异常 Mapped Statements collection does not contain value for如何解决

Question

<property name="mapperLocations" value="classpath*:com/tortuousroad/**/mapper/*.xml" />
这样配置出错

相应的文件都在

Answer 1

moocer 2017-10-18 17:59:03

什么错误？

• 提问者 car #1

  ### Error querying database.  Cause: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for com.tortuousroad.user.entity.UserMapper.selectByName
  ### Cause: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for com.tortuousroad.user.entity.UserMapper.selectByName
  	at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:23)
  	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:107)
  	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:98)
  	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:62)
  	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  	at java.lang.reflect.Method.invoke(Method.java:498)
  	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358)
  	... 37 more
  
  类似于这种错误
  我用这种 <property name="configLocation" value="Configuration.xml"/>就行

• moocer 回复 提问者 car #2

  com.tortuousroad.user.entity.UserMapper.selectByName，没有它对应的value，应该是这个key不存在吧