EntityManagerFactory 关闭

Question

我正在尝试自动装配 class 上的依赖项，该 class 不受 Spring 管理。为此，我使用以下

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，而服务又依赖于存储库（由 Spring 数据 JPA 管理）。

问题是：当我尝试执行 findOne 操作时，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.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)

当我尝试使用它时，entityManagerFactory 似乎已经关闭（或者可能从未打开过？）。

当我手动自动装配 class 时，您知道如何打开这个 EntityManagerFactory 吗？

Answer 1

正如 M. Deinum 所指出的，我正在创建一个新的 ApplicationContext 而不是获取现有的。

我将代码更新为如下所示

ApplicationContextProvider appContextProvider = new ApplicationContextProvider();
ApplicationContext applicationContext = appContextProvider.getApplicationContext();

AutowireCapableBeanFactory factory = applicationContext.getAutowireCapableBeanFactory();
factory.autowireBean(this);
factory.initializeBean(this, "logJaxSoapMessageHandler");

其中 ApplicationContextProvider 看起来像这样：

public class ApplicationContextProvider implements ApplicationContextAware {

    private static ApplicationContext context;

    public ApplicationContext getApplicationContext() {
        return context;
    }

    @Override
    public void setApplicationContext(ApplicationContext ac)
        throws BeansException {
        context = ac;
    }
}

这很好用，因为我得到了之前初始化的 EntityManagerFactory。

EntityManagerFactory 关闭

EntityManagerFactory is closed

java

spring

jpa

entitymanager

spring-data-jpa