Méthode persist avec JPA + EJB + JSF
Bonjour, j'ai essayé d'ajouter des données à ma base dans mon application, mais g tjs eu des problèmes.
Je ne sais pas si j'ai manqué quelque chose dans mon code.
Je vous prie de jeter un coup d'oeil et me dire si c juste ou pas.
Table: Files
colonnes: idFiles, type (varchar)
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| /*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package sessions;
import entities.Files;
import java.util.List;
import javax.ejb.Stateless;
import javax.ejb.LocalBean;
import javax.persistence.EntityManager;
import javax.persistence.Persistence;
@Stateless
@LocalBean
public class FilesManager {
private static final String JPA_UNIT_NAME = "core-ejbPU";
private EntityManager entityManager;
protected EntityManager getEntityManager() {
if (entityManager == null) {
entityManager = Persistence.createEntityManagerFactory(
JPA_UNIT_NAME).createEntityManager();
}
return entityManager;
}
//lecture
public List<Files> findAll() {
List<Files> files = getEntityManager().createQuery("select p from Files p").getResultList();
return files;
}
//create
public Files insert(Files u) {
getEntityManager().getTransaction().begin();
getEntityManager().persist(u);
getEntityManager().getTransaction().commit();
return u;
}
} |
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| /*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package managedbeans;
import entities.Files;
import java.util.List;
import javax.inject.Named;
import javax.enterprise.context.SessionScoped;
import java.io.Serializable;
import sessions.FilesManager;
@Named(value = "filesMBean")
@SessionScoped
public class FilesMBean implements Serializable {
private Files newFile = new Files();
private FilesManager fileMan = new FilesManager();
private List<Files> files;
/** Creates a new instance of FilesMBean */
public FilesMBean() {
}
public List<Files> getFiles() {
if (files == null) {
files = fileMan.findAll();
}
return files;
}
public String createFiles() {
fileMan.insert(newFile);
newFile = new Files();
files = fileMan.findAll();
return "list";
}
} |
add.xhtml
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| <?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core">
<h:head>
<title>Facelet Title</title>
</h:head>
<h:body>
<f:view>
<h:form>
<h:panelGrid border="0" columns="3" cellpadding="5">
<h:outputText value="type" />
<h:inputText id="type" value="#{filesMBean.newFile.type}"
required="true" requiredMessage="Pr??nom obligatoire" />
<h:message for="firstName" />
<h:commandButton value="Ajouter" action="#{filesMBean.createFiles}" />
</h:panelGrid>
</h:form>
</f:view>
</h:body>
</html> |
list.xhtml
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| <?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core">
<h:head>
<title>Facelet Title</title>
</h:head>
<h:body>
<f:view>
<h:dataTable border="0" rules="all" value="#{filesMBean.files}"
var="p">
<h:column>
<f:facet name="header">
<h:outputText value="type" />
</f:facet>
<h:outputText value="#{p.type}" />
</h:column>
</h:dataTable>
<h:panelGrid columns="2" cellpadding="10">
</h:panelGrid>
</f:view>
</h:body>
</html> |
persistence.xml
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| <?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
<persistence-unit name="core-ejbPU" transaction-type="JTA">
<jta-data-source>cor</jta-data-source>
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties/>
</persistence-unit>
</persistence> |
l'erreur affichée est:
/add.xhtml @15,89 value="#{filesMBean.newFile.type}": The class 'managedbeans.org$jboss$weld$bean-core-war_war-ManagedBean-class_managedbeans$FilesMBean_$$_WeldClientProxy' does not have the property 'newFile'.
le stack tree:
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| javax.el.PropertyNotFoundException: /add.xhtml @15,89 value="#{filesMBean.newFile.type}": The class 'managedbeans.org$jboss$weld$bean-core-war_war-ManagedBean-class_managedbeans$FilesMBean_$$_WeldClientProxy' does not have the property 'newFile'.
at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:111)
at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194)
at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182)
at javax.faces.component.UIOutput.getValue(UIOutput.java:169)
at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:205)
at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:355)
at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:164)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875)
at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:312)
at com.sun.faces.renderkit.html_basic.GridRenderer.renderRow(GridRenderer.java:185)
at com.sun.faces.renderkit.html_basic.GridRenderer.encodeChildren(GridRenderer.java:129)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1756)
at javax.faces.render.Renderer.encodeChildren(Renderer.java:168)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1756)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1759)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1759)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:401)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:121)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722) |
je vous remercie
