----- Original Message ----
> From: Dave Newton <newton.d...@yahoo.com>
> To: Struts Users Mailing List <user@struts.apache.org>
> Sent: Wednesday, August 19, 2009 7:18:09 AM
> Subject: Re: Hibernate3+Spring2.5+Struts2
>
<snip>
> >>
> >> public class LoginAction extends ActionSupport {
> >>
> >> private UserServiceImp userService;
> >> private String message;
> >> private String username;
> >> private String password;
> >> private ResourceBundleMessageSource messageSource;
> >>
> >> public LoginAction() {
> >> }
> >>
> >> @Override
> >> public String execute() throws Exception {
> >> User usr = userService.getUser(username);
> >> if(usr != null){
> >> if(usr.getPassword().equals(password)){
> >> message = messageSource.getMessage("loginSuccess",
> > null,Locale.CHINA);
> >> }else{
> >> message = messageSource.getMessage("pswError",
> > null,Locale.CHINA);
> >> }
> >> }else{
> >> message = messageSource.getMessage("usrError",
> > null,Locale.CHINA);
> >> }
> >> return SUCCESS;
> >> }
> >>
> >> public void setUserService(UserServiceImp userService) {
> >> this.userService = userService;
> >> }
> >>
> >> public String getMessage() {
> >> return message;
> >> }
> >>
> >> public void setMessage(String message) {
> >> this.message = message;
> >> }
> >>
> >> public String getUsername() {
> >> return username;
> >> }
> >>
> >> public void setUsername(String username) {
> >> this.username = username;
> >> }
> >>
> >> public String getPassword() {
> >> return password;
> >> }
> >>
> >> public void setPassword(String password) {
> >> this.password = password;
> >> }
> >>
> >> public void setMessageSource(ResourceBundleMessageSource messageSource)
> > {
> >> this.messageSource = messageSource;
> >> }
> >>
> >> }
> >>
<snip>
Your UserServiceImp userService was instantiated but never initialized in your
LoginAction class. Hence the NPE. When you to execute a method that does not
a reference to real object, you'll get NPE. You might want to review your java
:)
Best regards,
Tommy
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