java.io.IOException: Could not find resource com/xxx/xxxMapper.xml

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java.io.IOException: Could not find resource com/xxx/xxxMapper.xml 报错内容: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSessjava.io.IOException: Could not find resource com/xxx/xxxMapper.xml 报错内容:

org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession. ### The error may exist in com/courage/mybatis/mapper/PersonMapper.xml ### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: java.io.IOException: Could not find resource com/courage/mybatis/mapper/PersonMapper.xml at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:52) at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:36) ...... Caused by: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: java.io.IOException: Could not find resource

报错页面:

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报错原因:IDEA是不会编译src的java目录的xml文件，所以在Mybatis的配置文件中找不到xml文件！需要人工配置
解决方案一:将xxxMapper.xml放到Maven构建的resource目录下面。
解决方案二:在Maven的pom文件的结尾，添加下面代码,意思是编译配置文件包括src/main/java目录：

< build> < resources> < resource> < directory> src/main/java< /directory> < includes> < include> **/*.xml< /include> < /includes> < /resource> < /resources> < /build>

总之,就是要让idea编译到mapper文件!
成功:【java.io.IOException: Could not find resource com/xxx/xxxMapper.xml】