11.02.2016, 08:07. Показов 824. Ответов 1
Доброго времени суток, никак не получается запустить нормально проект на сервере GlassFish. проект состоит в том, чтобы вывести на страничку базу данных из сервера mysql. Делал упражнения по Spring-программированию по книге Уоллс К. - Spring в действии - 2013. Там есть произвольная база spitter в СУБД MySQL, которая с помощью spring, персистенции и других технологий используется в тестовом приложении. захотел перевести на веб с помощью netbeans 7.4, создал проект, все собирается, развертывание проходит без ошибок, но информация из базы данных не отображается на странице JSP. Контроллер и файлы конфигурации переделывал собственноручно. Для разработки используются следующие инструментальные средства:
Netbeans 7.4
jdk 1.7
GlassFish server
Mysql сервер
Помогите, пожалуйста, разобраться, в чем дело с отображением записей из базы. Файлы исходников прилагается
Классы для доступа к данным:
Spitter.java
| Java |
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| package spitter;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "Spitter")
public class Spitter {
private java.lang.Long id;
private String username;
private String password;
private String fullname;
public String getUsername() {
return username;
}
public String getPassword() {
return password;
}
public String getFullname() {
return fullname;
}
@Column(name = "id")
@Id
public java.lang.Long getId() {
return id;
}
public void setId(long aLong) {
id = aLong;
}
public void setUsername(String string) {
username = string;
}
public void setPassword(String string) {
password = string;
}
public void setFullname(String string) {
fullname = string;
}
} |
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SpitterDAO.java
| Java |
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| package spitter;
import java.util.List;
public interface SpitterDAO {
void addSpitter(Spitter spitter);
void deleteSpitter(Spitter spitter);
List<Spitter> getRecentSpittles(int size);
} |
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SpitterServiceImplJPA.java
| Java |
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| package spitter;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.EntityManager;
import org.springframework.orm.jpa.JpaTransactionManager;
public class SpitterServiceImplJPA implements SpitterDAO{
private JpaTransactionManager manager;
private EntityManager em;
public void setManager(JpaTransactionManager manager) {
System.out.println("Entity Manager factory bean set");
this.manager = manager;
em = manager.getEntityManagerFactory().createEntityManager();
}
public void addSpitter(Spitter spitter) {
em.getTransaction().begin();
em.persist(spitter);
em.getTransaction().commit();
}
public Spitter getSpitterById(long id) {
return em.find(Spitter.class, id);
}
public void deleteSpitter(Spitter spitter) {
Spitter spitters = em.find(Spitter.class, spitter.getId());
em.getTransaction().begin();
em.remove(spitters);
em.getTransaction().commit();
}
public List<Spitter> getRecentSpittles(int size) {
em.getTransaction().begin();
List<Spitter> allSplitter = em.createQuery("Select a from Spitter a", Spitter.class).getResultList();
em.getTransaction().commit();
List<Spitter> returnSpitter = new ArrayList<>();
if (size > allSplitter.size()) size = allSplitter.size();
for(int i = 0; i<size; i++)
{
returnSpitter.add((Spitter)allSplitter.get(i));
}
return returnSpitter;
}
} |
|
Файл контроллера:
SpitterController.java
| Java |
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| package spitter;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
@Controller
public class SpitterController {
@Autowired
private SpitterDAO spitterService;
@RequestMapping(value="/index.htm", method = RequestMethod.GET)
public String listSpitters(Map<String, Object> map) throws IOException {
System.out.println("Приложение Spitter запущено");
ApplicationContext context = new FileSystemXmlApplicationContext("C:/SpitterWeb/web/WEB-INF/applicationContext.xml");
spitterService = (SpitterServiceImplJPA)context.getBean("jpaSpitterService");
FileWriter writer = new FileWriter("C:\\log.txt", false);
List<Spitter> recentSpittles = spitterService.getRecentSpittles(5);
for(int i = 0 ; i < 5; i++)
{
writer.write(recentSpittles.get(i).getUsername() + " " + recentSpittles.get(i).getPassword() + " " + recentSpittles.get(i).getFullname());
}
writer.close();
map.put("spitter", new Spitter());
map.put("spitterList", spitterService.getRecentSpittles(5));
return "index";
}
@RequestMapping("/")
public String home() {
return "redirect:/index";
}
} |
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Файлы конфигурации (каталог WEB-INF)
web.xml
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| <?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
<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>appServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/servlet-context.xml</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>appServlet</servlet-name>
<url-pattern>*.htm</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>charsetFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>charsetFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app> |
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servlet-context.xml
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| <?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:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans [url]http://www.springframework.org/schema/beans/spring-beans-3.1.xsd[/url]
[url]http://www.springframework.org/schema/aop[/url] [url]http://www.springframework.org/schema/aop/spring-aop-3.1.xsd[/url]
[url]http://www.springframework.org/schema/tx[/url] http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<!--
<annotation-driven />
-->
<bean class="org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping"/>
<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
<bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="index.jsp">indexController</prop>
</props>
</property>
</bean>
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/WEB-INF/jsp/"
p:suffix=".jsp" />
<bean name="indexController" class="spitter.SpitterController"/>
</beans> |
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security.xml
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| <?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/security"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
[url]http://www.springframework.org/schema/beans/spring-beans-3.0.xsd[/url]
[url]http://www.springframework.org/schema/security[/url]
http://www.springframework.org/schema/security/spring-security-3.0.xsd">
</beans:beans> |
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persistence.xml
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| <?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence">
<persistence-unit name="spitterPU">
<class>spitter.Spitter</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="toplink.jdbc.driver" value="com.mysql.jdbc.Driver"/>
<property name="toplink.jdbc.url" value="jdbc:mysql://localhost:3306/database_spitter"/>
<property name="toplink.jdbc.user" value="root"/>
<property name="toplink.jdbc.password" value="191261"/>
</properties>
</persistence-unit>
</persistence> |
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applicationContext.xml
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| <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
[url]http://www.springframework.org/schema/beans/spring-beans.xsd[/url]
[url]http://www.springframework.org/schema/cache[/url] http://www.springframework.org/schema/cache/spring-cache-3.2.xsd" xmlns:cache="http://www.springframework.org/schema/cache">
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/database_spitter" />
<property name="username" value="root" />
<property name="password" value="191261" />
</bean>
<bean id="jdbcTemplate"
class="org.springframework.jdbc.core.simple.SimpleJdbcTemplate">
<constructor-arg ref="dataSource" />
</bean>
<!--Персистенция-->
<bean id="jpaVendorAdapter"
class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<property name="database" value="MYSQL" />
<property name="showSql" value="true"/>
<property name="generateDdl" value="false"/>
<property name="databasePlatform" value="org.hibernate.dialect.HSQLDialect" />
</bean>
<bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/>
<bean class= "org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor"/>
<bean id="emf" class= "org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="jpaVendorAdapter" ref="jpaVendorAdapter" />
<property name="persistenceUnitName" value="spitterPU" />
<property name="persistenceXmlLocation" value="WEB-INF/persistence.xml"/>
</bean>
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="emf" />
</bean>
<bean id="jpaSpitterService" class="spitter.SpitterServiceImplJPA">
<property name="manager" ref="transactionManager" />
</bean>
<import resource="security.xml" />
</beans> |
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Файл отображения (каталог WEB-INF):
index.jsp
| HTML5 |
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| <%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/sql" prefix="sql" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf8"/>
<title>"GET INFORMATION FROM DATABASE MYSQL</title>
</head>
<body>
<h3>TABLE OF SPITTERS</h3>
<c:if test="${!empty spitterList}">
<table border="1">
<tr>
<th>USERNAME</th>
<th>PASSWORD</th>
<th>FULLNAME</th>
</tr>
<c:forEach items="${spitterList}" var="spitter">
<tr>
<td>${spitter.username}</td>
<td>${spitter.password}</td>
<td>${spitter.fullname}</td>
<td><a href="delete/${spitter.id}">Delete</a></td>
</tr>
</c:forEach>
</table>
</c:if>
</body>
</html> |
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Заранее спасибо за помощь
проект NetBeans с необходимыми библиотеками лежит тут:
https://dropmefiles.com/xblfV