lazy-initialization: true #默认false 关闭 开启了全局懒加载,想要过滤某个 bean,可以通过设置 @Lazy(false) 排除。 @Component @Lazy(false) public class MyBean { public MyBean() { System.out.println("My bean init success."); } } 还有一种是通过配置 LazyInitializationExcludeFilter 规则实现排除。
1. 第20行则是跟本次主题有关的,就是说在容器启动的时候只处理non-lazy-init bean,懒加载的bean在Spring启动阶段根本不做任何处理下面看下源码就明白了 点进去第20行的finishBeanFactoryInitialization(beanFactory)里头有个初始化non-lazy-init bean的函数 preInstantiateSingletons() 具体逻辑如下 1.对beanNames 集...
org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.horariolivre.entity.Usuario.autorizacoes, could not initialize proxy - no Session at org.hibernate.collection.internal.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:566...
Effective Java 71 Use lazy initialization judiciously Lazy initialization- It decreases the cost of initializing a class or creating an instance, at the expense of increasing the cost of accessing the lazily initialized field. Depending on what fraction of lazily initialized fields eventually require in...
lazy-initialization: true Or, if it’s the case, in ourapplication.propertiesfile: spring.main.lazy-initialization=true This configuration affects all the beans in the context. So, if we want to configure lazy initialization for a specific bean, we can do it through the@Lazyapproach. ...
2.2 Java 2.3 JavaScript 2.4 C++ 2.5 Smalltalk 2.6 Ruby 2.7 Python 2.8 PHP 3 See also 4 External links [edit]The "lazy factory" In a software design pattern view, lazy initialization is often used together with a factory method pattern. This combines three ideas: using a factory method to ...
spring.main.lazy-initialization=true Java - Initialise all classes inside a package as Beans, The documentation of the @ComponentScan annotation should give you some insight. One thing you will notice is the includeFilters argument. You can specify with this what to include. The default filters ...
org.hibernate.LazyInitializationException在经常使用hibernate或者jpa的同学中可能经常遇到,网络上一搜,解决问题的方式有很多种,这里罗列一下: 在spring boot的配置文件application.properties添加spring.jpa.open-in-view=true 用spring 的OpenSessionInViewFilter ...
问如何解决Spring中的LazyInitializationException？EN在 Spring 中，bean 往往不会独立存在，bean 的相互...
LazyInitializationException: could not initialize proxy 是Hibernate 框架中常见的异常,它表明在尝试访问一个未初始化的代理对象时出现了问题。以下是对该异常的分点分析和解决方案: 1. 理解异常含义 LazyInitializationException 指出你试图在 Hibernate Session 范围之外访问一个应该被延迟加载但尚未加载的对象。这通常发...