The list problem is returned when xfire is used to develop WebService.

Please help me !!!
The problem is: when the client calls WebService, The called method is continuously executed. When a print statement is added, aaaaaaaaaaaaa is continuously printed and called.Code: List = client. getalluser ();
The following code is used:

Service Interface:
Package com. Zhang. interfaces;

Import java. util. List;

Import com. SMC. entity. userinfo;

Public interface userservice {

Public userservice getuser (string userid );

Public list <userservice> getalluser ();

Public String getuserid ();

Public void setuserid (string userid );

Public String GetUserName ();

Public void setusername (string username );

Public String getlogin ();

Public void setlogin (string login );

Public String getpw ();

Public void setpw (string PW );

Public String getsex ();

Public void setsex (string sex );

Public String getbirthday ();

Public void setbirthday (string birthday );

Public String getnativeplace ();

Public void setnativeplace (string nativeplace );

Public String getnation ();

Public void setnation (string nation );

Public String gettelephone ();

Public void settelephone (string telephone );

Public String getemail ();

Public void setemail (string email );
}
Service implementation class:
Package com. SMC. entity;

Import java. util. arraylist;
Import java. util. List;

Import org. hibernate. Session;

Import com. SMC. Struts. hibernatesessionfactory;
Import com. Zhang. Interfaces. userservice;

/**
* Userinfo generated by myeclipse-hibernate tools
*/

Public class userinfo implements java. Io. serializable, userservice {

// Fields

Private string userid;
Private string username;
Private string login;
Private string PW;
Private string sex;
Private string birthday;
Private string nativeplace;
Private string nation;
Private string telephone;
Private string email;

// Constructors

/** Default constructor */
Public userinfo (){
}

/** Minimal constructor */
Public userinfo (string username, string login, string PW ){
This. Username = username;
This. login = login;
This. Pw = pw;
}

/** Full constructor */
Public userinfo (string username, string login, string PW, string sex, string birthday, string nativeplace, string nation, string telephone, string email ){
This. Username = username;
This. login = login;
This. Pw = pw;
This. Sex = sex;
This. Birthday = birthday;
This. nativeplace = nativeplace;
This. Nation = nation;
This. Telephone = telephone;
This. Email = Email;
}
Public list <userservice> getalluser (){
System. Out. println ("aaaaaaaaaaaaa ");
List <userservice> List = new arraylist <userservice> ();
List arr = new arraylist ();
Session session = hibernatesessionfactory. getsession ();
String hql = "from userinfo ";
Arr = session. createquery (hql). List ();
Session. Close ();
If (! Arr. isempty ()){
For (INT I = 0; I <arr. Size (); I ++ ){
System. Out. println (ARR. Get (I). getclass (). tostring ());
Userinfo user = (userinfo) Arr. Get (I );
Userservice Ss = user;
List. Add (SS );
}
}

Return list;

}
Public userservice getuser (string userid ){
Userservice user = NULL;
Session session = hibernatesessionfactory. getsession ();
User = (userservice) Session. Get (userinfo. Class, userid );
Session. Close ();
String username = user. getlogin ();
System. Out. println ("====>" + username );
Return user;
}

// Property accessors

Public String getuserid (){
Return this. userid;
}

Public void setuserid (string userid ){
This. userid = userid;
}

Public String GetUserName (){
Return this. Username;
}

Public void setusername (string username ){
This. Username = username;
}

Public String getlogin (){
Return this. login;
}

Public void setlogin (string login ){
This. login = login;
}

Public String getpw (){
Return this. Pw;
}

Public void setpw (string PW ){
This. Pw = pw;
}

Public String getsex (){
Return this. sex;
}

Public void setsex (string sex ){
This. Sex = sex;
}

Public String getbirthday (){
Return this. birthday;
}

Public void setbirthday (string birthday ){
This. Birthday = birthday;
}

Public String getnativeplace (){
Return this. nativeplace;
}

Public void setnativeplace (string nativeplace ){
This. nativeplace = nativeplace;
}

Public String getnation (){
Return this. Nation;
}

Public void setnation (string nation ){
This. Nation = nation;
}

Public String gettelephone (){
Return this. Telephone;
}

Public void settelephone (string telephone ){
This. Telephone = telephone;
}

Public String getemail (){
Return this. Email;
}

Public void setemail (string email ){
This. Email = Email;
}
}

Service. xml

<Beans xmlns = "http://xfire.codehaus.org/config/1.0">
<Service>
<Name> userservice </Name>
<Namespace> User </namespace>
<Serviceclass>
Com. Zhang. Interfaces. userservice
</Serviceclass>
<Implementationclass>
Com. SMC. entity. userinfo
</Implementationclass>
</Service>
</Beans>

client call:
public class client {
public list callusers () {
List List = new arraylist ();
service servicemodel = (New objectservicefactory (). create (userservice. class);

xfire = xfirefactory. newinstance (). getxfire ();
xfireproxyfactory factory = new xfireproxyfactory (xfire);
string serviceurl = "http: // localhost: 8080/zhnsmc/services/userservice ";
userservice client = NULL;
try {
client = (userservice) factory. create (servicemodel, serviceurl);
} catch (malformedurlexception e) {
// log. error ("wsclient. callwebservice (): exception: "+ E. tostring ();
}

Try {
List = client. getalluser ();
System. Out. println (list. Size ());
} Catch (exception e ){

}
Return list;
}
Public static void main (string [] ARGs ){
Client client = new client ();
List <userservice> List = client. callusers ();
}

}