Discussion :

[soufianet]

Bonjour tout le monde je voudrai ajouter une fonction Edit dans ma classe Reclamation mais ca me sort une erreur :
voici mon code :

Code :

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package com.intervention.jsf.beans;
 
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
 
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
 
import com.intervention.jsf.dao.ImpleRecamation;
import com.intervention.jsf.util.DataConnect;
 
@ManagedBean
@SessionScoped
public class Reclamation {
private int id_reclamation;
private int id_intervention;
private int id_operateur;
private String description;
private String date_reclamation;
private int id_Panne;
private int id_equipememnt;
private String etat;
public Reclamation() {
	super();
	// TODO Auto-generated constructor stub
}
 
public Reclamation(int id_reclamation, int id_intervention, int id_operateur, String description,
		String date_reclamation, int id_Panne, int id_equipememnt, String etat) {
	super();
	this.id_reclamation = id_reclamation;
	this.id_intervention = id_intervention;
	this.id_operateur = id_operateur;
	this.description = description;
	this.date_reclamation = date_reclamation;
	this.id_Panne = id_Panne;
	this.id_equipememnt = id_equipememnt;
	this.etat = etat;
}
 
public String getDate_reclamation() {
	return date_reclamation;
}
 
public void setDate_reclamation(String date_reclamation) {
	this.date_reclamation = date_reclamation;
}
 
public int getId_reclamation() {
	return id_reclamation;
}
public void setId_reclamation(int id_reclamation) {
	this.id_reclamation = id_reclamation;
}
public int getId_intervention() {
	return id_intervention;
}
public void setId_intervention(int id_intervention) {
	this.id_intervention = id_intervention;
}
public int getId_operateur() {
	return id_operateur;
}
public void setId_operateur(int id_operateur) {
	this.id_operateur = id_operateur;
}
public String getDescription() {
	return description;
}
public void setDescription(String description) {
	this.description = description;
}
public int getId_Panne() {
	return id_Panne;
}
public void setId_Panne(int id_Panne) {
	this.id_Panne = id_Panne;
}
public int getId_equipememnt() {
	return id_equipememnt;
}
public void setId_equipememnt(int id_equipememnt) {
	this.id_equipememnt = id_equipememnt;
}
public String getEtat() {
	return etat;
}
public void setEtat(String etat) {
	this.etat = etat;
}
public ArrayList<Reclamation> lister() throws Exception {
	ArrayList<Reclamation> list_reclamation = new ArrayList<>();
	PreparedStatement rst;
 
	String str="SELECT ID_RECLAMATION, ID_INTERVENTION, ID_OPERATEUR, DESCRIPTION, DATE_RECLAMATION , ID_PANNE , ID_EQUIPEMENT, ETAT FROM reclamation";
	Connection con =DataConnect.getConnection();
	rst=con.prepareStatement(str);
 
	ResultSet rs=rst.executeQuery();
	while(rs.next()){
		Reclamation reclamation= new Reclamation();
		reclamation.setId_reclamation(rs.getInt("Id_reclamation"));
		reclamation.setId_intervention(rs.getInt("Id_intervention"));
		reclamation.setId_operateur(rs.getInt("Id_operateur"));
		reclamation.setDescription(rs.getString("Description"));
		reclamation.setDate_reclamation(rs.getString("Date_reclamation"));
		reclamation.setId_Panne(rs.getInt("id_panne"));
		reclamation.setId_equipememnt(rs.getInt("id_equipement"));
		reclamation.setEtat(rs.getString("etat"));
		list_reclamation.add(reclamation);
	}
 
		return list_reclamation ;
}
public void modifier() throws Exception {
//	Connection con =DataConnect.getConnection();
	int id_reclamation;
//	Reclamation reclamation_changer= new Reclamation();
	ArrayList<Reclamation> reclamation_supprimer=lister();
	FacesContext fac= FacesContext.getCurrentInstance();
//Map<String,String> Mapparam= fac.getExternalContext().getInitParameterMap();
	HttpServletRequest request =(HttpServletRequest) fac.getExternalContext().getRequest();
	id_reclamation=Integer.parseInt(request.getParameter("id_reclamation"));
	for(Reclamation reclama: reclamation_supprimer){
		if(reclama.getId_reclamation()==id_reclamation){
			this.setId_reclamation(reclama.getId_reclamation());
			this.setId_intervention(reclama.getId_intervention());
			this.setId_operateur(reclama.getId_operateur());
			this.setDescription(reclama.getDescription());
			this.setDate_reclamation(reclama.getDate_reclamation());
			this.setId_Panne(reclama.getId_Panne());
		     this.setId_equipememnt(reclama.getId_equipememnt());
			 this.setEtat(reclama.getEtat());
		}
 
	}
 
 
 
}
 
}

et voila l'erreur :

Code :

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at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:111)
	at javax.faces.event.MethodExpressionActionListener.processAction(MethodExpressionActionListener.java:147)
	at javax.faces.event.ActionEvent.processListener(ActionEvent.java:88)
	at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:814)
	at javax.faces.component.UICommand.broadcast(UICommand.java:300)
	at javax.faces.component.UIData.broadcast(UIData.java:1108)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790)
	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:658)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)
	at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)
	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)
	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)
	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)
	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
	at com.intervention.jsf.beans.Reclamation.modifier(Reclamation.java:127)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at javax.el.ELUtil.invokeMethod(ELUtil.java:332)
	at javax.el.BeanELResolver.invoke(BeanELResolver.java:537)
	at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:256)
	at com.sun.el.parser.AstValue.invoke(AstValue.java:283)
	at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:304)
	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
	... 39 more
 
2016-05-31T10:37:22.714+0100|FATAL: JSF1073: javax.faces.FacesException caught during processing of INVOKE_APPLICATION 5 : UIComponent-ClientId=, Message=/admin.xhtml @51,110 actionListener="#{reclamation.modifier()}": java.lang.NullPointerException
2016-05-31T10:37:22.715+0100|FATAL: /admin.xhtml @51,110 actionListener="#{reclamation.modifier()}": java.lang.NullPointerException
javax.faces.FacesException: /admin.xhtml @51,110 actionListener="#{reclamation.modifier()}": java.lang.NullPointerException
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:89)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:658)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)
	at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)
	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)
	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)
	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)
	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
	at java.lang.Thread.run(Thread.java:745)
Caused by: javax.el.ELException: /admin.xhtml @51,110 actionListener="#{reclamation.modifier()}": java.lang.NullPointerException
	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:111)
	at javax.faces.event.MethodExpressionActionListener.processAction(MethodExpressionActionListener.java:147)
	at javax.faces.event.ActionEvent.processListener(ActionEvent.java:88)
	at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:814)
	at javax.faces.component.UICommand.broadcast(UICommand.java:300)
	at javax.faces.component.UIData.broadcast(UIData.java:1108)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790)
	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
	... 31 more
Caused by: java.lang.NullPointerException
	at com.intervention.jsf.beans.Reclamation.modifier(Reclamation.java:127)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at javax.el.ELUtil.invokeMethod(ELUtil.java:332)
	at javax.el.BeanELResolver.invoke(BeanELResolver.java:537)
	at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:256)
	at com.sun.el.parser.AstValue.invoke(AstValue.java:283)
	at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:304)
	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
	... 39 more

[Jacques Beauregard]

Coucou,

Code :

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Caused by: java.lang.NullPointerException
	at com.intervention.jsf.beans.Reclamation.modifier(Reclamation.java:127

Tu peux mettre un point d'arrêt ligne 127 et debug la variable fac