java.io.FileNotFoundException: class path resource [XXXXX.xml] cannot be opened

java.io.FileNotFoundException: class path resource [beans.xml] cannot be opened because it does not exit.

在用maven管理的spring项目中做单元测试时候，加载不了spring的配置文件。出现该问题的原因是，用maven创建的项目，必须把spring的配置文件beans.xml或者applicationContext.xml放到系统根目录下，做单元测试时候用

ApplicationContext applicationContext=new ClassPathXmlApplicationContext("beans.xml");
		Girl girl=(Girl)applicationContext.getBean("girl");

才能正确加载spring的配置文件，才能正确获取bean。不知道这个定律在其他电脑的环境下是否适合，撸主在两台计算机上都是通过这种方式配好的。

maven项目的系统根目录默认是src/main/java和src/main/resources，而不是src，所以beans.xml文件必须放到src/main/java和src/main/resources下面的文件夹或者包中，否则就会报上面的错误：java.io.FileNotFoundException:
class path resource [beans.xml] cannot be opened because it does not exit.

还有一点，要注意的是，如果beans.xml不是直接放到了src/main/java和src/main/resources路径下，在读取beans文件时候，还要加上路径，如beans.xml放在了src/main/java/conf路径下，那么加载时候要这样写：

ApplicationContext applicationContext=new ClassPathXmlApplicationContext("conf/beans.xml");

否则就会报错：java.io.FileNotFoundException:
class path resource [beans.xml] cannot be opened because it does not exit.

而下面这种写法，是把beans.xml直接放到了src/main/java和src/main/resources路径下

ApplicationContext applicationContext=new ClassPathXmlApplicationContext("beans.xml");

java.io.FileNotFoundException: class path resource [XXXXX.xml] cannot be opened

时间： 2024-10-24 07:03:36

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