listContacts
コントローラー
の何が問題なのかわかりmap.put("contactList", contactService.listContact());
ません。誰か助けてもらえますか?
SEVERE: サーブレット [dispatcher] の Servlet.service() がパス [/test] のコンテキストで例外をスローしました [リクエストの処理に失敗しました。ネストされた例外は java.lang.NullPointerException] ですorg.springframework. org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter の web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)。
package pl.ivmx.contact.controller;
import java.util.Map;
import pl.ivmx.contact.dao.ContactDAO;
import pl.ivmx.contact.form.Contact;
import pl.ivmx.contact.service.ContactService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
@Controller
public class ContactController {
@Autowired
private ContactService contactService;
@RequestMapping("/contact")
public String listContacts(Map<String, Object> map) {
map.put("contact", new Contact());
map.put("contactList", contactService.listContact());
return "/contact";
}
@RequestMapping(value = "/add", method = RequestMethod.POST)
public String addContact(@ModelAttribute("contact") Contact contact,
BindingResult result) {
contactService.addContact(contact);
return "redirect:/contact";
}
@RequestMapping("/delete/{contactId}")
public String deleteContact(@PathVariable("contactId") Integer contactId) {
contactService.removeContact(contactId);
return "redirect:/contact";
}
}
package pl.ivmx.contact.dao;
import java.util.List;
import pl.ivmx.contact.form.Contact;
public interface ContactDAO {
public void addContact(Contact contact);
public List<Contact> listContact();
public void removeContact(Integer id);
}
パッケージ pl.ivmx.contact.dao;
import java.util.List;
import pl.ivmx.contact.form.Contact;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
@Repository
public class ContactDAOImpl implements ContactDAO {
@Autowired
private SessionFactory sessionFactory;
public void addContact(Contact contact) {
sessionFactory.getCurrentSession().save(contact);
}
public List<Contact> listContact() {
return sessionFactory.getCurrentSession().createQuery("from Contact").list();
}
public void removeContact(Integer id) {
Contact contact = (Contact) sessionFactory.getCurrentSession().load(
Contact.class, id);
if (null != contact) {
sessionFactory.getCurrentSession().delete(contact);
}
}
}
パッケージ pl.ivmx.contact.service;
import java.util.List;
import pl.ivmx.contact.form.Contact;
public interface ContactService {
public void addContact(Contact contact);
public List<Contact> listContact();
public void removeContact(Integer id);
}
パッケージ pl.ivmx.contact.service;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import pl.ivmx.contact.dao.ContactDAO;
import pl.ivmx.contact.form.Contact;
@Service
public class ContactServiceImpl implements ContactService {
@Autowired
private ContactDAO contactDAO;
@Transactional
public void addContact(Contact contact) {
contactDAO.addContact(contact);
}
@Transactional
public List<Contact> listContact() {
return contactDAO.listContact();
}
@Transactional
public void removeContact(Integer id) {
contactDAO.removeContact(id);
}
}
パッケージ pl.ivmx.contact.form;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="CONTACTS")
public class Contact {
@Id
@Column(name="ID")
@GeneratedValue
private Integer id;
@Column(name="FIRSTNAME")
private String firstname;
@Column(name="LASTNAME")
private String lastname;
@Column(name="EMAIL")
private String email;
@Column(name="TELEPHONE")
private String telephone;
public String getEmail() {
return email;
}
public String getTelephone() {
return telephone;
}
public void setEmail(String email) {
this.email = email;
}
public void setTelephone(String telephone) {
this.telephone = telephone;
}
public String getFirstname() {
return firstname;
}
public String getLastname() {
return lastname;
}
public void setFirstname(String firstname) {
this.firstname = firstname;
}
public void setLastname(String lastname) {
this.lastname = lastname;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
}
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
id="WebApp_ID" version="3.0">
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>WEB-INF/applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>*.html</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>/pages/index.jsp</welcome-file>
</welcome-file-list>
applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:security="http://www.springframework.org/schema/security"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security-3.0.xsd">
<context:annotation-config />
<context:component-scan base-package="pl.ivmx.contact" />
<!-- <bean id="messageSource"
class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<property name="basename" value="messages_en.properties" />
<property name="defaultEncoding" value="UTF-8" />
</bean> -->
<import resource="commonContext.xml" />
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="${jdbc.driverClassName}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
</bean>
<bean id="userTestDao" class="pl.ivmx.dao.impl.UserTestDaoImpl">
<!-- <property name="dataSource" ref="dataSource" /> -->
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean" >
<!-- class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean"> -->
<property name="dataSource" ref="dataSource" />
<property name="configLocation" value="META-INF/hibernate.cfg.xml" />
<property name="configurationClass">
<value>org.hibernate.cfg.AnnotationConfiguration</value>
</property>
<!-- <property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="annotatedClasses">
<list>
<value>pl.ivmx.model.UserTest</value>
</list>
</property> -->
</bean>
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
dispatcher-servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- <bean class="org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping" /> -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix">
<value>/WEB-INF/pages/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
<bean id="urlMapping"
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="urlMap">
<map>
<entry key="/index.do"> <ref bean="index" /></entry>
<entry key="/registration.do"> <ref bean="registration" /></entry>
<entry key="/usertestlist.do"> <ref bean="usertest" /></entry>
<entry key="/contact.do"> <ref bean="contact" /></entry>
</map>
</property>
</bean>
<bean id="index" class="pl.ivmx.web.IndexController"/>
<bean id="registrationValidator" class="pl.ivmx.validation.RegistrationValidator" />
<bean id="registration" class="pl.ivmx.web.RegistrationFormController" >
<property name="commandName"><value>userTest</value></property>
<property name="commandClass"><value>pl.ivmx.model.UserTest</value></property>
<property name="validator"><ref local="registrationValidator"/></property>
<property name="formView"><value>registration</value></property>
<property name="successView"><value>registrationsuccess</value></property>
<property name="userTestDao"><ref bean="userTestDao"/></property>
</bean>
<bean id="usertest" class="pl.ivmx.web.UserTestController">
<property name="userTestDao"><ref bean="userTestDao"/></property>
</bean>
<bean id="contact" class="pl.ivmx.contact.controller.ContactController">
</bean>
<bean id="contactService" class="pl.ivmx.contact.service.ContactServiceImpl">
</bean>
<bean id="contactDAO" class="pl.ivmx.contact.dao.ContactDAOImpl">
</bean>
</beans>