The following error(full description below):
com.sun.faces.lifecycle.InvokeApplicationPhase execute WARNING: #{testeHibernate.save}: java.lang.NullPointerException javax.faces.FacesException: #{testeHibernate.save}
This happens when I upload the register button, won't let me enter the values in the database.
Class
UtilizadorDAO.java
package DAO;
import Classhiber.Utilizador;
import java.util.List;
public interface UtilizadorDAO {
public void addutilizador (Utilizador ut);
public List<Utilizador> findallutilizador();
}
UtilizadorDaoimpl.java
package Impl;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import Classhiber.Utilizador;
import DAO.UtilizadorDAO;
public class UtilizadorDAOimpl implements UtilizadorDAO {
private SessionFactory sessionFactory;
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
public void addutilizador(Utilizador ut) {
Session session = this.sessionFactory.openSession();
Transaction tx = session.beginTransaction();
session.persist(ut);
tx.commit();
session.close(); }
public List<Utilizador> findallutilizador() {
Session session = this.sessionFactory.openSession();
List<Utilizador> Utilizadorlist = session.createQuery("from Utilizador").list();
session.close();
return Utilizadorlist;
}
}
testeHibernate.java
import java.util.List;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
import Classhiber.Utilizador;
import DAO.UtilizadorDAO;
import Impl.UtilizadorDAOimpl;
@ManagedBean
@SessionScoped
public class TesteHibernate {
public UtilizadorDAO utdao;
private Utilizador utiliza;
public TesteHibernate()
{
utdao = new UtilizadorDAOimpl();
utiliza = new Utilizador();
}
public UtilizadorDAO getUtilizadorDAO() {
return utdao;
}
public void setUtiliza(UtilizadorDAOimpl ut) {
this.utdao = ut;
}
public Utilizador getUtiliza() {
return utiliza;
}
public void setUtiliza(Utilizador utz) {
this.utiliza = utz;
}
public void save() {
// Calling Business Service
utiliza.setIdUt(12);
System.out.println(utiliza.getUser());
System.out.println(utiliza.getPass());
System.out.println(utiliza.getTip());
utdao.addutilizador(utiliza);
}
}
Spring.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://ift.tt/GArMu6"
xmlns:xsi="http://ift.tt/ra1lAU" xmlns:aop="http://ift.tt/OpNdV1"
xmlns:tx="http://ift.tt/OGfeU2"
xsi:schemaLocation="http://ift.tt/GArMu6 http://ift.tt/1jdM0fG
http://ift.tt/OpNdV1 http://ift.tt/1eQJ7vy
http://ift.tt/OGfeU2 http://ift.tt/KC395X">
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3307/xp" />
<property name="username" value="root" />
<property name="password" value="" />
</bean>
<!-- Hibernate 4 SessionFactory Bean definition -->
<bean id="hibernate4AnnotatedSessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="annotatedClasses">
<list>
<value>Classhiber.Utilizador</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.current_session_context_class">thread</prop>
<prop key="hibernate.show_sql">false</prop>
</props>
</property>
</bean>
<bean id="UtilizadorDAOimpl" class="Impl.UtilizadorDAOimpl">
<property name="sessionFactory" ref="hibernate4AnnotatedSessionFactory" />
</bean>
</beans>
index.xhtml
<html xmlns="http://ift.tt/lH0Osb"
xmlns:ui="http://ift.tt/KsEgXx"
xmlns:h="http://ift.tt/HjFrZb"
xmlns:f="http://ift.tt/HcrI1S"
xmlns:p="http://ift.tt/HjFrZc">
<h:head>
<script name="jquery/jquery.js" library="primefaces"></script>
<title>Register Utilizador</title>
</h:head>
<h:form>
<p:growl id="messages"></p:growl>
<p:panelGrid columns="2">
<p:outputLabel value="Enter Utilizdor User:"></p:outputLabel>
<p:inputText value="#{testeHibernate.utiliza.user}"></p:inputText>
<p:outputLabel value="Enter Utilizador Pass:"></p:outputLabel>
<p:inputText value="#{testeHibernate.utiliza.pass}"></p:inputText>
<p:outputLabel value="Enter Utilizador tip"></p:outputLabel>
<p:inputText value="#{testeHibernate.utiliza.tip}"></p:inputText>
</p:panelGrid>
<p:commandButton value="Register" action="#{testeHibernate.save}" ></p:commandButton>
</h:form>
</html>
Error
Ago 28, 2015 6:23:44 PM com.sun.faces.lifecycle.InvokeApplicationPhase execute
WARNING: #{testeHibernate.save}: java.lang.NullPointerException
javax.faces.FacesException: #{testeHibernate.save}: java.lang.NullPointerException
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118)
at javax.faces.component.UICommand.broadcast(UICommand.java:315)
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:646)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:957)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:101)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
... 26 more
Caused by: java.lang.NullPointerException
at Impl.UtilizadorDAOimpl.addutilizador(UtilizadorDAOimpl.java:21)
at TesteHibernate.save(TesteHibernate.java:46)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.el.parser.AstValue.invoke(AstValue.java:278)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:273)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87)
... 27 more
1245
Ago 28, 2015 6:23:44 PM com.sun.faces.context.AjaxExceptionHandlerImpl handlePartialResponseError
SEVERE: javax.faces.el.EvaluationException: java.lang.NullPointerException
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:101)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
at javax.faces.component.UICommand.broadcast(UICommand.java:315)
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:646)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:957)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at Impl.UtilizadorDAOimpl.addutilizador(UtilizadorDAOimpl.java:21)
at TesteHibernate.save(TesteHibernate.java:46)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.el.parser.AstValue.invoke(AstValue.java:278)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:273)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87)
... 27 more
Thank you. (Excuse me if you have any programming error severe But I am learning)
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