Tôi có một lớp đơn giản bắt đầu 3 luồng và lưu một đối tượng mới trong mỗi chuỗi. Nhưng tôi nhận được ngoại lệ mà tôi không thể hiểu được. Bất cứ ai có thể giúp tôi hiểu lý do tại sao ngoại lệ?Hibernate UnknownServiceException: Dịch vụ không xác định được yêu cầu khi giao dịch hoàn thành
package test;
import java.util.Date;
import org.hibernate.Session;
import domain.Event;
import util.HibernateUtil;
public class EventBeanTest {
public static void main(String [] args) {
Event e1 = new Event();
e1.setTitle("111");
e1.setDate(new Date());
Event e2 = new Event();
e2.setTitle("222");
e2.setDate(new Date());
Event e3 = new Event();
e3.setTitle("333");
e3.setDate(new Date());
Thread t1 = new Thread(new EventRunnable(e1));
Thread t2 = new Thread(new EventRunnable(e2));
Thread t3 = new Thread(new EventRunnable(e3));
t1.setName("event - 111");
t2.setName("event - 222");
t3.setName("event - 333");
t1.start();
t2.start();
t3.start();
}
}
class EventRunnable implements Runnable {
private Event event;
public EventRunnable(Event event) {
this.event = event;
}
public void run() {
System.out.println("Starting thread : " + Thread.currentThread().getName());
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
session.beginTransaction();
session.saveOrUpdate(event);
session.getTransaction().commit();
HibernateUtil.getSessionFactory().close();
System.out.println("Finishing thread : " + Thread.currentThread().getName());
}
}
Và đây là phần có liên quan của các tập tin log cho thấy ngoại lệ:
Hibernate: select max(EVENT_ID) from test.EVENTS
Hibernate: insert into test.EVENTS (EVENT_DATE, TITLE, EVENT_ID) values (?, ?, ?)
Hibernate: insert into test.EVENTS (EVENT_DATE, TITLE, EVENT_ID) values (?, ?, ?)
Hibernate: insert into test.EVENTS (EVENT_DATE, TITLE, EVENT_ID) values (?, ?, ?)
Apr 22, 2012 2:46:55 PM org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl stop
INFO: HHH000030: Cleaning up connection pool [jdbc:mysql://localhost:3306/test]
Finishing thread : event - 333
Apr 22, 2012 2:46:55 PM org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction afterAfterCompletion
INFO: HHH000425: Could not close session; swallowing exception[org.hibernate.service.UnknownServiceException: Unknown service requested [org.hibernate.stat.spi.StatisticsImplementor]] as transaction completed
Exception in thread "event - 222" org.hibernate.service.UnknownServiceException: Unknown service requested [org.hibernate.stat.spi.StatisticsImplementor]
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:126)
at org.hibernate.internal.SessionFactoryImpl.getStatisticsImplementor(SessionFactoryImpl.java:1708)
at org.hibernate.internal.SessionFactoryImpl.getStatistics(SessionFactoryImpl.java:1704)
at org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl.afterTransaction(TransactionCoordinatorImpl.java:140)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.afterTransactionCompletion(JdbcTransaction.java:138)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.commit(AbstractTransactionImpl.java:184)
at test.EventRunnable.run(EventBeanTest.java:60)
at java.lang.Thread.run(Thread.java:722)
Apr 22, 2012 2:46:55 PM org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction afterAfterCompletion
INFO: HHH000425: Could not close session; swallowing exception[org.hibernate.service.UnknownServiceException: Unknown service requested [org.hibernate.stat.spi.StatisticsImplementor]] as transaction completed
Exception in thread "event - 111" org.hibernate.service.UnknownServiceException: Unknown service requested [org.hibernate.stat.spi.StatisticsImplementor]
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:126)
at org.hibernate.internal.SessionFactoryImpl.getStatisticsImplementor(SessionFactoryImpl.java:1708)
at org.hibernate.internal.SessionFactoryImpl.getStatistics(SessionFactoryImpl.java:1704)
at org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl.afterTransaction(TransactionCoordinatorImpl.java:140)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.afterTransactionCompletion(JdbcTransaction.java:138)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.commit(AbstractTransactionImpl.java:184)
at test.EventRunnable.run(EventBeanTest.java:60)
at java.lang.Thread.run(Thread.java:722)
EDIT 1
<?xml version='1.0' encoding='utf-8'?>
<session-factory>
<!-- Database connection settings -->
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost:3306/test</property>
<property name="connection.username">vishnu</property>
<property name="connection.password">con02305</property>
<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>
<!-- SQL dialect -->
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- Enable Hibernate's automatic session context management -->
<property name="current_session_context_class">thread</property>
<!-- Disable the second-level cache -->
<property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<!-- Drop and re-create the database schema on startup
<property name="hbm2ddl.auto">update</property> -->
<property name="default_schema">test</property>
<property name="show_sql">true</property>
<mapping resource="domain/Event.hbm.xml"/>
</session-factory>
Bạn đã sử dụng phiên bản Hibernate nào? Bạn có thể đăng tập tin cấu hình Hibernate? – kyiu
Tôi đang sử dụng chế độ ngủ đông 4.1. Tôi đã sửa bài viết của tôi để bao gồm hibernate.cfg.xml. Cảm ơn. – sachinrahulsourav
Thay đổi thuộc tính này 1 Tham khảo liên kết bên dưới http://stackoverflow.com/questions/9802684/hibernate-config-connection-pool-size –