Java 如何使用Spring4.0.6全局设置Hibernate4.3.5.Final的刷新模式?
我正在尝试用Hibernate4.3.5.Final和Spring4.0.6升级我们的应用程序。“我的应用程序”中具有数据库写入操作的任何位置都会出现以下错误:Java 如何使用Spring4.0.6全局设置Hibernate4.3.5.Final的刷新模式?,java,spring,hibernate,hibernate-4.x,spring-4,Java,Spring,Hibernate,Hibernate 4.x,Spring 4,我正在尝试用Hibernate4.3.5.Final和Spring4.0.6升级我们的应用程序。“我的应用程序”中具有数据库写入操作的任何位置都会出现以下错误: Caused by: org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.MANUAL): Turn your Session into Flus
Caused by: org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.MANUAL): Turn your Session into FlushMode.COMMIT/AUTO or remove 'readOnly' marker from transaction definition.
at org.springframework.orm.hibernate4.HibernateTemplate.checkWriteOperationAllowed(HibernateTemplate.java:1135)
at org.springframework.orm.hibernate4.HibernateTemplate$26.doInHibernate(HibernateTemplate.java:826)
at org.springframework.orm.hibernate4.HibernateTemplate.doExecute(HibernateTemplate.java:340)
at org.springframework.orm.hibernate4.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:308)
at org.springframework.orm.hibernate4.HibernateTemplate.deleteAll(HibernateTemplate.java:823)
...
以下是sessionFactory和transactionManager的spring配置:
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="mappingResources">
<list>
<value>com/mycompany/Person.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.HSQLDialect</prop>
</props>
</property>
</bean>
<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
com/mycompany/Person.hbm.xml
org.hibernate.dialogue.hsql方言
1: 为了全局设置flushMode,以便应用程序与以前一样工作,我需要将flushMode设置为全局自动,因此我不想使用@Transactional(readOnly=false)方法 2: 在下面的帖子中,有人建议将singleSession设置为false, Spring文档表明指定“singleSession”=“false”有副作用: 3: 我在web.xml中看到了很多类似下面的建议,它允许您拦截hibernate3会话,并提供会话的一个版本,例如flushMode.AUTO。但是,当您使用org.springframework.orm.hibernate4.support.OpenSessionInViewFilter时,这在hibernate4中不起作用
<filter>
<filter-name>openSessionInViewFilter</filter-name>
<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
<init-param>
<param-name>flushMode</param-name>
<param-value>AUTO</param-value>
</init-param>
</filter>
openSessionInViewFilter
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter
冲洗模式
自动的
4:
下面建议的方法是使用JPA事务管理器,它遵循了HibernateJpaDialect的复杂重新实现。我目前没有使用JPA,而且这种方法似乎不够简单。
5:
我已经尝试在我的spring配置中使用以下内容(根据关于的建议),
这似乎不起作用,人们建议使用web.xml方法:
问题:
有人能推荐一种简单的方法来允许为Hibernate 4.3.5.Final和Spring 4.0.6设置FlushMode吗?我最终用自定义实现覆盖了OpenSessionInViewFilter: 1: web.xml:
<filter>
<filter-name>openSessionInViewFilter</filter-name>
<filter-class>com.mycompany.AutoFlushOpenSessionInViewFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>openSessionInViewFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
- OpenSessionInViewFilter是拦截hibernate会话的默认方式()
- openSession方法打开一个hibernate会话。Hibernate将使用此会话,而不是创建新会话
- hibernate3.support.OpenSessionInViewFilter允许您提供刷新模式,hibernate4.support.OpenSessionInViewFilter硬编码该值,因此我使用自己的实现覆盖它
- 确保您的SessionFactorybean名称为sessionFactory。否则,您需要在web.xml中将sessionFactoryBeanName设置为筛选器init参数
如果有人感兴趣,下面是my Ivy.xml中的内容
<!--Spring 4.0.6.RELEASE -->
<dependency org="org.springframework" name="spring-aop" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-beans" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-core" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-expression" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-context" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-jdbc" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-orm" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-tx" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-web" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="aopalliance" name="aopalliance" rev="1.0" conf="compile->master,sources,javadoc"/>
<!--Hibernate 4.3.5-->
<dependency org="org.hibernate" name="hibernate-core" rev="4.3.5.Final" conf="compile->master,compile,sources"/>
<dependency org="net.sf.ehcache" name="ehcache-core" rev="2.4.8" conf="compile->master,sources,javadoc"/>
<dependency org="org.slf4j" name="slf4j-api" rev="1.7.5" conf="compile->master,sources,javadoc"/>
希望这对升级Spring和Hibernate时遇到相同问题的人有所帮助。如果未设置刷新模式,我怀疑事务管理错误或缺失。您有一个
HibernateTransactionManager
并不意味着您的tx设置正确。另外,只添加
而不添加
来应用它是非常无用的。@M.Deinum感谢您的评论。在我的例子中,我需要镜像应用程序中以前的行为,即使用FlashMode.AUTO(这是旧Hibernate版本3.0.5的默认设置)。您的回答允许我对更清洁的解决方案进行进一步调查(如果将只读设置为false符合我们的应用程序的需要)。由于以下原因,OpenSessionInViewFilter
中的刷新模式从不(或手动)使用:)。通常,当您有适当的tx管理时,事务管理器会将其设置为自动临时,直到事务结束。因此,我的建议是,这或多或少表明您在your应用程序中有错误或缺少tx管理。您好@M.Deinum,谢谢您的回答。这是否意味着现在Spring和Hibernate默认执行只读模式(因为默认情况下每个写访问都会获得异常)?如果是这样的话,禁用它并不意味着我们应该参与事务管理,对吗?我不想总是启用事务功能,并在每次更新和删除中添加@Transactional(readOnly=false)。如果您或任何人能为我提供一份关于如何正确实现hibernate 4的写访问的官方文档,我将不胜感激!如果交易是一种方式,那也没关系。
import org.hibernate.FlushMode;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.dao.DataAccessResourceFailureException;
import org.springframework.orm.hibernate4.support.OpenSessionInViewFilter;
public class AutoFlushOpenSessionInViewFilter extends OpenSessionInViewFilter {
protected Session openSession(SessionFactory sessionFactory) throws DataAccessResourceFailureException {
try {
Session session = sessionFactory.openSession();
session.setFlushMode(FlushMode.AUTO); // This line changes the default behavior
return session;
} catch (HibernateException ex) {
throw new DataAccessResourceFailureException("Could not open Hibernate Session", ex);
}
}
}
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath:appContext.xml
...
</param-value>
</context-param>
<context-param>
<param-name>contextId</param-name>
<param-value>myApp</param-value>
<description>Required contextId when filter is supplied</description>
</context-param>
2014-09-02 10:59:50 StandardContext[/myApp]Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
java.lang.NoSuchMethodError: javax.servlet.ServletContext.getContextPath()Ljava/lang/String;
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:384)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3827)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4343)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:823)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at org.apache.catalina.core.StandardHostDeployer.addChild(StandardHostDeployer.java:903)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:216)
at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:256)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)
at org.apache.catalina.util.CatalinaDigester.endElement(CatalinaDigester.java:76)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
...
<!--Spring 4.0.6.RELEASE -->
<dependency org="org.springframework" name="spring-aop" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-beans" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-core" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-expression" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-context" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-jdbc" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-orm" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-tx" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="org.springframework" name="spring-web" rev="4.0.6.RELEASE" conf="compile->master,sources,javadoc"/>
<dependency org="aopalliance" name="aopalliance" rev="1.0" conf="compile->master,sources,javadoc"/>
<!--Hibernate 4.3.5-->
<dependency org="org.hibernate" name="hibernate-core" rev="4.3.5.Final" conf="compile->master,compile,sources"/>
<dependency org="net.sf.ehcache" name="ehcache-core" rev="2.4.8" conf="compile->master,sources,javadoc"/>
<dependency org="org.slf4j" name="slf4j-api" rev="1.7.5" conf="compile->master,sources,javadoc"/>