串进行加密处理
// 3-1）对整串做base64编码（去编码化）
System.out.println("开始加密33333");
String base64Encoded = new String(Base64.encode(data.getBytes("UTF-8")));
System.out.println("开始加密4444");
// 3-3） 对data进行加密处理 并将结果转换成16进制表示
String dataAfterDESEncode =DesEncryptUtil.encryptToHex(base64Encoded.getBytes("UTF-8"),"12345678");
// 4、将摘要签名和加密后的参数拼接成最终提交IDS的参数
System.out.println("开始加密5555");
String finalData = digest+"&"+dataAfterDESEncode;
System.out.println("开始提交");
PostMethod methodPost = null;
methodPost = new PostMethod(serviceUrl);
// 构造提交的参数
//methodPost.setRequestHeader("Connection", "close"); 
methodPost.addParameter("appName","SynchBJCA");
methodPost.addParameter("manageServiceTag","managerAddUser");
//methodPost.addParameter("version","v5.0");
 methodPost.addParameter("data", finalData);
//methodPost.addParameter("password","trsadmin123");
//methodPost.addParameter("nickName","test");
 HttpClient httpClient = buildHttpClient();
// 向服务器发送HTTP Post请求
String responsePost = null;
System.out.println("写入数据");

System.out.println("111111111111");
httpClient.executeMethod(methodPost);
System.out.println("222222222" );
System.out.println("关闭连接");

httpClient.getHttpConnectionManager().closeIdleConnections(0);
methodPost.releaseConnection();
//((SimpleHttpConnectionManager)httpClient.getHttpConnectionManager()).shutdown(); 
} catch (HttpException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} 
 System.out.println("finished");
     }
     catch (RemoteException ex) {
       ex.printStackTrace();
     }
     bolret = true;
     return true;
    }    if (operateID == 12) {
      //修改用户信息
           return true;
    }
    if (operateID == 13) {
      //删除用户信息
           return true;
    }    /********************************机构*********************************************/
    if (operateID == 41) {
      cn.gov.bjxch.ca.uumsinterface.services.Department.DepartmentSoapBindingStub binding;
      try {
          binding = (cn.gov.bjxch.ca.uumsinterface.services.Department.DepartmentSoapBindingStub)
                        new cn.gov.bjxch.ca.uumsinterface.services.Department.DepartmentServiceLocator().getDepartment();
      }
      catch (javax.xml.rpc.ServiceException jre) {
          if(jre.getLinkedCause()!=null)
              jre.getLinkedCause().printStackTrace();
          throw new junit.framework.AssertionFailedError("JAX-RPC ServiceException caught: " + jre);
      }      // Time out after a minute
      binding.setTimeout(60000);      // Test operation
      com.bjca.uums.client.bean.DepartmentInformation Dvalue = null;
      String departname = "";
      try {
        Dvalue = binding.findDepartByDepartCodeForDC(operateCode);
        departname = Dvalue.getDepartName();
        bolret = true;
      }
      catch (RemoteException ex2) {
        ex2.printStackTrace();
      }
           return true;
    }
    if (operateID == 42) {
      //修改机构信息
           return true;
    }
    if (operateID == 43) {
      //删除机构信息
           return true;
    }     return true;
  }private HttpClient buildHttpClient() {
// TODO Auto-generated method stub
HttpClient http=new HttpClient();
return http;
}
}

Answer 2

调用SynchronizedUserInfo(）方法，程序运行到
httpClient.executeMethod(methodPost);
就不往下运行了，因为我输出的2222222没有输出