probleme injection spring dans une action Struts
Bonjour a tous
je suis débutant spring,
J'ai commencé a déployer mon exemple mais je pense que ca marchepas vu que j'ai un null exception
voila mes class
Mon 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
55
56
| <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<servlet>
<servlet-name>ActionServlet</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>application</param-name>
<param-value>ApplicationRessources</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
</servlet>
<servlet-mapping>
<servlet-name>ActionServlet</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
<taglib>
<taglib-uri>/WEB-INF/struts-bean.tld</taglib-uri>
<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/WEB-INF/struts-html.tld</taglib-uri>
<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/WEB-INF/struts-logic.tld</taglib-uri>
<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/WEB-INF/struts-template.tld</taglib-uri>
<taglib-location>/WEB-INF/struts-template.tld</taglib-location>
</taglib>
</web-app> |
Mon applicationContext.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
| <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
<bean id="myServiceImpl" class="service.ServiceImpl">
</bean>
<bean id="myobjectService" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="proxyInterfaces"><value>service.IService</value></property>
<property name="interceptorNames">
<list>
<value>myServiceImpl</value>
</list>
</property>
</bean>
<bean class="app.UserDisplayAction">
<property name="service">
<ref bean="myServiceImpl"/>
</property>
</bean>
</beans> |
La class ou j'utilise cette injection:
avec ServiceImpl service;
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
| package app;
/***
* Cette classe va faire appel soit aux classes métier, aux classes de données.
* Elle retournera ensuite les données a la page
*/
import java.util.ArrayList;
import java.util.List;
import java.util.Vector;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import service.IService;
import service.ServiceImpl;
import appHIB.User;
public class UserDisplayAction extends Action {
ServiceImpl service;
public ServiceImpl getService() {
return service;
}
public void setService(ServiceImpl service) {
this.service = service;
}
@SuppressWarnings({ "unchecked", "static-access" })
public ActionForward perform(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) {
System.out.println("Action2");
String cible=new String("succes");
UserAjouterBean Formulaire = (UserAjouterBean) actionForm;
User user;
List Userlogin = new ArrayList();
user =(User) service.saisirActionU(Formulaire);
try {
Userlogin =service.getAllUser();
} catch (Throwable e) {
e.printStackTrace();
}
if(user==null) {
cible="pastrouve";
}
else{
Vector groups = new Vector();
groups.add(0, user);
groups.add(1, Userlogin);
httpServletRequest.setAttribute("displayU",groups);
}
return actionMapping.findForward(cible);
}
} |
mais quand je lance l'userDisplayAction j'ai l erreur suivante:
Code:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
| javax.servlet.ServletException: java.lang.NullPointerException
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:545)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:486)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
cause m�re
java.lang.NullPointerException
app.UserDisplayAction.perform(UserDisplayAction.java:45)
org.apache.struts.action.Action.execute(Action.java:420)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717) |
Merci d'avance
