Mybatis与MP的BUG集合

1. Error starting ApplicationContext. To display the conditions report re-run your application with ‘debug’ enabled.

2021-12-27 10:49:12.274 ERROR 17968 — [ main] o.s.b.d.LoggingFailureAnalysisReporter :
在测试当中，不能加@SpringbooTest注解

2. The error may exist in mybatis/mappers/UserMapper.xml Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: java.io.IOException: Could not find resource mybatis/mappers/UserMapper.xml

mybaits关联mapper映射文件异常
我的原因：Mybatis加载Mapper映射文件的路径写错了

3. Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is ‘mybatis/mybatis-config.xml’. Cause: java.lang.NullPointerException

at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:123)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:95)
at org.apache.ibatis.builder.xml.XMLConfigBuilder.mapperElement(XMLConfigBuilder.java:378)
at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:120)
... 67 more

问题：空指针异常，也是映射的路径写错了

4.resultType错误

5.namespace 命名错误

检查namespace 命名空间

6.mybaits关联mapper映射文件异常

说明: 检查resource路径