MyBatis之Error building SqlSession报错
错误描述：Error building SqlSession.
构建sqlSession错误
错误信息:
Unknown DataSource property: user
Unknown DataSource property: Driver
Unknown DataSource property: url
Unknown DataSource property: password
这是由于properties中name属性值必须是这四个，其他的不能识别，就会报unknown的错误，只要填写正确就好
完整异常信息
Exception in thread "main" org.apache.ibatis.exceptions.PersistenceException:
Error building SqlSession.
The error may exist in SQL Mapper Configuration
Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.datasource.DataSourceException: Unknown DataSource property: rootpassword
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:80)
at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:64)
at test.HelloMybatis.main(HelloMybatis.java:20)
Caused by: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.datasource.DataSourceException: Unknown DataSource property: rootpassword
at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:121)
at org.apache.ibatis.builder.xml.XMLConfigBuilder.parse(XMLConfigBuilder.java:99)
at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:78)
... 2 more
Caused by: org.apache.ibatis.datasource.DataSourceException: Unknown DataSource property: rootpassword
at org.apache.ibatis.datasource.unpooled.UnpooledDataSourceFactory.setProperties(UnpooledDataSourceFactory.java:55)
at org.apache.ibatis.builder.xml.XMLConfigBuilder.dataSourceElement(XMLConfigBuilder.java:326)
at org.apache.ibatis.builder.xml.XMLConfigBuilder.environmentsElement(XMLConfigBuilder.java:280)
at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:116)
... 4 more
总结
这个错误是和properties的name值有关，这里是四个不能更改的值，填写正确就可以了