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我創建了一個spring-hibernate項目，但是當我嘗試運行我的應用程序時出現以下錯誤。在spring-hibernate項目中找不到當前線程的會話
我在這裏提供相關的課程。
資源/彈簧-config.xml中：
<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="configLocation" value="hibernate.cfg.xml"/>
</bean>
<context:annotation-config />
<context:component-scan base-package="foo.bar, com.mkyong.stock"/>
</beans>
資源/ hibernate.cfg.xml中：
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="connection.url">jdbc:mysql://localhost:3306/mkyong</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.username">root</property>
<property name="connection.password">skia0987</property>
<!-- DB schema will be updated if needed -->
<property name="hbm2ddl.auto">create</property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<mapping class="com.mkyong.stock.model.StockEntity"/>
<mapping resource="mapping.xml"/>
</session-factory>
</hibernate-configuration>
foo.bar/HelloApp.java：
package foo.bar;
import com.mkyong.stock.bo.StockBo;
import com.mkyong.stock.model.StockEntity;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class HelloApp {
public static void main(String[] args) {
ApplicationContext context = new ClassPathXmlApplicationContext("spring-config.xml");
StockBo stockBo = (StockBo)context.getBean("stockBo");
//insert
StockEntity stock = new StockEntity();
stock.setStockCode("7668");
stock.setStockName("HAIO");
stockBo.save(stock);
//select
StockEntity stock2 = stockBo.findByStockCode("7668");
System.out.println(stock2);
//update
//stock2.setStockName("HAIO-1");
//stockBo.update(stock2);
//delete
//stockBo.delete(stock2);
System.out.println("Done");
}
}
COM .mkyong.stock.bo/StockBoImpl.java：
package com.mkyong.stock.bo;
import com.mkyong.stock.dao.StockDao;
import com.mkyong.stock.model.StockEntity;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service("stockBo")
public class StockBoImpl implements StockBo{
@Autowired
StockDao stockDao;
public void setStockDao(StockDao stockDao)
{
this.stockDao = stockDao;
}
@Override
public void save(StockEntity stock) {
stockDao.save(stock);
}
@Override
public void update(StockEntity stock) {
stockDao.save(stock);
}
@Override
public void delete(StockEntity stock) {
stockDao.delete(stock);
}
@Override
public StockEntity findByStockCode(String stockCode) {
return stockDao.findByStockCode(stockCode);
}
}
com.mkyong.stock.dao/StockDaoImpl.java：
package com.mkyong.stock.dao;
import com.mkyong.stock.model.StockEntity;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
@Repository("stockDao")
public class StockDaoImpl implements StockDao{
private SessionFactory sessionFactory;
@Autowired
public StockDaoImpl(SessionFactory sessionFactory)
{
this.sessionFactory = sessionFactory;
}
private Session currentSession()
{
return sessionFactory.getCurrentSession();
}
@Override
public void save(StockEntity stock) {
currentSession().save(stock);
}
@Override
public void update(StockEntity stock) {
currentSession().update(stock);
}
@Override
public void delete(StockEntity stock) {
currentSession().delete(stock);
}
@Override
public StockEntity findByStockCode(String stockCode) {
return (StockEntity)currentSession().get(StockEntity.class, stockCode);
}
}
com.mkyong.stock.model/StockEntity.java：
package com.mkyong.stock.model;
import javax.persistence.*;
import java.io.Serializable;
import static javax.persistence.GenerationType.IDENTITY;
@javax.persistence.Table(name = "stock", schema = "", catalog = "mkyong",
uniqueConstraints = {
@UniqueConstraint(columnNames = "STOCK_NAME"),
@UniqueConstraint(columnNames = "STOCK_CODE")
}
)
@Entity
public class StockEntity implements Serializable{
private int stockId;
private String stockCode;
private String stockName;
//---constructors
public StockEntity() {
}
public StockEntity(String stockCode, String stockName) {
this.stockCode = stockCode;
this.stockName = stockName;
}
//---getters and setters
@javax.persistence.Column(name = "STOCK_ID", unique = true, nullable = false, insertable = true, updatable = true, length = 10, precision = 0)
@Id
@GeneratedValue(strategy = IDENTITY)
public int getStockId() {
return stockId;
}
public void setStockId(int stockId) {
this.stockId = stockId;
}
@javax.persistence.Column(name = "STOCK_CODE", unique = true, nullable = false, insertable = true, updatable = true, length = 10, precision = 0)
@Basic
public String getStockCode() {
return stockCode;
}
public void setStockCode(String stockCode) {
this.stockCode = stockCode;
}
@javax.persistence.Column(name = "STOCK_NAME", unique = true, nullable = false, insertable = true, updatable = true, length = 20, precision = 0)
@Basic
public String getStockName() {
return stockName;
}
public void setStockName(String stockName) {
this.stockName = stockName;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
StockEntity that = (StockEntity) o;
if (stockId != that.stockId) return false;
if (stockCode != null ? !stockCode.equals(that.stockCode) : that.stockCode != null) return false;
if (stockName != null ? !stockName.equals(that.stockName) : that.stockName != null) return false;
return true;
}
@Override
public int hashCode() {
int result = stockId;
result = 31 * result + (stockCode != null ? stockCode.hashCode() : 0);
result = 31 * result + (stockName != null ? stockName.hashCode() : 0);
return result;
}
@Override
public String toString()
{
return "Stock [stockCode=" + stockCode + ", stockId=" + stockId + ", stockName=" + stockName + "]";
}
}
關於如何解決這個錯誤任何想法？ 謝謝。
更新：這裏是堆棧跟蹤
Exception in thread "main" org.hibernate.HibernateException: No Session found for current thread
at org.springframework.orm.hibernate4.SpringSessionContext.currentSession(SpringSessionContext.java:97)
at org.hibernate.internal.SessionFactoryImpl.getCurrentSession(SessionFactoryImpl.java:1039)
at com.mkyong.stock.dao.StockDaoImpl.currentSession(StockDaoImpl.java:29)
at com.mkyong.stock.dao.StockDaoImpl.save(StockDaoImpl.java:34)
at com.mkyong.stock.bo.StockBoImpl.save(StockBoImpl.java:28)
at foo.bar.HelloApp.main(HelloApp.java:18)
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:601)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
可以提供堆棧跟蹤？ – wangyif2 2013-04-23 16:44:20
當然...我會編輯原文 – skiabox 2013-04-23 17:29:17