DefaultBeanDefinitionDocumentReader

最新推荐文章于 2022-06-26 15:45:52 发布
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本文探讨了DefaultBeanDefinitionDocumentReader的基本概念，它在Spring框架中扮演关键角色，负责解析和注册BeanDefinition。通过解析Ddocument，将内容转化为BeanDefinition实例，并将其添加至BeanDefinitionHolder进行保存。

DefaultBeanDefinitionDocumentReader

基本概念

BeanDefinitionDocumentReader ，该类的作用有两个，完成 BeanDefinition 的解析和注册 。

  • 解析：其实是解析 Ddocument 的内容并将其添加到 BeanDefinition 实例的过程。

  • 注册：就是将 BeanDefinition 添加进 BeanDefinitionHolder 的过程，这样做的目的是保存它的信息。

继承关系
源码分析

DefaultBeanDefinitionDocumentReader

七、Spring MVC 源码学习（DefaultBeanDefinitionDocumentReader）
qq2413273056的博客
09-12 441
一、类职责             解析dom中的import、alias元素，并委派（BeanDefinitionParserDelegate）处理beans、bean元素 二、主流程 ----------------------------------------------------------------------------------------------        ...
spring源码（十一）--DefaultBeanDefinitionDocumentReader（spring配置文件解析）
ljz2016的博客
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DefaultBeanDefinitionDocumentReader的类层次图： 接口中定义了一个方法，注册xml中的bean public interface BeanDefinitionDocumentReader { void registerBeanDefinitions(Document var1, XmlReaderContext var2) throws BeanDef...
解析Spring源码（7）--DefaultBeanDefinitionDocumentReader
qq_27104805的博客
08-21 584
//获取Document对象用于解析xml文档,包含xml文档的一些相关信息 Document doc = doLoadDocument(inputSource, resource); //注册bean，创建是当获取的时候创建getBean("...");会将xml文件中的bean节点注册保存 return registerBe
源码：DefaultBeanDefinitionDocumentReader 注册 Bean
ruanhao1203的专栏
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1、概述 DefaultBeanDefinitionDocumentReader的 doRegisterBeanDefinitions(Element root) 是真正解析 Spring配置文件的各种元素，转化成 BeanDefinition 的过程。 2、代码分析 DefaultBeanDefinitionDocumentReader 代码如下 package org.sprin...
Spring源码解读 ：Ioc容器实现DefaultBeanDefinitionDocumentReader篇（六）
jiayou3210的博客
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我们来看看DefaultBeanDefinitionDocumentReader怎么去了解这个妹子的。 @Override public void registerBeanDefinitions(Document doc, XmlReaderContext readerContext) { this.readerContext = readerContext; logger.debug
Spring AOP源码解析：从DefaultBeanDefinitionDocumentReader到AOP代理创建
在解析 XML 配置文件时，Spring 使用 `DefaultBeanDefinitionDocumentReader` 来读取 XML 文件，并生成对应的 Bean 定义。 2. 解析 `<aop:config>` 标签 在解析 `<aop:config>` 标签时，Spring 使用 `...
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'dataSource.type' in value "classpath:/config/insure/${dataSource.type}Context.xml" at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:180) at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:126) at org.springframework.core.env.AbstractPropertyResolver.doResolvePlaceholders(AbstractPropertyResolver.java:239) at org.springframework.core.env.AbstractPropertyResolver.resolveRequiredPlaceholders(AbstractPropertyResolver.java:210) at org.springframework.core.env.AbstractEnvironment.resolveRequiredPlaceholders(AbstractEnvironment.java:630) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:217) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseDefaultElement(DefaultBeanDefinitionDocumentReader.java:191) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:176) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:149) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:96) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:511) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:391) ... 22 common frames omitted Disconnected from the target VM, address: '127.0.0.1:57363', transport: 'socket'
最新发布
11-12
我们正在处理一个Spring框架中常见的配置问题：无法解析占位符的错误。 根据用户提供的引用信息，错误信息格式为：`java.lang.IllegalArgumentException: Could not resolve placeholder 'xxx' in value "${xxx}"`...
怎么解决这个报错 2025-10-09 16:22:25.728 [localhost-startStop-1] ERROR org.springframework.web.context.ContextLoader Context initialization failed org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from URL location [classpath:spring/spring-mybatis.xml] Offending resource: class path resource [spring-config.xml]; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: file [D:\STS\pivotal-tc-server-developer-3.1.3.SR1\base-instance\wtpwebapps\vepts_xb\WEB-INF\classes\com\anche\ajxm\webservice\HWriteDeal.class]; nested exception is java.lang.ArrayIndexOutOfBoundsException: 63498 at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:70) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:85) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:76) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:229) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseDefaultElement(DefaultBeanDefinitionDocumentReader.java:180) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:165) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:138) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:94) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:508) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:392) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:125) ~[spring-web-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:94) ~[spring-web-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:609) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:510) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444) ~[spring-web-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326) ~[spring-web-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) [spring-web-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4812) [catalina.jar:na] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5255) [catalina.jar:na] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [catalina.jar:na] at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725) [catalina.jar:na] at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701) [catalina.jar:na] at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717) [catalina.jar:na] at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:586) [catalina.jar:8.0.30.C] at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1777) [catalina.jar:8.0.30.C] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_101] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_101] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_101] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_101] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101] Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: file [D:\STS\pivotal-tc-server-developer-3.1.3.SR1\base-instance\wtpwebapps\vepts_xb\WEB-INF\classes\com\anche\ajxm\webservice\HWriteDeal.class]; nested exception is java.lang.ArrayIndexOutOfBoundsException: 63498 at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.findCandidateComponents(ClassPathScanningCandidateComponentProvider.java:303) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(ClassPathBeanDefinitionScanner.java:248) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.context.annotation.ComponentScanBeanDefinitionParser.parse(ComponentScanBeanDefinitionParser.java:87) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:74) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1411) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1401) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:168) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:138) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:94) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:508) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:392) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:223) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE] ... 32 common frames omitted Caused by: java.lang.ArrayIndexOutOfBoundsException: 63498 at org.springframework.asm.ClassReader.readCode(ClassReader.java:1355) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.asm.ClassReader.readMethod(ClassReader.java:1020) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.asm.ClassReader.accept(ClassReader.java:695) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.asm.ClassReader.accept(ClassReader.java:508) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.core.type.classreading.SimpleMetadataReader.<init>(SimpleMetadataReader.java:64) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:98) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.core.type.classreading.CachingMetadataReaderFactory.getMetadataReader(CachingMetadataReaderFactory.java:102) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE] at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.findCandidateComponents(ClassPathScanningCandidateComponentProvider.java:279) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE] ... 47 common frames omitted
10-10
我们正在解决Spring框架中的两个异常：BeanDefinitionParsingException和ArrayIndexOutOfBoundsException。 根据错误信息，BeanDefinitionParsingException是由于导入bean定义文件失败（具体文件：classpath:spring...
Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from class path resource [aspectj/config/applicationContext.xml]; nested exception is java.lang.NoClassDefFoundError: org/springframework/aop/TargetSource at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:417) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:338) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:224) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:195) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:257) at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:128) at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:94) at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130) at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:676) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:558) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:144) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:85) at aspectj.test.AspectjAOPTest.main(AspectjAOPTest.java:12) Caused by: java.lang.NoClassDefFoundError: org/springframework/aop/TargetSource at org.springframework.context.annotation.AnnotationConfigUtils.registerAnnotationConfigProcessors(AnnotationConfigUtils.java:157) at org.springframework.context.annotation.ComponentScanBeanDefinitionParser.registerComponents(ComponentScanBeanDefinitionParser.java:152) at org.springframework.context.annotation.ComponentScanBeanDefinitionParser.parse(ComponentScanBeanDefinitionParser.java:91) at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:74) at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1391) at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1371) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:179) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:149) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:96) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:511) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:391) ... 14 more Caused by: java.lang.ClassNotFoundException: org.springframework.aop.TargetSource at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:606) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:168) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) ... 25 more
05-22
### Spring NoClassDefFoundError org.springframework.aop.TargetSource 的解决方案 当遇到 `java.lang.NoClassDefFoundError: org/springframework/aop/TargetSource` 错误时，通常是因为项目的依赖项中缺失了...
Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [config/insure/webservicesClient.xml]; nested exception is java.io.FileNotFoundException: class path resource [config/insure/webservicesClient.xml] cannot be opened because it does not exist at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:344) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:224) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:234) ... 29 common frames omitted Caused by: java.io.FileNotFoundException: class path resource [config/insure/webservicesClient.xml] cannot be opened because it does not exist at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:180) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:330) ... 33 common frames omitted Disconnected from the target VM, address: '127.0.0.1:53422', transport: 'socket' Process finished with exit code 1
11-08
首先，用户的问题是关于解决Spring框架中的错误：`BeanDefinitionStoreException` 和 `FileNotFoundException`，具体是资源文件 `class path resource [config/insure/webservicesClient.xml]` 不存在。...
DefaultBeanDefinitionDocumentReader解读
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DefaultBeanDefinitionDocumentReader： //使用Spring的Bean规则解析Document元素节点 private void parseDefaultElement(Element ele, BeanDefinitionParserDelegate delegate) { //如果元素节点是<Import>导入元素，进行导入解析 ...
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文章目录前言承上启下进入源码：DefaultBeanDefinitionDocumentReader.parseDefaultElement(DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource( 前言 体能状态先于精神状态，习惯先于决心，聚焦先于喜好。 承上启下 在上一篇文章中Spring源码学习：reader.l...
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前言-阅读源码有利于陶冶情操，本文承接前文Spring源码情操陶冶-AbstractApplicationContext#obtainFreshBeanFactory 前文提到最关键的地方是解析bean xml配置文件，废话不多说，直接上代码清单 //正如官方注释所说，解析import标签、alias标签、bean标签和自定义的标签 protected void parseBeanDefini...
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DefaultBeanDefinitionDocumentReader： protected void doRegisterBeanDefinitions(Element root) { //任何嵌套的<beans>元素都会在这个方法中引起递归。 // 这种行为模拟了一堆委托，但实际上并不需要一个。 // 为了正确地传播和保留<beans>default...
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上一篇，我们知道Spring在解析xml文件之前，还需要对xml文件进行校验，校验的方式包括dtd、xsd两种方式。对xml文件的校验结束之后，我们可以通过DOM的API获取到xml的Document文档信息了。接下来我们继续分析Spring是如何解析xml文件的。回到之前的doLoadBeanDefinitions方法中： 我们通过doLoadDocument方法已经获取到了xml对应的Document对象，接着就开始解析Document文档了。 1、通过createBeanDefinitionDocu
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