Erreurs au niveau de GWT (GWT + Hibernate + Spring)

Bonjour,

Je suis débutant en GWT. Je commence à faire une application GWT dont j'utilise aussi Hibernate et Spring.

Je rencontre des erreurs lors de l'exécution au niveau de GWT.

Voilà la structure de mon application :

http://www.developpez.net/forums/att...1&d=1360438630

Voilà ma classe GWT_Test1.java :

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
package com.afkir.client;
 
import java.util.ArrayList;
import java.util.List;
 
import org.springframework.context.support.ClassPathXmlApplicationContext;
 
import com.afkir.model.User;
import com.afkir.shared.FieldVerifier;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.WindowResizeListener;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.DockPanel;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TabPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;
 
/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class GWT_Test1 implements EntryPoint {
 
private static final int LIST_TAB_INDEX = 2; 
 
	//ui
	private final TabPanel tabPanel = new TabPanel();
	private Grid createContent;
	private FlexTable listContent = new FlexTable();
 
	private final TextBox txtNewProductId = new TextBox();
	private final TextBox txtNewProductName = new TextBox();
	private final TextBox txtNewProductVendorName = new TextBox();
	private final Button btnSaveNewProduct = new Button("Save");
 
 
	//service
	private UserServiceAsync userService = GWT.create(UserService.class);
 
	public void onModuleLoad() {
 
		createContent = createCreateContent();
 
		tabPanel.setStyleName("tabPanel");
 
		tabPanel.add(createContent, "Create Product");
		tabPanel.add(listContent, "List Products");
		tabPanel.addSelectionHandler(new SelectionHandler<Integer>() {
 
			@Override
			public void onSelection(SelectionEvent<Integer> event) {
				if (event.getSelectedItem() == LIST_TAB_INDEX) {
					//we're in list-products
 
					//clear list
					listContent.removeAllRows();
 
					listContent.setText(0, 0, "Id");
					listContent.setText(0, 1, "Name");
					listContent.setText(0, 2, "Surname");
 
					userService.list(new AsyncCallback<List<User>>() {
 
						@Override
						public void onFailure(Throwable caught) {
							Window.alert(caught.getMessage());
						}
 
						@Override
						public void onSuccess(List<User> result) {
							for(User user : result) {
 
								int row = listContent.getRowCount();
								listContent.setText(row, 0, user.getId() + "");
								listContent.setText(row, 1, user.getName());
								listContent.setText(row, 2, user.getSurname());
							}
						}
 
					});
				}
			}
		});
 
		RootPanel.get("root").add(tabPanel);
 
		tabPanel.selectTab(0);
	}
 
	private Grid createCreateContent() {
		Grid grid = new Grid(6, 2);
 
		grid.setText(0, 0, "Product Id:");
		grid.setWidget(0, 1, txtNewProductId);
 
		grid.setText(0, 0, "Product Name:");
		grid.setWidget(0, 1, txtNewProductName);
 
		grid.setText(1, 0, "Vendor Name:");
		grid.setWidget(1, 1, txtNewProductVendorName);
 
		grid.setText(4, 0, "");
		grid.setText(4, 1, "");
 
		grid.setText(5, 0, "");			
		grid.setWidget(5, 1, btnSaveNewProduct);
 
		btnSaveNewProduct.addClickHandler(new ClickHandler() {
 
			@Override
			public void onClick(ClickEvent event) {
				User user = new User();
				user.setId(Integer.parseInt(txtNewProductName.getText()));
				user.setName(txtNewProductName.getText());
				user.setSurname(txtNewProductVendorName.getText());
				List<String> users = new ArrayList<String>();
 
				userService.save(user, new AsyncCallback<Void>() {
 
					@Override
					public void onSuccess(Void result) {
						Window.alert("Product successfully saved!");
						clearNewForm();
					}
 
					@Override
					public void onFailure(Throwable caught) {
						Window.alert(caught.getMessage());
					}
				});
			}
		});
 
		return grid;
	}
 
	private void clearNewForm() {
		txtNewProductId.setText("");
		txtNewProductName.setText("");
		txtNewProductVendorName.setText("");
	}
 
}

Voilà mon interface UserService :

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
package com.afkir.client;
 
import java.util.List;
 
import com.afkir.model.User;
import com.google.gwt.user.client.rpc.RemoteService;
import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;
 
@RemoteServiceRelativePath("userServices/userService")
public interface UserService extends RemoteService {
 
	public List<User> list();
	public void save(User user);
 
}

Voilà mon interface UserServiceAsync :

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
package com.afkir.client;
 
import java.util.List;
 
import com.afkir.model.User;
import com.google.gwt.user.client.rpc.AsyncCallback;
 
public interface UserServiceAsync {
 
	void list(AsyncCallback<List<User>> callback);
	void save(User user, AsyncCallback<Void> callback);
 
}

Voilà ma classe UserServiceImpl :

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
package com.afkir.server;
 
import java.util.List;
 
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
 
import com.afkir.client.UserService;
import com.afkir.model.User;
 
@Service("userService")
@Transactional
public class UserServiceImpl implements UserService {
 
	@Autowired
	private SessionFactory sessionFactory;
 
	@Override
	public List<User> list() {
		return sessionFactory.getCurrentSession().createQuery("from User").list();
	}
 
	@Override
	public void save(User user) {
		sessionFactory.getCurrentSession().save(user);
	}
 
}

Voilà mon fichier web.xml :

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
<?xml version="1.0" encoding="UTF-8" standalone="no"?><web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.5" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee                http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
 
    <listener>		
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<listener>
       <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
  	</listener>
 
	<context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
 
	<servlet>
 		<servlet-name>spring4gwt</servlet-name>
 		<servlet-class>org.spring4gwt.server.SpringGwtRemoteServiceServlet</servlet-class>
  	</servlet>
  	<servlet-mapping>
 		<servlet-name>spring4gwt</servlet-name>
 		<url-pattern>/GWT_Test1/userServices/*</url-pattern>
  	</servlet-mapping>
  	
  <!-- Servlets -->
  <servlet>
    <servlet-name>greetServlet</servlet-name>
    <servlet-class>com.afkir.server.GreetingServiceImpl</servlet-class>
  </servlet>
  
  <servlet-mapping>
    <servlet-name>greetServlet</servlet-name>
    <url-pattern>/gwt_test1/greet</url-pattern>
  </servlet-mapping>
  
  <!-- Default page to serve -->
  <welcome-file-list>
    <welcome-file>GWT_Test1.html</welcome-file>
  </welcome-file-list>
 
  <servlet>
    <servlet-name>SystemServiceServlet</servlet-name>
    <servlet-class>com.google.api.server.spi.SystemServiceServlet</servlet-class>
    <init-param>
      <param-name>services</param-name>
      <param-value/>
    </init-param>
  </servlet>
 
  <servlet-mapping>
    <servlet-name>SystemServiceServlet</servlet-name>
    <url-pattern>/_ah/spi/*</url-pattern>
  </servlet-mapping>
 
</web-app>

Voilà les erreurs que je rencontre :

Code:

1
2
3
4
5
6
7
8
9
[TRACE] [gwt_test1] - Finding entry point classes
	[ERROR] [gwt_test1] - Errors in 'file:/Q:/Apache%20Software%20Foundation/Tomcat%206.0/webapps/GWT_Test1/src/com/afkir/client/GWT_Test1.java'
		[ERROR] [gwt_test1] - Line 78: No source code is available for type com.afkir.model.User; did you forget to inherit a required module?
	[ERROR] [gwt_test1] - Errors in 'file:/Q:/Apache%20Software%20Foundation/Tomcat%206.0/webapps/GWT_Test1/src/com/afkir/client/UserServiceAsync.java'
		[ERROR] [gwt_test1] - Line 10: No source code is available for type com.afkir.model.User; did you forget to inherit a required module?
	[ERROR] [gwt_test1] - Unable to find type 'com.afkir.client.GWT_Test1'
		[ERROR] [gwt_test1] - Hint: Previous compiler errors may have made this type unavailable
		[ERROR] [gwt_test1] - Hint: Check the inheritance chain from your module; it may not be inheriting a required module or a module may not be adding its source path entries properly
[ERROR] [gwt_test1] - Failed to load module 'gwt_test1' from user agent 'Mozilla/5.0 (Windows NT 6.1; rv:18.0) Gecko/20100101 Firefox/18.0' at localhost127.0.0.1:6122

J'ai besoin de vos renseignements,

Merci bien d'avance.