Java EE 6 exception persistance

**szambaux** · 09/02/2012, 22h04

Bonjour, je m'essaye à Java EE 6 et j'ai l'erreur suivante:

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
exception
 
javax.servlet.ServletException: javax.persistence.TransactionRequiredException: Transaction is required to perform this operation (either use a transaction or extended persistence context)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:606)
	org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:67)
cause mère
 
javax.faces.el.EvaluationException: javax.persistence.TransactionRequiredException: Transaction is required to perform this operation (either use a transaction or extended persistence context)
	javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
	com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
	javax.faces.component.UICommand.broadcast(UICommand.java:315)
	javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
	javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
	com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
	com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
	org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:67)

j'ai cette erreur lorsque j'essaye d'enregistrer en base un widget créer, voici mon code:

Widget.java

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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
package knowledge.tuto1;
 
import java.io.Serializable;
 
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
 
@Entity
public class Widget implements Serializable
{
   private Long id;
   private String partNumber;
   private String name;
   private String description;
 
   @Id
   @GeneratedValue
   public Long getId()
   {
      return id;
   }
 
   public void setId(Long id)
   {
      this.id = id;
   }
 
   // demonstrates a column name override
   @Column(name = "partno")
   public String getPartNumber()
   {
      return partNumber;
   }
 
   public void setPartNumber(String partNumber)
   {
      this.partNumber = partNumber;
   }
 
   public String getName()
   {
      return name;
   }
 
   public void setName(String name)
   {
      this.name = name;
   }
 
   public String getDescription()
   {
      return description;
   }
 
   public void setDescription(String description)
   {
      this.description = description;
   }
 
   /** Default value included to remove warning.  Remove or modify at will.  */  
   private static final long serialVersionUID = 1L;
}

Mon controleur.java

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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
 
package knowledge.tuto1;
 
import javax.annotation.PostConstruct;
import javax.ejb.TransactionManagement;
import javax.enterprise.inject.Model;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.validation.constraints.Digits;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Pattern;
 
import org.hibernate.validator.constraints.Email;
import org.hibernate.validator.constraints.NotEmpty;
 
public @Model class Controleur {
	private Widget widget;
	private final String text = "";
 
	private String letters;
 
	private String numbers;
 
	private String email;
 
	@Inject
	@WidgetRepository
	EntityManager widgetRepository;
 
	public Controleur() {
	}
 
	@PostConstruct
	public void initialize() {
		widget = new Widget();
		System.out
				.println(this.getClass().getSimpleName() + " was constructed");
	}
 
	public String getText() {
		return text;
	}
 
	public Widget getWidget() {
		return widget;
	}
 
	public void setWidget() {
		widgetRepository.persist(widget);
	}
 
}

et mon fichier xhtml

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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
 
<?xml version="1.0" encoding="UTF-8"?>
<ui:composition xmlns="http://www.w3.org/1999/xhtml"
   xmlns:ui="http://java.sun.com/jsf/facelets"
   xmlns:f="http://java.sun.com/jsf/core"
   xmlns:h="http://java.sun.com/jsf/html"
   template="/WEB-INF/templates/default.xhtml">
   <ui:define name="content">
      <h1>Hello World!</h1>
      <p>Your CDI bean <code>HelloWorld</code> says <span style="color: blue;">#{controleur.text}</span> using the Unified EL.</p>
 
      <h:form id="bv">
         <h2>Bean Validation examples</h2>
         <p>Enforces annotation-based constraints defined on the model class.</p>
         <table>
            <tr>
               <th style="text-align: right;">
                  <h:outputLabel for="part" value="Partner:"/>
               </th>
               <td>
                  <h:inputText id="part" value="#{controleur.widget.partNumber}"/>
                  <h:message for="part" errorClass="invalid"/>
               </td>
            </tr>
            <tr>
               <th style="text-align: right;">
                  <h:outputLabel for="name" value="Name:"/>
               </th>
               <td>
                  <h:inputText id="name" value="#{controleur.widget.name}"/>
                  <h:message for="name" errorClass="invalid"/>
               </td>
            </tr>
            <tr>
               <th style="text-align: right;">
                  <h:outputLabel for="desc" value="Description:"/>
               </th>
               <td>
                  <h:inputText id="desc" value="#{controleur.widget.description}"/>
                  <h:message for="desc" errorClass="invalid"/>
               </td>
            </tr>
         </table>
         <p>
            <h:commandButton id="check" action="#{controleur.setWidget()}" value="Check values"/>
            <h:outputText value=" All clear!" rendered="#{facesContext.postback and empty facesContext.messageList}" style="color: green;"/>
         </p>
      </h:form>
      <h2>Widgets</h2>
      <h:dataTable var="_widget" value="#{widgets}">
         <h:column>
         <f:facet name="header">Id</f:facet>
            #{_widget.id}
         </h:column>
         <h:column>
            <f:facet name="header">Part Number</f:facet>
            #{_widget.partNumber}
         </h:column>
         <h:column>
            <f:facet name="header">Name</f:facet>
            #{_widget.name}
         </h:column>
         <h:column>
            <f:facet name="header">Description</f:facet>
            #{_widget.description}
         </h:column>
      </h:dataTable>
   </ui:define>
</ui:composition>

erreur lors de l'appel à la methode setWidget()

merci beaucoup.

Java EE 6 exception persistance

JPA Java

Mode arborescent

Discussions similaires

Partager

Partager