java - spring 練習(xí)遇到問(wèn)題？
問(wèn)題描述
log4j:WARN No appenders could be found for logger (org.springframework.context.support.ClassPathXmlApplicationContext).log4j:WARN Please initialize the log4j system properly.Exception in thread 'main' org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [autowire.xml]; nested exception is java.io.FileNotFoundException: class path resource [autowire.xml] cannot be opened because it does not exist
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:341)at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:212)at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:126)at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:92)at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:467)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:397)at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)at com.Spring.autowire.Main.main(Main.java:8)
Caused by: java.io.FileNotFoundException: class path resource [autowire.xml] cannot be opened because it does not exist
at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:158)at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:328)... 13 more
為什么xml文件存在，報(bào)錯(cuò)卻說(shuō)文件不存在啊
問(wèn)題解答
回答1：autowire.xml路徑不對(duì), 你要放到src下面, 和applicationContext.xml同目錄
回答2：找不到autowire.xml這個(gè)文件，如果你要放在包里面，路徑要從src開(kāi)始寫(xiě)，classpath:src/com/Spring/autowire/autowire.xml，要不然就放在src目錄下用classpath:autowire.xml
回答3：
類路徑下找不到autowire.xml文件，也就是位置放錯(cuò)了，和applicationContext.xml放一起就行
放在src里面，所有包的最外層。
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