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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 - Fatal编程技术网

Java 如何使用Spring4.0.6全局设置Hibernate4.3.5.Final的刷新模式?

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

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 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
3:

所有Springbean都需要在Web应用程序上下文(Web.xml)中注册:


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"/>