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org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): me.tspace.pm.dao.UserDao.getUser

at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:178)

at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:38)

at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:49)

at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:42)

at $Proxy22.getUser(Unknown Source)

……………………

……………………

Caused by: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for me.tspace.pm.dao.UserDao.getUser

at org.apache.ibatis.session.Configuration$StrictMap.get(Configuration.java:775)

at org.apache.ibatis.session.Configuration.getMappedStatement(Configuration.java:615)

at org.apache.ibatis.session.Configuration.getMappedStatement(Configuration.java:608)

at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:176)

… 34 more

两种情况：

1.

<mapper namespace=”me.tspace.pm.dao.UserDao”>

mapper的namespace写的不对！！！注意系修改。

2.

UserDao的方法在UserDao.xml中没有，然后执行UserDao的方法会报此错。

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Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘org.mybatis.spring.mapper.MapperScannerConfigurer#0’ defined in class path resource [springMVC.xml]: Cannot resolve reference to bean ‘sqlSessionFactory’ while setting bean property ‘sqlSessionFactory’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource [springMVC.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatisConfig.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: java.lang.RuntimeException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for me.tspace.pm.dao.UserDao.getUser

mybatis的貌似mapper不允许重载…….

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### Cause: org.apache.ibatis.builder.BuilderException: Error creating document instance.  Cause: org.xml.sax.SAXParseException: The content of element type “configuration” must match “(properties?,settings?,typeAliases?,typeHandlers?,objectFactory?,objectWrapperFactory?,plugins?,environments?,databaseIdProvider?,mappers?)”.



at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:23)



at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:79)



at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:63)



at man.send.TestPushEmail.testMybatis(TestPushEmail.java:37)



at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

节点顺序需要按照提示放置！

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org.apache.ibatis.binding.BindingException: Type interface main.send.dao.SearchRecordDao is not known to the MapperRegistry.



at org.apache.ibatis.binding.MapperRegistry.getMapper(MapperRegistry.java:42)



at org.apache.ibatis.session.Configuration.getMapper(Configuration.java:639)



at org.apache.ibatis.session.defaults.DefaultSqlSession.getMapper(DefaultSqlSession.java:218)



at main.send.service.impl.SearchRecordServiceImpl.getRandomId(SearchRecordServiceImpl.java:17)



at man.send.TestPushEmail.SearchRecordService(TestPushEmail.java:109)



at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)



at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39

1. 
   
   <
   
   
   mapper
   
   
   
   
   namespace
   
   
   =
   
   
   “Mapper.UserMapper”
   
   
   >
   
   
   
   
2. 
   
   <!– 这里namespace必须是UserMapper接口的路径，不然要运行的时候要报错 “is not known to the MapperRegistry”–>