Re: Hibernate3+Spring2.5+Struts2

Wed, 19 Aug 2009 07:18:43 -0700 

Is there a user service injected into your action?
If so, does the service return a user? (Are you typing your program in via SMS? It seems like everything is named reasonable except for "usr" :( 


It's really difficult for us to help when we don't know the line that's 
causing the error: *you* know that, and should either tell us, or 
provide a means for us to figure it out. The more relevant information 
you can provide the easier it is for us to help :)


Dave

Zied Bejaoui wrote:

Well the problem is that this is my first example with spring and hibernate
I have downloaded the example which should create a login application, now
as I said the table have an id a user name and a password.
Here is the line of the exception:

User usr = userService.getUser(username);

Here is the user service interface and class:

package service;
import dao.UserDaoImpl;
import po.User;
/**
 *
 * @author ABIS1
 */
public interface UserService {
    void addUser(String userName, String password, int admin) throws
Exception;

    User getUser(long userId);

   
    User getUser(String userName);


    void setUserDao(UserDaoImpl userDao);

}

---------------------

package service;
import po.User;

/**
 *
 * @author ABIS1
 */
public class UserServiceImp implements UserService {

    
     private dao.UserDao userDao;


    public void addUser(String userName, String password, int admin) throws
Exception{
        po.User user = new User();

        
       
        user.setName(userName);

        user.setPassword(password);
        try
        {
            userDao.save(user);
        }
        catch(Exception err)
        {
            throw err;
        }
    }
    public User getUser(long userId)
    {
        return userDao.getUser(userId);
    }

    public void setUserDao(dao.UserDaoImpl userDao) {
        this.userDao = userDao;
    }

    public User getUser(String userName) {
        return this.userDao.getUser(userName);
    }

}

-----------------------

And the user dao interface and implementation:

package dao;
import po.User;


/**
 *
 * @author ABIS1
 */
public interface UserDao {

    
    void save(User user) throws Exception;

    User getUser(long userId);
    User getUser(String userName);

}

-------------

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package dao;

import po.*;
import dao.UserDao;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

/**
 *
 * @author ABIS1
 */
public class UserDaoImpl extends HibernateDaoSupport implements UserDao {

    
    public void save(User user) throws Exception

    {
        try
        {
            getHibernateTemplate().save(user);
        }
        catch(Exception err)
        {
            throw err;
        }


    }   


    public User getUser(long userId)
    {
        return (User)getHibernateTemplate().get(User.class, userId);

    } 


    public User getUser(String userName) {
        return (User)getHibernateTemplate().find("from User as u where
u.name = ?", userName).get(0);
    }

}





-----Original Message-----

From: Nils-Helge Garli Hegvik [mailto:nil...@gmail.com] 
Sent: 19 August 2009 13:05

To: Struts Users Mailing List
Subject: Re: Hibernate3+Spring2.5+Struts2

java.lang.NullPointerException
       at action.LoginAction.execute(LoginAction.java:31)

Looks like you have a NPE at line 31 in LoginAction. What line is
that? Which references could have been null?

Nils-H

On Wed, Aug 19, 2009 at 1:59 PM, Zied Bejaoui<bejaouiz...@hotmail.com>
wrote:

Thanks for your help, I have fixed this problem by removing the admin

property from the mapping file, now I am having another error, the login
page display then as soon as I enter the login details I receive this
exception:

java.lang.NullPointerException
       at action.LoginAction.execute(LoginAction.java:31)
       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at

sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)

       at

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)

       at java.lang.reflect.Method.invoke(Method.java:597)
       at

com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionIn
vocation.java:404)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActi
onInvocation.java:267)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:229)

       at

com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(D
efaultWorkflowInterceptor.java:221)

       at

com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method
FilterInterceptor.java:86)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(Validati
onInterceptor.java:150)

       at

org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.do
Intercept(AnnotationValidationInterceptor.java:48)

       at

com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method
FilterInterceptor.java:86)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(Con
versionErrorInterceptor.java:123)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(Parame
tersInterceptor.java:167)

       at

com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method
FilterInterceptor.java:86)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(St
aticParametersInterceptor.java:105)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterce
ptor.java:83)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInt
erceptor.java:207)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDr
ivenInterceptor.java:74)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(S
copedModelDrivenInterceptor.java:127)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(Prof
ilingActivationInterceptor.java:107)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(Debu
ggingInterceptor.java:206)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingIn
terceptor.java:115)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nIntercepto
r.java:143)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareIn
terceptor.java:121)

       at

com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method
FilterInterceptor.java:86)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletCon
figInterceptor.java:170)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasIntercep
tor.java:123)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(Ex
ceptionMappingInterceptor.java:176)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:224)

       at

com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:223)

       at

com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

       at

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:221)

       at

org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:50)

       at

org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:504)

       at

org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.jav
a:419)

       at

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:235)

       at

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:206)

       at

org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter
.java:390)

       at

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:235)

       at

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:206)

       at

org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:233)

       at

org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:175)

       at

org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128
)

       at

org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102
)

       at

org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)

       at

org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)

       at

org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)

       at

org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http
11Protocol.java:583)

       at

org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)

       at java.lang.Thread.run(Thread.java:619)
Here is my login Action:

* @author ABIS1
 */

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;
   }

}

This is the userServiceImpl:

package service;
import po.User;

/**
 *
 * @author ABIS1
 */
public class UserServiceImp implements UserService {

    private dao.UserDao userDao;

   public void addUser(String userName, String password, int admin) throws

Exception{

       po.User user = new User();
       user.setId(12);
      // user.setId(admin);
       user.setName(userName);
       user.setPassword(password);
       try
       {
           userDao.save(user);
       }
       catch(Exception err)
       {
           throw err;
       }
   }
   public User getUser(long userId)
   {
       return userDao.getUser(userId);
   }

   public void setUserDao(dao.UserDaoImpl userDao) {
       this.userDao = userDao;
   }

   public User getUser(String userName) {
       return this.userDao.getUser(userName);
   }

}



-----Original Message-----
From: Lukasz Lenart [mailto:lukasz.len...@googlemail.com]
Sent: 19 August 2009 12:11
To: Struts Users Mailing List
Subject: Re: Hibernate3+Spring2.5+Struts2

Hi,

That the source of your problems:
Caused by: org.hibernate.PropertyNotFoundException: Could not find a
getter for admin in class po.User

Check mapping files, you are trying to map admin property which
doesn't exist in User class.


Regards
--
Lukasz
http://www.lenart.org.pl/
http://dailylog.lenart.org.pl/

---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscr...@struts.apache.org
For additional commands, e-mail: user-h...@struts.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscr...@struts.apache.org
For additional commands, e-mail: user-h...@struts.apache.org




---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscr...@struts.apache.org
For additional commands, e-mail: user-h...@struts.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscr...@struts.apache.org
For additional commands, e-mail: user-h...@struts.apache.org





---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscr...@struts.apache.org
For additional commands, e-mail: user-h...@struts.apache.org























					Reply via email to