Java EntityManagerFactory已关闭
我正在尝试自动关联不是由Spring管理的类上的依赖项。 为此,我使用以下方法Java EntityManagerFactory已关闭,java,spring,jpa,spring-data-jpa,entitymanager,Java,Spring,Jpa,Spring Data Jpa,Entitymanager,我正在尝试自动关联不是由Spring管理的类上的依赖项。 为此,我使用以下方法 try (ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("classpath*:applicationContext.xml")) { AutowireCapableBeanFactory factory = context.getAutowireCapableBeanFactory(); fac
try (ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("classpath*:applicationContext.xml")) {
AutowireCapableBeanFactory factory = context.getAutowireCapableBeanFactory();
factory.autowireBean(this);
factory.initializeBean(this, "logJaxSoapMessageHandler");
context.refresh();
}
此实例依赖于服务,而服务依赖于存储库(由SpringDataJPA管理)
问题是:当我尝试执行findOne
操作时,会出现此异常
Caused by: java.lang.IllegalStateException: EntityManagerFactory is closed
at org.hibernate.jpa.internal.EntityManagerFactoryImpl.validateNotClosed(EntityManagerFactoryImpl.java:388)
at org.hibernate.jpa.internal.EntityManagerFactoryImpl.getCriteriaBuilder(EntityManagerFactoryImpl.java:357)
at sun.reflect.GeneratedMethodAccessor166.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.invokeProxyMethod(AbstractEntityManagerFactoryBean.java:388)
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean$ManagedEntityManagerFactoryInvocationHandler.invoke(AbstractEntityManagerFactoryBean.java:541)
at com.sun.proxy.$Proxy26.getCriteriaBuilder(Unknown Source)
at sun.reflect.GeneratedMethodAccessor166.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:203)
at com.sun.proxy.$Proxy29.getCriteriaBuilder(Unknown Source)
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.getQuery(SimpleJpaRepository.java:523)
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.findOne(SimpleJpaRepository.java:373)
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:606)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:414)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:399)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:371)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136)
当我尝试使用时,entityManagerFactory
似乎已经关闭(或者可能从未打开?)
当我手动自动连接该类时,您有没有关于如何打开该EntityManagerFactory
的线索?正如所指出的,我正在创建一个新的应用程序上下文
,而不是获取现有的
我更新了代码,使其看起来像这样
ApplicationContextProvider appContextProvider = new ApplicationContextProvider();
ApplicationContext applicationContext = appContextProvider.getApplicationContext();
AutowireCapableBeanFactory factory = applicationContext.getAutowireCapableBeanFactory();
factory.autowireBean(this);
factory.initializeBean(this, "logJaxSoapMessageHandler");
其中ApplicationContextProvider
如下所示:
public class ApplicationContextProvider implements ApplicationContextAware {
private static ApplicationContext context;
public ApplicationContext getApplicationContext() {
return context;
}
@Override
public void setApplicationContext(ApplicationContext ac)
throws BeansException {
context = ac;
}
}
这很好,因为我得到了以前初始化的EntityManagerFactory
,正如所指出的,我是在创建一个新的ApplicationContext
,而不是现有的
我更新了代码,使其看起来像这样
ApplicationContextProvider appContextProvider = new ApplicationContextProvider();
ApplicationContext applicationContext = appContextProvider.getApplicationContext();
AutowireCapableBeanFactory factory = applicationContext.getAutowireCapableBeanFactory();
factory.autowireBean(this);
factory.initializeBean(this, "logJaxSoapMessageHandler");
其中ApplicationContextProvider
如下所示:
public class ApplicationContextProvider implements ApplicationContextAware {
private static ApplicationContext context;
public ApplicationContext getApplicationContext() {
return context;
}
@Override
public void setApplicationContext(ApplicationContext ac)
throws BeansException {
context = ac;
}
}
这很好,因为我得到了之前初始化的
EntityManagerFactory
您是否尝试了@Transaction是的,我的服务被注释为@Transactional请告诉我您在生产代码中没有使用它???这样的代码非常危险,应该避免。您基本上是在重新创建整个应用程序,从而导致奇怪的调试事务、内存和性能异常。你应该找到已经加载的ApplicationContext
并重新使用它,千万不要创建ApplicationContext
的新实例,因为,如上所述,这将再次重新创建你的整个应用程序;定位当前的ApplicationContext甚至可以使entityManagerFactory正常工作。谢谢。你试过@Transaction了吗?是的,我的服务被标注为@Transaction。请告诉我你在生产代码中没有使用这个吗???这样的代码非常危险,应该避免。您基本上是在重新创建整个应用程序,从而导致奇怪的调试事务、内存和性能异常。你应该找到已经加载的ApplicationContext
并重新使用它,千万不要创建ApplicationContext
的新实例,因为,如上所述,这将再次重新创建你的整个应用程序;定位当前的ApplicationContext甚至可以使entityManagerFactory正常工作。谢谢