Mybatis项目从Eclipse转入Idea无法启动问题 Mapped Statements collection does not contain value for

Mybatis-Maven项目转入IDEA

1.错误描述

Exception in thread "main" org.apache.ibatis.exceptions.PersistenceException: 

### Error querying database.  Cause: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for dao.UserMapper.findAll

### Cause: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for dao.UserMapper.findAll
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:150)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:136)
at demo.Demo1.main(Demo1.java:45)

Caused by: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for dao.UserMapper.findAll
at org.apache.ibatis.session.Configuration$StrictMap.get(Configuration.java:875)
at org.apache.ibatis.session.Configuration.getMappedStatement(Configuration.java:708)
at org.apache.ibatis.session.Configuration.getMappedStatement(Configuration.java:701)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
... 3 more

2.错误原因

把mybatis-maven项目从Eclipse转入IDEA时，无法启动，报出以上错误，是因为无法找到对应的mapper-xml文件，因此需要在pom.xml中引入。

3.解决问题

需要在pom.xml文件中获取对文件的引用位置。注意文件位置！！！

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