Nicht zum konfigurieren von second-level-cache hibernate-ehcache-4.3.5.Final.jar im Ruhezustand 5.1.0.Final
Ich versuche zu erreichen, second-level-cache in der Java-EE-Projekt mithilfe von Hibernate. Mein Hibernate-version ist 5.1.0.Endgültig. Ich habe eine Tabelle erstellt employee
in meiner MySQL-Datenbank. Ich habe hibernate-ehcache-4.3.5.Final.jar
in meinem Projekt, aber es wirft Unable to create requested service [org.hibernate.cache.spi.RegionFactory]
Fehler. Hier ist die hibernate.cfg.xml
:
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/intu</property>
<property name="hibernate.connection.username">****</property>
<property name="hibernate.connection.password">****</property>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="hibernate.cache.region.factory_class">net.sf.ehcache.hibernate.EhCacheRegionFactory</property>
<property name="cache.provider_class">org.hibernate.cache.EhCacheProvider</property>
<property name="hibernate.cache.use_second_level_cache">true</property>
<property name="show_sql">false</property>
<property name="format_sql">true</property>
<property name="hbm2ddl.auto">update</property>
<mapping class="com.dom.Employee"/>
</session-factory>
</hibernate-configuration>
Meine Employee
Klasse:
package com.intu;
import javax.persistence.Entity;
import javax.persistence.Table;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
@Entity
@Cache(usage = CacheConcurrencyStrategy.READ_ONLY)
@Table(name = "employee")
public class Employee {
private int id;
private String name;
public Employee() {
}
public Employee(String name, float salary) {
super();
this.name = name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
Mein Code:
package com.test;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import com.intu.Employee;
import com.util.HibernateUtil;
public class Ehcache {
public static void main(String[] args) {
//TODO Auto-generated method stub
System.out.println(org.hibernate.Version.getVersionString());
SessionFactory factory = HibernateUtil.getSessionFactory();
Session session1=factory.openSession();
Employee emp1=(Employee)session1.load(Employee.class,121);
System.out.println(emp1.getId()+" "+emp1.getName());
session1.close();
Session session2=factory.openSession();
Employee emp2=(Employee)session2.load(Employee.class,121);
System.out.println(emp2.getId()+" "+emp2.getName());
session2.close();
}
}
Den Fehler
eb 23, 2016 3:10:49 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {5.1.0.Final}
Feb 23, 2016 3:10:49 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
Feb 23, 2016 3:10:49 PM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
Initial SessionFactory creation failed.org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.cache.spi.RegionFactory]
Exception in thread "main" java.lang.ExceptionInInitializerError
at com.util.HibernateUtil.buildSessionFactory(HibernateUtil.java:20)
at com.util.HibernateUtil.<clinit>(HibernateUtil.java:7)
at com.test.Ehcache.main(Ehcache.java:14)
Caused by: org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.cache.spi.RegionFactory]
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:244)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:208)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
at org.hibernate.boot.internal.MetadataBuilderImpl$MetadataBuildingOptionsImpl.<init>(MetadataBuilderImpl.java:663)
at org.hibernate.boot.internal.MetadataBuilderImpl.<init>(MetadataBuilderImpl.java:127)
at org.hibernate.boot.MetadataSources.getMetadataBuilder(MetadataSources.java:135)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:655)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:724)
at com.util.HibernateUtil.buildSessionFactory(HibernateUtil.java:13)
... 2 more
Caused by: org.hibernate.HibernateException: could not instantiate RegionFactory [net.sf.ehcache.hibernate.EhCacheRegionFactory]
at org.hibernate.cache.internal.RegionFactoryInitiator.initiateService(RegionFactor yInitiator.java:84)
at org.hibernate.cache.internal.RegionFactoryInitiator.initiateService(RegionFactor yInitiator.java:29)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:88)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:234)
Ich bin mir nicht sicher, was genau fehlt. Was sollte Hinzugefügt werden, mehr, um es zu arbeiten?
- es ist besser, nicht zu verwenden hibernate-ehcache ist es abgebildet: hibernate.atlassian.net/browse/HHH-12441, stattdessen gehen Sie für hibernate-jcache
Du musst angemeldet sein, um einen Kommentar abzugeben.
Sie verwenden inkompatible Versionen von EhCache und Ruhezustand, das führt zu der Initialisierung Probleme. wenn Sie mit Hibernate 5.1, besser, verwenden Sie das entsprechende ehcache-version, mit ihm zu gehen: