Java org.hibernate.hibernateeexception:在我的情况下,如果没有活动事务,则保存无效
我有Java org.hibernate.hibernateeexception:在我的情况下,如果没有活动事务,则保存无效,java,spring,hibernate,Java,Spring,Hibernate,我有GenericService类,它封装了子类的crud方法: public abstract class GenericService<D extends GenericDao<T, I>, T extends DomainObject<I>, I> { public I save(T t) { return getDao().save(t); } ........................... } Answer
GenericService
类,它封装了子类的crud方法:
public abstract class GenericService<D extends GenericDao<T, I>, T extends DomainObject<I>, I> {
public I save(T t) {
return getDao().save(t);
}
...........................
}
AnswerDao
扩展了实现方法save
的GenericDao
public abstract class GenericDaoHibernate<T extends DomainObject<I>, I extends Serializable> implements GenericDao<T, I> {
private Class<? extends T> entityClass;
private SessionFactory sessionFactory;
public GenericDaoHibernate(Class<? extends T> entityClass) {
this.entityClass = entityClass;
}
public GenericDaoHibernate() {
}
@Autowired
private void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
Assertor.assertNotNull(sessionFactory);
}
public Session currentSession() {
return getSessionFactory().getCurrentSession();
}
@SuppressWarnings("unchecked")
@Override
public I save(T entity) {
// Transaction transaction = currentSession().beginTransaction();
I id = (I) currentSession().save(entity);
// transaction.commit();
return id;
}
我的服务层spring配置文件是:
<!-- Hibernate 4 SessionFactory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"
p:dataSource-ref="dataSource" p:packagesToScan="com.javahelp.domain.impl">
<property name="configLocations">
<array>
<value>classpath:META-INF/hibernate/hibernate.cfg.xml</value>
</array>
</property>
</bean>
<!-- A transaction manager for working with Hibernate session methods.
Without this transaction manager none method of hibernate session works -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- enable scanning for @Transactional annotation -->
<tx:annotation-driven transaction-manager="transactionManager" />
<!-- autodetect all spring @Service beans in package com.javahelp.service
(service layer) -->
<context:component-scan base-package="com.javahelp.service" />
我还将我的服务更改为使用接口,但没有任何帮助 I´,在TransactionManager中使用org.springframework.orm.jpa.JpaTransactionManager,在entitymanager中使用Hibernate适配器
<bean class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean" id="entityManagerFactory">
<property name="dataSource" ref="dataSource"/>
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />
</property>
<property name="packagesToScan" value="domain"/>
<property name="jpaPropertyMap">
<map>
<entry key="hibernate.dialect" value="org.hibernate.dialect.MySQL5Dialect" />
<entry key="javax.persistence.jdbc.driver" value="org.mariadb.jdbc.Driver" />
<entry key="hibernate.show_sql" value="false" />
<entry key="hibernate.multiTenancy" value="SCHEMA" />
<entry key="hibernate.multi_tenant_connection_provider" value-ref="mySQLMultiTenantConnectionProvider" />
<entry key="hibernate.tenant_identifier_resolver" value-ref="tenantIdentifierResolver" />
</map>
</property>
</bean>
我建议更改此配置
但是如果您不这样做,请尝试在HibernateTransactionManager中调试doGetTransaction方法,看看发生了什么 还向dao方法添加@Transactional注释。不知道根本原因,但从hibernate配置中删除以下属性为我解决了问题
<prop key="hibernate.current_session_context_class">thread</prop>
线程
在此上找到getCurrentSession():获取当前会话
创建不同于上下文会话的新会话
openSession()
:返回:创建的会话。您应该告诉我们哪些方法或类需要Spring的支持。
@跨国注释(可以在方法或类级别指定)保证了被注释的方法和类的跨国行为,而不是整个应用程序的跨国行为 请看我的编辑。实际上,该方法返回空的
HibernateTransactionObject
。实际上将值直接放在hibernate.cfg.xml
中也没有帮助。我仍然有这个问题。我有和OP一样的问题,但这解决了我的问题!这也有道理。谢谢值得一看这篇文章,因为它有更详细的解释。
txObject HibernateTransactionManager$HibernateTransactionObject (id=190)
connectionHolder null
newSession false
newSessionHolder false
previousIsolationLevel null
savepointAllowed false
sessionHolder null
<bean class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean" id="entityManagerFactory">
<property name="dataSource" ref="dataSource"/>
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />
</property>
<property name="packagesToScan" value="domain"/>
<property name="jpaPropertyMap">
<map>
<entry key="hibernate.dialect" value="org.hibernate.dialect.MySQL5Dialect" />
<entry key="javax.persistence.jdbc.driver" value="org.mariadb.jdbc.Driver" />
<entry key="hibernate.show_sql" value="false" />
<entry key="hibernate.multiTenancy" value="SCHEMA" />
<entry key="hibernate.multi_tenant_connection_provider" value-ref="mySQLMultiTenantConnectionProvider" />
<entry key="hibernate.tenant_identifier_resolver" value-ref="tenantIdentifierResolver" />
</map>
</property>
</bean>
<prop key="hibernate.current_session_context_class">thread</prop>